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Four-channel, Silicon Photonic, Wavelength Multiplexer-Demultiplexer With High Channel Isolations

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We present a four-channel, silicon-photonic, wavelength multiplexer-demultiplexer made using cascaded contra-directional couplers with adjacent and nonadjacent channel isolations of at least 37 dB and 45 dB, respectively. The device’s maximum insertion-loss is 0.72 dB.

© 2020 The Author(s)

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