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Spectrometer On A Chip: An InP-based Grating Demultiplexer For WDM Applications At 1.5μm
LEOS '90. Conference Proceedings IEEE Lasers and Electro-Optics Society 1990 Annual Meeting
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Bell core, 331 Newman Springs Road, Red Hank, NJ 0770 I (201) 758 3420 \Ve report an lnl'-bascd grating spectrometer for WDM systems operating in the l.5pm liher band. The spectrometer resolves more than 50 wavelength demultiplexed channels at I nm spacing with a 3A channel width and at least I 9dB isolation between outputs. The spectrometer operation is almost independent of the state of the input polarization.
doi:10.1109/leos.1990.690710
fatcat:ppv5kkymqfbftnzxoidwgeambq