The coherent crosstalk of an add/drop filter with Bragg gratings written in a planar lightwave circuit Mach-Zehnder interferometer is investigated experimentally and theoretically. The filter is used to design an optical local area network without any optical amplifiers, based on the coherent crosstalk limitation.

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Keywords Add/drop filter, Bragg grating, Coherent crosstalk, Optical LAN, Planar lightwave circuit
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Journal IEEE Photonics Technology Letters
Hattori, K. (K.), Abe, M. (M.), Albert, J, Bilodeau, F. (F.), Hill, K.O. (K. O.), Hibino, Y. (Y.), … Oguchi, K. (K.). (1999). Coherent Crosstalk of an Optical Add/Drop Filter with Bragg Gratings in a PLC Mach-Zehnder Interferometer for Optical LAN. IEEE Photonics Technology Letters, 11(2), 272–274. doi:10.1109/68.740727