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The Emission page derives per-emitter radiative properties — Purcell Factor, effective Quantum Efficiency, and Lifetime — from the Mode detector results. Running the Mode detector is therefore a prerequisite for any data to appear in the Emission view.",[222,223,225],"h2",{"id":224},"mode-fractions","Mode fractions",[218,227,228],{},"The Mode page decomposes total emitted power into 7 channels:",[230,231,232,248],"table",{},[233,234,235],"thead",{},[236,237,238,242,245],"tr",{},[239,240,241],"th",{},"Channel (UI label)",[239,243,244],{},"Abbreviation",[239,246,247],{},"Physical meaning",[249,250,251,263,274,285,296,307,318],"tbody",{},[236,252,253,257,260],{},[254,255,256],"td",{},"Top Outcoupling",[254,258,259],{},"TOC",[254,261,262],{},"Light exiting from the top into the environment medium",[236,264,265,268,271],{},[254,266,267],{},"Bottom Outcoupling",[254,269,270],{},"BOC",[254,272,273],{},"Light exiting from the bottom into the environment medium",[236,275,276,279,282],{},[254,277,278],{},"Substrate",[254,280,281],{},"SUB",[254,283,284],{},"Light confined in the substrate by total internal reflection at the substrate–air interface",[236,286,287,290,293],{},[254,288,289],{},"Waveguide",[254,291,292],{},"WVG",[254,294,295],{},"Light trapped in the organic stack by total internal reflection and interference",[236,297,298,301,304],{},[254,299,300],{},"Evanescent",[254,302,303],{},"EVA",[254,305,306],{},"Energy dissipated as evanescent waves, generally SPP loss",[236,308,309,312,315],{},[254,310,311],{},"Absorption",[254,313,314],{},"ABS",[254,316,317],{},"Power absorbed on the TOC/SUB outcoupling paths",[236,319,320,323,326],{},[254,321,322],{},"Non-radiative",[254,324,325],{},"NRA",[254,327,328],{},"Intrinsic non-radiative decay of the emitter (appears when Quantum Efficiency \u003C 1)",[218,330,331,332,336],{},"The k_in integration intervals defining each channel and the underlying derivations are covered in ",[333,334,335],"a",{"href":41},"Emission Theory",".",[218,338,339],{},"When the top surrounding medium is air, TOC equals the light extraction efficiency (LEE). When both Conversion Efficiency and Quantum Efficiency are 1 (their defaults), TOC = LEE = EQE.",[341,342,345],"callout",{"icon":343,"color":344},"i-lucide-triangle-alert","amber","Mode calculation requires n_t or n_b \u003C n_s \u003C n_e. If the structure does not satisfy this index ordering, the mode-integration boundaries are invalid and the Mode page fractions will be inaccurate.",[347,348,350],"h3",{"id":349},"single-weighted-average-donut-chart","Single / Weighted Average: donut chart",[218,352,353,354,358,359,362,363,367],{},"When the Wavelength Mode is ",[355,356,357],"code",{},"Single"," or ",[355,360,361],{},"Weighted Average",", the Mode page displays a ",[364,365,366],"strong",{},"donut chart"," showing the power fraction of all 7 channels at a single effective wavelength. The legend lists each channel name and its percentage.",[218,369,370],{},[371,372],"img",{"alt":373,"src":374},"Mode result view (donut chart)","/images/emission/result-mode-doughnut.png",[347,376,378],{"id":377},"sweep-mode-stacked-area-line-chart","Sweep mode: stacked area / line chart",[218,380,381,382,385,386,389,390,393],{},"When Wavelength Mode is ",[355,383,384],{},"Sweep",", the x-axis becomes wavelength (nm) and the y-axis shows per-channel fraction. The default is a ",[364,387,388],{},"Stacked Area"," chart — the 7 channels sum to approximately 1 across the wavelength range, making it easy to see how each channel evolves with wavelength. Switch to the ",[364,391,392],{},"Line"," chart type to inspect individual channels without overlap.",[347,395,397],{"id":396},"not-converged-marker","Not-converged marker (*)",[218,399,400,401,404,405],{},"When one or more modes at a given wavelength fail to converge, the wavelength label is appended with ",[355,402,403],{},"*",". A legend hint reads: ",[355,406,407],{},"* marks wavelengths with one or more modes that failed to converge.",[218,409,410,411,414],{},"Non-convergence typically occurs when the numerical tolerance is too loose or when the structure contains a very strong SPP resonance. Reduce the ",[364,412,413],{},"Tolerance"," value in the Mode detector configuration on the Optics page and re-run.",[222,416,418],{"id":417},"sweep-vs-weighted-average","Sweep vs Weighted Average",[218,420,421],{},"In Sweep mode, the Mode page outputs a separate set of 7 channel fractions for each wavelength point, with the x-axis spanning the full wavelength range.",[218,423,424],{},"In Weighted Average mode, the wavelength dimension collapses to a single weighted value and the Mode page reverts to the donut chart display, behaving the same as Single mode.",[218,426,427,430,431,434,435,336],{},[364,428,429],{},"Non-radiative channel (NRA)",": NRA appears only when the emitter's ",[364,432,433],{},"Quantum Efficiency"," is less than 1. Its fraction is not equal to 1 − q₀, because the Purcell effect changes the relative balance between radiative and non-radiative decay rates. The exact relationship is given in ",[333,436,335],{"href":41},[222,438,440],{"id":439},"emission-purcell-effective-qe","Emission (Purcell / effective QE)",[218,442,443],{},"The Emission view extracts the following per-emitter properties from the Mode detector results:",[230,445,446,455],{},[233,447,448],{},[236,449,450,453],{},[239,451,452],{},"Property (UI label)",[239,454,247],{},[249,456,457,465,473,481,489,497],{},[236,458,459,462],{},[254,460,461],{},"Purcell Factor",[254,463,464],{},"Enhancement factor F for spontaneous emission rate by the optical environment",[236,466,467,470],{},[254,468,469],{},"Decay Rate Enhancement",[254,471,472],{},"Ratio of environment-modified to intrinsic total decay rate, b/b₀",[236,474,475,478],{},[254,476,477],{},"Quantum Eff. (Intrinsic)",[254,479,480],{},"Input intrinsic quantum efficiency q₀ (not affected by Purcell)",[236,482,483,486],{},[254,484,485],{},"Quantum Eff.",[254,487,488],{},"Purcell-corrected effective quantum efficiency q_eff",[236,490,491,494],{},[254,492,493],{},"Lifetime (Intrinsic)",[254,495,496],{},"Input intrinsic radiative lifetime τ₀",[236,498,499,502],{},[254,500,501],{},"Lifetime",[254,503,504],{},"Purcell-corrected effective lifetime τ",[218,506,507,508,336],{},"Formulas for effective quantum efficiency and lifetime are given in ",[333,509,335],{"href":41},[341,511,513,514,517],{"icon":512},"i-lucide-info","The Emission view is derived from Mode detector results. The ",[364,515,516],{},"Mode"," detector must be checked in the Optics page before running; otherwise the Emission page will show no data.",[347,519,521],{"id":520},"single-weighted-average-mode","Single / Weighted Average mode",[218,523,381,524,358,526,528,529,532],{},[355,525,357],{},[355,527,361],{},", each emitter is shown as a ",[364,530,531],{},"description card"," listing all properties (both intrinsic and effective values). There is no chart and no view toggle.",[347,534,536],{"id":535},"sweep-mode","Sweep mode",[218,538,381,539,541],{},[355,540,384],{}," (≥ 2 wavelength points), the page switches to chart/table mode. The right sidebar displays:",[543,544,545,552],"ul",{},[546,547,548,551],"li",{},[364,549,550],{},"Property",": a RadioButton group to select Purcell Factor / Decay Rate Enhancement / Quantum Eff. / Lifetime",[546,553,554,557,558,561],{},[364,555,556],{},"Emitter",": a dropdown showing all emitter names; selecting ",[355,559,560],{},"All emitters"," plots one line per emitter",[218,563,564],{},"The x-axis is wavelength (nm); the y-axis is the selected property. The Purcell Factor typically shows a peak at wavelengths coinciding with microcavity resonances.",[218,566,567],{},[371,568],{"alt":569,"src":570},"Emission result view (Purcell / effective QE)","/images/emission/result-emission-purcell.png",[222,572,574],{"id":573},"controls","Controls",[218,576,577,578,581,582,581,585,588,589,591],{},"The common chart/table toggle and export controls (",[355,579,580],{},"Export CSV",", ",[355,583,584],{},"Export Image",[355,586,587],{},"Copy Image",") are described in ",[333,590,91],{"href":92},". Page-specific controls:",[230,593,594,604],{},[233,595,596],{},[236,597,598,601],{},[239,599,600],{},"Control",[239,602,603],{},"Function",[249,605,606,614,622],{},[236,607,608,611],{},[254,609,610],{},"Chart type selector",[254,612,613],{},"Stacked Area / Line (Mode sweep mode only)",[236,615,616,619],{},[254,617,618],{},"Property (RadioButton)",[254,620,621],{},"Select which physical quantity to display in the Emission view (Sweep mode only)",[236,623,624,627],{},[254,625,626],{},"Emitter selector",[254,628,629],{},"Select a single emitter or all emitters (Sweep mode only)",[218,631,632],{},"If the page shows \"No data\", the most common causes are:",[543,634,635,638,645],{},[546,636,637],{},"no calculation has been run yet",[546,639,640,641,644],{},"no layer is marked as emissive (enable the ",[355,642,643],{},"Emis."," toggle in the Structure page)",[546,646,647,648,650],{},"the ",[364,649,516],{}," detector is not checked in the Emission detector lane of the Optics page (Emission view also depends on this)",[222,652,654],{"id":653},"next","Next",[543,656,657,662],{},[546,658,659,660],{},"Understand the k_in integration boundaries for each of the 7 channels, the Purcell factor derivation, and the effective QE formula: ",[333,661,335],{"href":41},[546,663,664,665],{},"Observe how mode fractions and Purcell Factor change across a parameter sweep: ",[333,666,667],{"href":83},"Emission Sweep",{"title":669,"searchDepth":670,"depth":670,"links":671},"",2,[672,678,679,683,684],{"id":224,"depth":670,"text":225,"children":673},[674,676,677],{"id":349,"depth":675,"text":350},3,{"id":377,"depth":675,"text":378},{"id":396,"depth":675,"text":397},{"id":417,"depth":670,"text":418},{"id":439,"depth":670,"text":440,"children":680},[681,682],{"id":520,"depth":675,"text":521},{"id":535,"depth":675,"text":536},{"id":573,"depth":670,"text":574},{"id":653,"depth":670,"text":654},"Mode fractions (loss channels) and per-emitter Purcell / effective QE","md",null,{},true,{"title":95,"description":685},"zq_kZhyZ8AGQvTqit1PlZWtfBel7Gea1G5TFEakKFDM",[693,695],{"title":91,"path":92,"stem":93,"description":694,"children":-1},"Reflectance, transmittance, absorptance, and layer absorption",{"title":99,"path":100,"stem":101,"description":696,"children":-1},"Spectral and color result interpretation",1782152029675]