Reflection transformation solver in Cartesian 2D geometry. More...

#include <solvers/optical/modal/fourier/solver2d.hpp>

Inheritance diagram for plask::optical::modal::FourierSolver2D:

Collaboration diagram for plask::optical::modal::FourierSolver2D:

Classes
struct	Mode
	Mode parameters. More...

Public Types
enum	What { WHAT_WAVELENGTH , WHAT_K0 , WHAT_NEFF , WHAT_KTRAN , WHAT_BETA }
	Indication of parameter to search. More...

enum	FourierType { FOURIER_DISCRETE , FOURIER_ANALYTIC }
	Possible ways of computation of Fourier coefficients. More...

typedef ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >	BaseType

Public Types inherited from plask::SolverWithMesh< Geometry2DCartesian, MeshAxis >
typedef MeshAxis	MeshType
	Type of the mesh for this solver.

Public Types inherited from plask::SolverOver< SpaceT >
typedef SpaceT	SpaceType
	of the space for this solver

Public Types inherited from plask::optical::modal::ModalBase
enum	Emission { EMISSION_UNSPECIFIED = 0 , EMISSION_TOP , EMISSION_BOTTOM , EMISSION_FRONT , EMISSION_BACK }
	Directions of the possible emission. More...

Public Member Functions
std::string	getClassName () const override
	Get name of solver.

void	clearModes () override
	Clear computed modes.

bool	setExpansionDefaults (bool with_k0=true) override
	Set expansion parameters from default values.

	FourierSolver2D (const std::string &name="")

void	loadConfiguration (XMLReader &reader, Manager &manager) override
	Load configuration from given `source`.

void	setSimpleMesh ()
	Set the simple mesh based on the geometry bounding boxes.

size_t	findMode (FourierSolver2D::What what, dcomplex start)
	Find the mode around the specified effective index.

size_t	getSize () const
	Get order of the orthogonal base.

void	setSize (size_t n)
	Set order of the orthogonal base.

int	getDCT () const
	Get type of the DCT.

void	setDCT (int n)
	Set type of the DCT.

bool	dct2 () const
	True if DCT == 2.

FourierType	getFourierType () const
	Get type of the DCT.

void	setFourierType (FourierType ft)
	Set type of the DCT.

dcomplex	getKtran () const
	Get transverse wavevector.

void	setKtran (dcomplex k)
	Set transverse wavevector.

void	setBeta (dcomplex k)
	Set longitudinal wavevector.

dcomplex	getBeta () const
	Get longitudinal wavevector.

Expansion::Component	getSymmetry () const
	Return current mode symmetry.

void	setSymmetry (Expansion::Component sym)
	Set new mode symmetry.

Expansion::Component	getPolarization () const
	Return current mode polarization.

void	setPolarization (Expansion::Component pol)
	Set new mode polarization.

bool	symmetric () const
	Get info if the expansion is symmetric.

bool	separated () const
	Get info if the expansion is separated.

Expansion &	getExpansion () override
	Get solver expansion.

cvector	incidentVector (Transfer::IncidentDirection side, Expansion::Component polarization, dcomplex lam=NAN)
	Get incident field vector for given polarization.

cvector	incidentGaussian (Transfer::IncidentDirection side, Expansion::Component polarization, double sigma, double center=0., dcomplex lam=NAN)
	Compute incident vector with Gaussian profile.

LazyData< Vec< 3, dcomplex > >	getScatteredFieldE (const cvector &incident, Transfer::IncidentDirection side, shared_ptr< const MeshD< 2 > > dst_mesh, InterpolationMethod method, PropagationDirection part=PROPAGATION_TOTAL)
	Get electric field at the given mesh for reflected light.

LazyData< Vec< 3, dcomplex > >	getScatteredFieldH (const cvector &incident, Transfer::IncidentDirection side, shared_ptr< const MeshD< 2 > > dst_mesh, InterpolationMethod method, PropagationDirection part=PROPAGATION_TOTAL)
	Get magnetic field at the given mesh for reflected light.

LazyData< double >	getScatteredFieldMagnitude (const cvector &incident, Transfer::IncidentDirection side, shared_ptr< const MeshD< 2 > > dst_mesh, InterpolationMethod method)
	Get light intensity for reflected light.

cvector	getFieldVectorE (size_t num, double z)
	Compute electric field coefficients for given z.

cvector	getFieldVectorH (size_t num, double z)
	Compute magnetic field coefficients for given z.

double	getIntegralEE (size_t num, double z1, double z2)
	Get ½ E·conj(E) integral between z1 and z2.

double	getIntegralHH (size_t num, double z1, double z2)
	Get ½ H·conj(H) integral between z1 and z2.

cvector	getScatteredFieldVectorE (const cvector &incident, Transfer::IncidentDirection side, double z)
	Compute electric field coefficients for given z for reflected light.

cvector	getScatteredFieldVectorH (const cvector &incident, Transfer::IncidentDirection side, double z)
	Compute magnetic field coefficients for given z for reflected light.

double	getScatteredIntegralEE (const cvector &incident, Transfer::IncidentDirection side, double z1, double z2)
	Get ½ E·conj(E) integral between z1 and z2 for reflected light.

double	getScatteredIntegralHH (const cvector &incident, Transfer::IncidentDirection side, double z1, double z2)
	Get ½ H·conj(H) integral between z1 and z2.

size_t	setMode ()
	Check if the current parameters correspond to some mode and insert it.

Public Member Functions inherited from plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >
	ModalSolver (const std::string &name="")

	~ModalSolver ()

double	getSmooth () const
	Get current smooth.

void	setSmooth (double value)
	Set current smooth.

Transfer::Method	getTransferMethod () const
	Get currently selected transfer method.

void	setTransferMethod (Transfer::Method method)
	Set new transfer method.

bool	getGroupLayers () const
	Getter for group_layers.

void	setGroupLayers (bool value)
	Setter for group_layers.

double	getMaxTempDiff () const
	Getter for max_temp_diff.

void	setMaxTempDiff (double value)
	Setter for max_temp_diff.

double	getTempDist () const
	Getter for temp_dist.

void	setTempDist (double value)
	Setter for temp_dist.

double	getTempLayer () const
	Getter for temp_dist.

void	setTempLayer (double value)
	Setter for temp_dist.

std::string	getId () const override
	Get solver id.

bool	initCalculation () override
	Init calculations.

size_t	getInterface ()
	Get the position of the matching interface.

void	setInterfaceAt (double pos)
	Set the position of the matching interface.

void	setInterfaceOn (const shared_ptr< const GeometryObject > &object, const PathHints *path=nullptr)
	Set the position of the matching interface at the bottom of the provided geometry object.

void	setInterfaceOn (const shared_ptr< const GeometryObject > &object, const PathHints &path)
	Set the position of the matching interface at the bottom of the provided geometry object.

dcomplex	getDeterminant ()
	Get discontinuity matrix determinant for the current parameters.

void	prepareExpansionIntegrals (Expansion *expansion, const shared_ptr< MeshD< BaseT::SpaceType::DIM > > &mesh, dcomplex lam, dcomplex glam)

cvector	incidentVector (Transfer::IncidentDirection side, size_t idx, dcomplex lam=NAN)
	Get incident field vector for given mode.

cvector	incidentVector (Transfer::IncidentDirection side, const cvector &incident, dcomplex lam=NAN)
	Get incident field vector for given polarization.

Public Member Functions inherited from plask::SolverWithMesh< Geometry2DCartesian, MeshAxis >
	SolverWithMesh (const std::string &name="")

	~SolverWithMesh ()

void	loadConfiguration (XMLReader &source, Manager &manager) override
	Load configuration from given `source`.

void	parseStandardConfiguration (XMLReader &source, Manager &manager, const std::string &expected_msg="solver configuration element")

virtual void	onMeshChange (const typename MeshT::Event &PLASK_UNUSED(evt))
	This method is called just after the mesh has been changed.

void	onGeometryChange (const Geometry::Event &PLASK_UNUSED(evt)) override
	This method is called when the geometry is changed.

MeshAxis &	meshRef () const
	Get current module mesh.

shared_ptr< MeshAxis >	getMesh () const
	Get current solver mesh.

void	setMesh (const shared_ptr< MeshAxis > &mesh)
	Set new mesh for the solver.

void	setMesh (shared_ptr< MeshGeneratorD< MeshT::DIM > > generator)
	Set new mesh got from generator.

Public Member Functions inherited from plask::SolverOver< SpaceT >
	SolverOver (const std::string &name="")

	~SolverOver ()

void	parseStandardConfiguration (XMLReader &source, Manager &manager, const std::string &expected_msg="solver configuration element")

shared_ptr< SpaceT >	getGeometry () const
	Get current solver geometry space.

void	setGeometry (const shared_ptr< SpaceT > &geometry)
	Set new geometry for the solver.

Public Member Functions inherited from plask::Solver
bool	initCalculation ()
	This should be called on beginning of each calculation method to ensure that solver will be initialized.

	Solver (const std::string &name="")
	Construct uninitialized solver.

virtual	~Solver ()
	Virtual destructor (for subclassing). Do nothing.

void	parseStandardConfiguration (XMLReader &source, Manager &manager, const std::string &expected_msg="solver configuration element")
	Load standard configuration (geometry, mesh) tags from `source`.

bool	isInitialized ()
	Check if solver is already initialized.

void	invalidate ()
	This method should be and is called if something important was changed: calculation space, mesh, etc.

std::string	getId () const
	Get solver id.

std::string	getName () const

virtual std::string	getClassDescription () const
	Get a description of this solver.

template<typename ArgT = double, typename ValT = double>
DataLog< ArgT, ValT >	dataLog (const std::string &chart_name, const std::string &axis_arg_name, const std::string &axis_val_name)

template<typename ArgT = double, typename ValT = double>
DataLog< ArgT, ValT >	dataLog (const std::string &axis_arg_name, const std::string &axis_val_name)

template<typename ... Args>
void	writelog (LogLevel level, std::string msg, Args &&... params) const
	Log a message for this solver.

Public Member Functions inherited from plask::optical::modal::ModalBase
void	initTransfer (Expansion &expansion, bool reflection)
	Initialize transfer class.

	ModalBase ()

virtual	~ModalBase ()

double	getLam0 () const
	Get lam0.

void	setLam0 (double lam)
	Set lam0.

void	clearLam0 ()
	Clear lam0.

dcomplex	getK0 () const
	Get current k0.

void	setK0 (dcomplex k)
	Set current k0.

dcomplex	getLam () const
	Get current wavelength.

void	setLam (dcomplex lambda)
	Set current wavelength.

void	clearFields ()
	Reset determined fields.

size_t	getLayerFor (double &h) const
	Get layer number for vertical coordinate.

const std::vector< std::size_t > &	getStack () const
	Get stack.

void	ensureInterface ()
	Throw exception if the interface position is unsuitable for eigenmode computations.

dvector	getIncidentFluxes (const cvector &incident, Transfer::IncidentDirection side)
	Get amplitudes of incident diffraction orders.

dvector	getReflectedFluxes (const cvector &incident, Transfer::IncidentDirection side)
	Get amplitudes of reflected diffraction orders.

dvector	getTransmittedFluxes (const cvector &incident, Transfer::IncidentDirection side)
	Get amplitudes of transmitted diffraction orders.

cvector	getReflectedCoefficients (const cvector &incident, Transfer::IncidentDirection side)
	Get coefficients of reflected diffraction orders.

cvector	getTransmittedCoefficients (const cvector &incident, Transfer::IncidentDirection side)
	Get coefficients of transmitted diffraction orders.

double	getReflection (const cvector &incident, Transfer::IncidentDirection side)
	Get reflection coefficient.

double	getTransmission (const cvector &incident, Transfer::IncidentDirection side)
	Get reflection coefficient.

void	getMatrices (size_t layer, cmatrix &RE, cmatrix &RH)

Public Attributes
ExpansionPW2D	expansion
	Class responsible for computing expansion coefficients.

std::vector< Mode >	modes
	Computed modes.

size_t	refine
	Mesh multiplier for finer computation of the refractive indices.

PML	pml
	Lateral PMLs.

plask::optional< std::pair< double, double > >	mirrors
	Mirror reflectivities.

ProviderFor< ModeEffectiveIndex >::Delegate	outNeff
	Provider for computed effective index.

Public Attributes inherited from plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >
ReceiverFor< Temperature, typename BaseT::SpaceType >	inTemperature
	Receiver for the temperature.

ReceiverFor< Gain, typename BaseT::SpaceType >	inGain
	Receiver for the gain.

ReceiverFor< Epsilon, typename BaseT::SpaceType >	inEpsilon
	Receiver for the dynamic epsilon.

ReceiverFor< CarriersConcentration, typename BaseT::SpaceType >	inCarriersConcentration
	Receiver for carriers concentration.

ProviderFor< Epsilon, typenameBaseT::SpaceType >::Delegate	outEpsilon
	Provider of the permittivity tensor.

ProviderFor< RefractiveIndex, typenameBaseT::SpaceType >::Delegate	outRefractiveIndex
	Provider of the refractive index.

ProviderFor< ModeWavelength >::Delegate	outWavelength
	Provider for computed resonant wavelength.

ProviderFor< ModeLightMagnitude, typenameBaseT::SpaceType >::Delegate	outLightMagnitude
	Provider of the optical field intensity.

ProviderFor< ModeLightE, typenameBaseT::SpaceType >::Delegate	outLightE
	Provider of the optical electric field.

ProviderFor< ModeLightH, typenameBaseT::SpaceType >::Delegate	outLightH
	Provider of the optical magnetic field.

ProviderFor< ModeLightE, typenameBaseT::SpaceType >::Delegate	outUpwardsLightE
	Provider of the optical electric field propagating upwards.

ProviderFor< ModeLightH, typenameBaseT::SpaceType >::Delegate	outUpwardsLightH
	Provider of the optical magnetic field propagating upwards.

ProviderFor< ModeLightE, typenameBaseT::SpaceType >::Delegate	outDownwardsLightE
	Provider of the optical electric field propagating downwards.

ProviderFor< ModeLightH, typenameBaseT::SpaceType >::Delegate	outDownwardsLightH
	Provider of the optical magnetic field propagating downwards.

Public Attributes inherited from plask::optical::modal::ModalBase
Emission	emission
	Direction of the light emission for fields normalization.

Transfer::Determinant	determinant_type
	Method of computing determinant in zero search.

std::unique_ptr< Transfer >	transfer
	Transfer method object (AdmittanceTransfer or ReflectionTransfer)

shared_ptr< OrderedAxis >	vbounds
	Layer boundaries.

shared_ptr< OrderedAxis >	verts
	Centers of layers.

size_t	lcount
	Number of distinct layers.

std::vector< bool >	lgained
	Information if the layer has gain.

std::vector< bool >	lcomputed
	Information if the layer has data from inEpsilon.

std::vector< std::size_t >	stack
	Organization of layers in the stack.

std::ptrdiff_t	interface
	Index of the matching interface.

double	interface_position
	Approximate position of the matching interface.

double	lam0
	Reference wavelength used for getting material parameters (nm)

dcomplex	k0
	Normalized frequency (1/µm)

PML	vpml
	Parameters for vertical PMLs (if used)

RootDigger::Params	root
	Parameters for main rootdigger.

bool	recompute_integrals
	Force re-computation of material coefficients/integrals.

bool	recompute_gain_integrals
	Force re-computation of material coefficients/integrals in layers with gain.

bool	always_recompute_gain
	Always compute material coefficients/integrals for gained layers for current wavelength.

Protected Member Functions
void	onInitialize () override
	Initialize the solver.

void	onInvalidate () override
	This method is called by invalidate() to reset stored values.

void	computeIntegrals () override
	Recompute integrals used in RE and RH matrices.

size_t	insertMode ()
	Insert mode to the list or return the index of the exiting one.

size_t	nummodes () const override
	Return number of determined modes.

double	applyMode (size_t n) override
	Apply mode number n.

dcomplex	getEffectiveIndex (size_t n)
	Return mode effective index.

double	getMirrorLosses (double n)
	Compute mirror losses for specified effective mode.

void	applyMode (const Mode &mode)

double	getWavelength (size_t n) override
	Return mode wavelength.

Protected Member Functions inherited from plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >
void	onInitialize () override

void	onGeometryChange (const Geometry::Event &evt) override

void	parseCommonModalConfiguration (XMLReader &reader, Manager &manager)
	Parse common configuration from XML file.

void	setupLayers ()
	Compute layer boundaries and detect layer sets.

size_t	initIncidence (Transfer::IncidentDirection side, dcomplex lam=NAN)

void	scaleIncidentVector (cvector &incident, size_t layer)
	Scale the incident field vector with scale specific to the solver.

void	scaleIncidentVector (cvector &incident, size_t layer)

void	scaleIncidentVector (cvector &incident, size_t layer)

void	scaleIncidentVector (cvector &incident, size_t layer)

DataVector< const Tensor3< dcomplex > >	getEpsilonProfile (const shared_ptr< const MeshD< BaseT::SpaceType::DIM > > &dst_mesh, dcomplex lam, InterpolationMethod interp=INTERPOLATION_DEFAULT)
	Get permittivity tensor after expansion.

LazyData< dcomplex >	getRefractiveIndex (RefractiveIndex::EnumType component, const shared_ptr< const MeshD< BaseT::SpaceType::DIM > > &dst_mesh, dcomplex lam, InterpolationMethod interp=INTERPOLATION_DEFAULT)
	Get refractive index after expansion.

LazyData< Vec< 3, dcomplex > >	getLightE (size_t num, shared_ptr< const MeshD< BaseT::SpaceType::DIM > > dst_mesh, InterpolationMethod method)
	Compute electric field.

LazyData< Vec< 3, dcomplex > >	getLightH (size_t num, shared_ptr< const MeshD< BaseT::SpaceType::DIM > > dst_mesh, InterpolationMethod method)
	Compute magnetic field.

LazyData< double >	getLightMagnitude (size_t num, shared_ptr< const MeshD< BaseT::SpaceType::DIM > > dst_mesh, InterpolationMethod method)
	Compute normalized electric field intensity 1/2 E conj(E) / P.

Protected Member Functions inherited from plask::SolverOver< SpaceT >
template<typename Boundary , typename ConditionT >
void	readBoundaryConditions (Manager &manager, XMLReader &reader, BoundaryConditions< Boundary, ConditionT > &dest)
	Read boundary conditions using information about the geometry of this solver.

Protected Member Functions inherited from plask::optical::modal::ModalBase
std::unique_ptr< RootDigger >	getRootDigger (const RootDigger::function_type &func, const char *name)
	Create and return rootdigger of a desired type.

void	readRootDiggerConfig (XMLReader &reader)
	Read root digger configuration.

void	scaleIncidentVector (cvector &incident, size_t layer, double size_factor)
	Scale the incident field vector.

Protected Attributes
dcomplex	beta
	Longitudinal wavevector (1/µm)

dcomplex	ktran
	Transverse wavevector (1/µm)

Expansion::Component	symmetry
	Indicates symmetry if `symmetric`

Expansion::Component	polarization
	Indicates polarization if `separated`

size_t	size
	Maximum order of the orthogonal base.

int	dct
	Type of discrete cosine transform. Can be only 1 or two.

FourierType	ftt
	Way of computation of Fourier coefficients.

Protected Attributes inherited from plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >
double	smooth
	Smoothing coefficient.

Protected Attributes inherited from plask::SolverWithMesh< Geometry2DCartesian, MeshAxis >
shared_ptr< MeshAxis >	mesh
	Mesh over which the calculations are performed.

boost::signals2::connection	mesh_signal_connection
	Connection of mesh to onMeshChange method, see http://www.boost.org/doc/libs/1_55_0/doc/html/signals2/tutorial.html#idp204830936.

Protected Attributes inherited from plask::SolverOver< SpaceT >
shared_ptr< SpaceT >	geometry
	Space in which the calculations are performed.

Protected Attributes inherited from plask::Solver
bool	initialized
	`true` only if solver is initialized

Protected Attributes inherited from plask::optical::modal::ModalBase
Transfer::Method	transfer_method
	Selected transfer method.

bool	group_layers
	Can layers be automatically grouped.

double	max_temp_diff
	Maximum temperature difference for grouped layers (NAN means ignore temperature)

double	temp_dist
	Approxximate lateral distance between points for temperature investigation.

double	temp_layer
	Minimum layer thickness for the purpose of temperature-based layers division.

Friends
struct	ExpansionPW2D

Detailed Description

Reflection transformation solver in Cartesian 2D geometry.

Definition at line 27 of file solver2d.hpp.

Member Typedef Documentation

◆ BaseType

typedef ModalSolver<SolverWithMesh<Geometry2DCartesian,MeshAxis> > plask::optical::modal::FourierSolver2D::BaseType

Definition at line 29 of file solver2d.hpp.

Member Enumeration Documentation

◆ FourierType

enum plask::optical::modal::FourierSolver2D::FourierType

Possible ways of computation of Fourier coefficients.

Enumerator
FOURIER_DISCRETE
FOURIER_ANALYTIC

Definition at line 95 of file solver2d.hpp.

◆ What

enum plask::optical::modal::FourierSolver2D::What

Indication of parameter to search.

Enumerator
WHAT_WAVELENGTH	Search for wavelength.
WHAT_K0	Search for normalized frequency.
WHAT_NEFF	Search for longitudinal effective index.
WHAT_KTRAN	Search for transverse wavevector.
WHAT_BETA	Search for longitudinal wavevector.

Definition at line 36 of file solver2d.hpp.

Constructor & Destructor Documentation

◆ FourierSolver2D()

plask::optical::modal::FourierSolver2D::FourierSolver2D ( const std::string & name = "" )

Definition at line 20 of file solver2d.cpp.

Member Function Documentation

◆ applyMode() [1/2]

void plask::optical::modal::FourierSolver2D::applyMode ( const Mode & mode )

inlineprotected

Definition at line 537 of file solver2d.hpp.

◆ applyMode() [2/2]

double plask::optical::modal::FourierSolver2D::applyMode ( size_t n )

inlineoverrideprotectedvirtual

Apply mode number n.

Returns: Mode power

Implements plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >.

Definition at line 505 of file solver2d.hpp.

◆ clearModes()

void plask::optical::modal::FourierSolver2D::clearModes ( )

inlineoverridevirtual

Clear computed modes.

Implements plask::optical::modal::ModalBase.

Definition at line 133 of file solver2d.hpp.

◆ computeIntegrals()

void plask::optical::modal::FourierSolver2D::computeIntegrals ( )

inlineoverrideprotectedvirtual

Recompute integrals used in RE and RH matrices.

Implements plask::optical::modal::ModalBase.

Definition at line 115 of file solver2d.hpp.

◆ dct2()

bool plask::optical::modal::FourierSolver2D::dct2 ( ) const

inline

True if DCT == 2.

Definition at line 203 of file solver2d.hpp.

◆ findMode()

size_t plask::optical::modal::FourierSolver2D::findMode	(	FourierSolver2D::What	what,
		dcomplex	start
	)

Find the mode around the specified effective index.

This method remembers the determined mode, for retrieval of the field profiles.

Parameters

what	what to search for
start	initial value of what to search the mode around

Returns: determined effective index

Definition at line 159 of file solver2d.cpp.

◆ getBeta()

dcomplex plask::optical::modal::FourierSolver2D::getBeta ( ) const

inline

Get longitudinal wavevector.

Definition at line 242 of file solver2d.hpp.

◆ getClassName()

std::string plask::optical::modal::FourierSolver2D::getClassName ( ) const

inlineoverridevirtual

Get name of solver.

Returns: name of this solver

Implements plask::Solver.

Definition at line 33 of file solver2d.hpp.

◆ getDCT()

int plask::optical::modal::FourierSolver2D::getDCT ( ) const

inline

Get type of the DCT.

Definition at line 192 of file solver2d.hpp.

◆ getEffectiveIndex()

dcomplex plask::optical::modal::FourierSolver2D::getEffectiveIndex ( size_t n )

inlineprotected

Return mode effective index.

Parameters

n	mode number

Definition at line 515 of file solver2d.hpp.

◆ getExpansion()

Expansion & plask::optical::modal::FourierSolver2D::getExpansion ( )

inlineoverridevirtual

Get solver expansion.

Implements plask::optical::modal::ModalBase.

Definition at line 282 of file solver2d.hpp.

◆ getFieldVectorE()

cvector plask::optical::modal::FourierSolver2D::getFieldVectorE	(	size_t	num,
		double	z
	)

inline

Compute electric field coefficients for given z.

Parameters

num	mode number
z	position within the layer

Returns: electric field coefficients

Definition at line 382 of file solver2d.hpp.

◆ getFieldVectorH()

cvector plask::optical::modal::FourierSolver2D::getFieldVectorH	(	size_t	num,
		double	z
	)

inline

Compute magnetic field coefficients for given z.

Parameters

num	mode number
z	position within the layer

Returns: magnetic field coefficients

Definition at line 393 of file solver2d.hpp.

◆ getFourierType()

FourierType plask::optical::modal::FourierSolver2D::getFourierType ( ) const

inline

Get type of the DCT.

Definition at line 207 of file solver2d.hpp.

◆ getIntegralEE()

double plask::optical::modal::FourierSolver2D::getIntegralEE	(	size_t	num,
		double	z1,
		double	z2
	)

inline

Get ½ E·conj(E) integral between z1 and z2.

Parameters

num	mode number
z1	lower integration bound
z2	upper integration bound

Returns: computed integral

Definition at line 405 of file solver2d.hpp.

◆ getIntegralHH()

double plask::optical::modal::FourierSolver2D::getIntegralHH	(	size_t	num,
		double	z1,
		double	z2
	)

inline

Get ½ H·conj(H) integral between z1 and z2.

Parameters

num	mode number
z1	lower integration bound
z2	upper integration bound

Returns: computed integral

Definition at line 417 of file solver2d.hpp.

◆ getKtran()

dcomplex plask::optical::modal::FourierSolver2D::getKtran ( ) const

inline

Get transverse wavevector.

Definition at line 217 of file solver2d.hpp.

◆ getMirrorLosses()

double plask::optical::modal::FourierSolver2D::getMirrorLosses ( double n )

inlineprotected

Compute mirror losses for specified effective mode.

Definition at line 521 of file solver2d.hpp.

◆ getPolarization()

Expansion::Component plask::optical::modal::FourierSolver2D::getPolarization ( ) const

inline

Return current mode polarization.

Definition at line 262 of file solver2d.hpp.

◆ getScatteredFieldE()

LazyData< Vec< 3, dcomplex > > plask::optical::modal::FourierSolver2D::getScatteredFieldE	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		shared_ptr< const MeshD< 2 > >	dst_mesh,
		InterpolationMethod	method,
		PropagationDirection	part = `PROPAGATION_TOTAL`
	)

inline

Get electric field at the given mesh for reflected light.

Parameters

incident	incident field vector
side	incidence direction
dst_mesh	target mesh
method	interpolation method
part	part of the field (forward-, backward-propagating, or total) that is wanted

Definition at line 323 of file solver2d.hpp.

◆ getScatteredFieldH()

LazyData< Vec< 3, dcomplex > > plask::optical::modal::FourierSolver2D::getScatteredFieldH	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		shared_ptr< const MeshD< 2 > >	dst_mesh,
		InterpolationMethod	method,
		PropagationDirection	part = `PROPAGATION_TOTAL`
	)

inline

Get magnetic field at the given mesh for reflected light.

Parameters

incident	incident field vector
side	incidence direction
dst_mesh	target mesh
method	interpolation method
part	part of the field (forward-, backward-propagating, or total) that is wanted

Definition at line 344 of file solver2d.hpp.

◆ getScatteredFieldMagnitude()

LazyData< double > plask::optical::modal::FourierSolver2D::getScatteredFieldMagnitude	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		shared_ptr< const MeshD< 2 > >	dst_mesh,
		InterpolationMethod	method
	)

inline

Get light intensity for reflected light.

Parameters

incident	incident field vector
side	incidence direction
dst_mesh	destination mesh
method	interpolation method

Definition at line 364 of file solver2d.hpp.

◆ getScatteredFieldVectorE()

cvector plask::optical::modal::FourierSolver2D::getScatteredFieldVectorE	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		double	z
	)

inline

Compute electric field coefficients for given z for reflected light.

Parameters

incident	incident field vector
side	incidence side
z	position within the layer

Returns: electric field coefficients

Definition at line 429 of file solver2d.hpp.

◆ getScatteredFieldVectorH()

cvector plask::optical::modal::FourierSolver2D::getScatteredFieldVectorH	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		double	z
	)

inline

Compute magnetic field coefficients for given z for reflected light.

Parameters

incident	incident field vector
side	incidence side
z	position within the layer

Returns: magnetic field coefficients

Definition at line 442 of file solver2d.hpp.

◆ getScatteredIntegralEE()

double plask::optical::modal::FourierSolver2D::getScatteredIntegralEE	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		double	z1,
		double	z2
	)

inline

Get ½ E·conj(E) integral between z1 and z2 for reflected light.

Parameters

incident	incident field vector
side	incidence side
z1	lower integration bound
z2	upper integration bound

Returns: computed integral

Definition at line 456 of file solver2d.hpp.

◆ getScatteredIntegralHH()

double plask::optical::modal::FourierSolver2D::getScatteredIntegralHH	(	const cvector &	incident,
		Transfer::IncidentDirection	side,
		double	z1,
		double	z2
	)

inline

Get ½ H·conj(H) integral between z1 and z2.

Parameters

incident	incident field vector
side	incidence side
z1	lower integration bound
z2	upper integration bound

Returns: computed integral

Definition at line 470 of file solver2d.hpp.

◆ getSize()

size_t plask::optical::modal::FourierSolver2D::getSize ( ) const

inline

Get order of the orthogonal base.

Definition at line 184 of file solver2d.hpp.

◆ getSymmetry()

Expansion::Component plask::optical::modal::FourierSolver2D::getSymmetry ( ) const

inline

Return current mode symmetry.

Definition at line 245 of file solver2d.hpp.

◆ getWavelength()

double plask::optical::modal::FourierSolver2D::getWavelength ( size_t n )

overrideprotectedvirtual

Return mode wavelength.

Parameters

n	mode number

Implements plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >.

Definition at line 223 of file solver2d.cpp.

◆ incidentGaussian()

cvector plask::optical::modal::FourierSolver2D::incidentGaussian	(	Transfer::IncidentDirection	side,
		Expansion::Component	polarization,
		double	sigma,
		double	center = `0.`,
		dcomplex	lam = `NAN`
	)

Compute incident vector with Gaussian profile.

Parameters

side	incidence side
polarization	polarization of the perpendicularly incident light
sigma	standard deviation
center	position of the beam center
lam	wavelength

Returns: incident field vector

Definition at line 258 of file solver2d.cpp.

◆ incidentVector()

cvector plask::optical::modal::FourierSolver2D::incidentVector	(	Transfer::IncidentDirection	side,
		Expansion::Component	polarization,
		dcomplex	lam = `NAN`
	)

Get incident field vector for given polarization.

Parameters

side	incidence side
polarization	polarization of the perpendicularly incident light
lam	wavelength

Returns: incident field vector

Definition at line 242 of file solver2d.cpp.

◆ insertMode()

size_t plask::optical::modal::FourierSolver2D::insertMode ( )

inlineprotected

Insert mode to the list or return the index of the exiting one.

Definition at line 486 of file solver2d.hpp.

◆ loadConfiguration()

void plask::optical::modal::FourierSolver2D::loadConfiguration	(	XMLReader &	source,
		Manager &	manager
	)

overridevirtual

Load configuration from given source.

XML reader (source) point to opening of this solver tag and after return from this method should point to this solver closing tag.

Parameters

source	source of configuration
manager	manager from which information about geometry, meshes, materials, and so on can be get if needed

Reimplemented from plask::Solver.

Definition at line 34 of file solver2d.cpp.

◆ nummodes()

size_t plask::optical::modal::FourierSolver2D::nummodes ( ) const

inlineoverrideprotectedvirtual

Return number of determined modes.

Implements plask::optical::modal::ModalSolver< SolverWithMesh< Geometry2DCartesian, MeshAxis > >.

Definition at line 503 of file solver2d.hpp.

◆ onInitialize()

void plask::optical::modal::FourierSolver2D::onInitialize ( )

overrideprotectedvirtual

Initialize the solver.

Default implementation just does nothing, however it is a good idea to overwrite it in subclasses and put initialization code in it.

Reimplemented from plask::Solver.

Definition at line 136 of file solver2d.cpp.

◆ onInvalidate()

void plask::optical::modal::FourierSolver2D::onInvalidate ( )

overrideprotectedvirtual

This method is called by invalidate() to reset stored values.

Default implementation does nothing.

See also: invalidate()

Reimplemented from plask::Solver.

Definition at line 151 of file solver2d.cpp.

◆ separated()

bool plask::optical::modal::FourierSolver2D::separated ( ) const

inline

Get info if the expansion is separated.

Definition at line 280 of file solver2d.hpp.

◆ setBeta()

void plask::optical::modal::FourierSolver2D::setBeta ( dcomplex k )

inline

Set longitudinal wavevector.

Definition at line 231 of file solver2d.hpp.

◆ setDCT()

void plask::optical::modal::FourierSolver2D::setDCT ( int n )

inline

Set type of the DCT.

Definition at line 194 of file solver2d.hpp.

◆ setExpansionDefaults()

bool plask::optical::modal::FourierSolver2D::setExpansionDefaults ( bool with_k0 = true )

inlineoverridevirtual

Set expansion parameters from default values.

Parameters

with_k0 Change k0

Returns: true if anything was changed

Implements plask::optical::modal::ModalBase.

Definition at line 137 of file solver2d.hpp.

◆ setFourierType()

void plask::optical::modal::FourierSolver2D::setFourierType ( FourierType ft )

inline

Set type of the DCT.

Definition at line 209 of file solver2d.hpp.

◆ setKtran()

void plask::optical::modal::FourierSolver2D::setKtran ( dcomplex k )

inline

Set transverse wavevector.

Definition at line 220 of file solver2d.hpp.

◆ setMode()

size_t plask::optical::modal::FourierSolver2D::setMode ( )

inline

Check if the current parameters correspond to some mode and insert it.

Definition at line 477 of file solver2d.hpp.

◆ setPolarization()

void plask::optical::modal::FourierSolver2D::setPolarization ( Expansion::Component pol )

inline

Set new mode polarization.

Definition at line 265 of file solver2d.hpp.

◆ setSimpleMesh()

void plask::optical::modal::FourierSolver2D::setSimpleMesh ( )

inline

Set the simple mesh based on the geometry bounding boxes.

Definition at line 169 of file solver2d.hpp.

◆ setSize()

void plask::optical::modal::FourierSolver2D::setSize ( size_t n )

inline

Set order of the orthogonal base.

Definition at line 186 of file solver2d.hpp.

◆ setSymmetry()

void plask::optical::modal::FourierSolver2D::setSymmetry ( Expansion::Component sym )

inline

Set new mode symmetry.

Definition at line 248 of file solver2d.hpp.

◆ symmetric()

bool plask::optical::modal::FourierSolver2D::symmetric ( ) const

inline

Get info if the expansion is symmetric.

Definition at line 277 of file solver2d.hpp.

Friends And Related Symbol Documentation

◆ ExpansionPW2D

friend struct ExpansionPW2D

friend

Definition at line 31 of file solver2d.hpp.

Member Data Documentation

◆ beta

dcomplex plask::optical::modal::FourierSolver2D::beta

protected

Longitudinal wavevector (1/µm)

Definition at line 102 of file solver2d.hpp.

◆ dct

int plask::optical::modal::FourierSolver2D::dct

protected

Type of discrete cosine transform. Can be only 1 or two.

Definition at line 120 of file solver2d.hpp.

◆ expansion

ExpansionPW2D plask::optical::modal::FourierSolver2D::expansion

Class responsible for computing expansion coefficients.

Definition at line 128 of file solver2d.hpp.

◆ ftt

FourierType plask::optical::modal::FourierSolver2D::ftt

protected

Way of computation of Fourier coefficients.

Definition at line 123 of file solver2d.hpp.

◆ ktran

dcomplex plask::optical::modal::FourierSolver2D::ktran

protected

Transverse wavevector (1/µm)

Definition at line 103 of file solver2d.hpp.

◆ mirrors

plask::optional<std::pair<double,double> > plask::optical::modal::FourierSolver2D::mirrors

Mirror reflectivities.

Definition at line 157 of file solver2d.hpp.

◆ modes

std::vector<Mode> plask::optical::modal::FourierSolver2D::modes

Computed modes.

Definition at line 131 of file solver2d.hpp.

◆ outNeff

ProviderFor<ModeEffectiveIndex>::Delegate plask::optical::modal::FourierSolver2D::outNeff

Provider for computed effective index.

Definition at line 160 of file solver2d.hpp.

◆ pml

PML plask::optical::modal::FourierSolver2D::pml

Lateral PMLs.

Definition at line 154 of file solver2d.hpp.

◆ polarization

Expansion::Component plask::optical::modal::FourierSolver2D::polarization

protected

Indicates polarization if separated

Definition at line 106 of file solver2d.hpp.

◆ refine

size_t plask::optical::modal::FourierSolver2D::refine

Mesh multiplier for finer computation of the refractive indices.

Definition at line 151 of file solver2d.hpp.

◆ size

size_t plask::optical::modal::FourierSolver2D::size

protected

Maximum order of the orthogonal base.

Definition at line 109 of file solver2d.hpp.

◆ symmetry

Expansion::Component plask::optical::modal::FourierSolver2D::symmetry

protected

Indicates symmetry if symmetric

Definition at line 105 of file solver2d.hpp.

The documentation for this struct was generated from the following files:

solvers/optical/modal/fourier/solver2d.hpp
solvers/optical/modal/fourier/solver2d.cpp

Classes

Public Types

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ BaseType

Member Enumeration Documentation

◆ FourierType

◆ What

Constructor & Destructor Documentation

◆ FourierSolver2D()

Member Function Documentation

◆ applyMode() [1/2]

◆ applyMode() [2/2]

◆ clearModes()

◆ computeIntegrals()

◆ dct2()

◆ findMode()

◆ getBeta()

◆ getClassName()

◆ getDCT()

◆ getEffectiveIndex()

◆ getExpansion()

◆ getFieldVectorE()

◆ getFieldVectorH()

◆ getFourierType()

◆ getIntegralEE()

◆ getIntegralHH()

◆ getKtran()

◆ getMirrorLosses()

◆ getPolarization()

◆ getScatteredFieldE()

◆ getScatteredFieldH()

◆ getScatteredFieldMagnitude()

◆ getScatteredFieldVectorE()

◆ getScatteredFieldVectorH()

◆ getScatteredIntegralEE()

◆ getScatteredIntegralHH()

◆ getSize()

◆ getSymmetry()

◆ getWavelength()

◆ incidentGaussian()

◆ incidentVector()

◆ insertMode()

◆ loadConfiguration()

◆ nummodes()

◆ onInitialize()

◆ onInvalidate()

◆ separated()

◆ setBeta()

◆ setDCT()

◆ setExpansionDefaults()

◆ setFourierType()

◆ setKtran()

◆ setMode()

◆ setPolarization()

◆ setSimpleMesh()

◆ setSize()

◆ setSymmetry()

◆ symmetric()

Friends And Related Symbol Documentation

◆ ExpansionPW2D

Member Data Documentation

◆ beta

◆ dct

◆ expansion

◆ ftt

◆ ktran

◆ mirrors

◆ modes

◆ outNeff

◆ pml

◆ polarization

◆ refine

◆ size

◆ symmetry