Two identical waveguides are spaced by 64 um with a coupling coefficient of 0.0013 um Calculate the length of coupler in um needed for a coupling of -3 dB Use your engineering judgement to decide on how many significant figures to use in your answer

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Two identical waveguides are spaced by 64 um with a coupling coefficient of 0.0013 um
-1
Calculate the length of coupler in um needed for a coupling
of -3 dB
Use your engineering judgement to decide on how many significant figures to use in your answer
Transcribed Image Text:Two identical waveguides are spaced by 64 um with a coupling coefficient of 0.0013 um -1 Calculate the length of coupler in um needed for a coupling of -3 dB Use your engineering judgement to decide on how many significant figures to use in your answer
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