Optical Fibre Toolbox: pmSameModes(pmp1, pmp2) - File Exchange

Code covered by the BSD License

Highlights from
Optical Fibre Toolbox

Effective refractive index of...
Optical Fibre Toolbox two-lay...
... Finds all phase-matching points for the given modes
addPointsToMode(mode, range, ... Adds points to the mode curve, trying to double their density
besselid(n, x) Derivative of the modified Bessel function of the first kind
besseljd(n, x) Derivative of the Bessel function of the first kind
besselkd(n, x) Derivative of the modified Bessel function of the second kind
besselyd(n, x) Derivative of the Bessel function of the second kind
buildModes(argument, fibreSpe... Calculates the modal curves (n_eff vs d or n_eff vs lambda)
checkTask(task, fibre) Verifies task correctness for the given fibre structure
colourVsLambda(x) Returns a colour as corresponding to the given wavelength.
correctModeOrder(modetype, nu... Checks that NU is allowed for such MODETYPE.
displayField2(F, d) Creates plots of the mode field for two-layer structure
eve2LS(d, neff, lambda, fibre... Eigen-value equations for vector two-layer structure modes
eve3LS(d, neff, lambda, fibre... Eigen-value equations for three-layer structure modes
fibreForPM(par, RANGE, materi... Returns possible phase-matching points for 2nd or 3rd harmonic generation
fibreMode(d, neff, lambda, fi... General eigen-value equation function, calls eve2LS or eve3LS
fieldGrid(F) Two-layer grid uniform in R and PHI, for displayField2
fieldPower(F) Power in the mode field.
findModes(argument, par, fibr... Returns starting points n_eff(arg) for all modes found according to task
findRoot(g, LIMITS, p) Works on top of fzero, tries to make it work in larger number of cases.
modeCheckValue(modes) Check-sum for the modes array.
modeDescription(mode, withPar... Returns text description of the mode(s).
modeField(lambda, d, n_eff, f...
modeVsV(mode, region) Returns the same mode with V-parameter as the argument
neff(poiType, poi, par, fibre... Returns n_eff for particular mode and argument value
normalizePower(F, P) Returns field structure normalised to the given power
overlapIntegral(pmp, rotation... Overlap integral for two modes at a phase-matching point
partype(modes)
phaseMatch(mode1, mode2, info... Tries to find a phase-match point on a between the two given modes
pmCheckValue(pmPoints, withOv... Copyright: (cc-by) Subwavelength-diameter fibres team @ Uni Bonn, 2010
pmSameModes(pmp1, pmp2) Returns TRUE if PMP1 and PMP2 are the intersections of the same two modes
pmpDescription(pmp, mode) Creates a text description of a phase-matching point
refrIndex.m
setHarmonic(pmps) Sets the HARMONIC parameter of a phase-matching point structure.
showModes(MODES, caption) Displays modal curves for the MODES array.
showPMPoints(PMPOINTS) Marks phase-matching points (mode curve intersections) on the current plot
styleVsModetype(modetype, nu) Creates line-style understood by SET according to two-layer mode type
traceMode(StartArg, StartNeff... Calculates the mode curve (n_eff vs d or lambda) starting from one point
vParameter(diameter, waveleng... Returns the V-parameter for two-layer structures
Contents.m
bonnHG.m
grubskySavchenko.m
test2LS_3LS.m
vParameterDemo.m
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from Optical Fibre Toolbox by Kotya Karapetyan
Simulation of optical fiber modes

pmSameModes(pmp1, pmp2)

function result = pmSameModes(pmp1, pmp2) 
% Returns TRUE if PMP1 and PMP2 are the intersections of the same two modes
% (with different parameters)

mode11 = modeDescription(pmp1.mode1, false);
mode12 = modeDescription(pmp1.mode2, false);
mode21 = modeDescription(pmp2.mode1, false);
mode22 = modeDescription(pmp2.mode2, false);

result = (strcmpi(mode11, mode21) && strcmpi(mode12, mode22)) ||...
    (strcmpi(mode11, mode22) && strcmpi(mode12, mode21));

Highlights from Optical Fibre Toolbox

Highlights from
Optical Fibre Toolbox