Question: A multimode interference device (MMI) with core index nr-3.0, cladding index of ne= 1.5, and width of 15 um. Calculate the required length: a)

A multimode interference device (MMI) with core index nr-3.0, cladding index of

A multimode interference device (MMI) with core index nr-3.0, cladding index of ne= 1.5, and width of 15 um. Calculate the required length: a) To obtain symmetric power splitter Ix2 at wavelength of 1330 nm b) To obtain a mirror image of generally excited beam at wavelength of 1550 nm. c) If this device is used as IxN power splitter, calculate the maximum value of N

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