Published September 1, 1991
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Spectrometer on a chip: InP-based integrated grating spectrograph for wavelength-multiplexed optical processing
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Abstract
We report the performance of an InP-based integrated spectrometer and consider its application in wavelength division multiplexed (WDM) systems. The wavelength multiplexer/demultiplexer operates in the 1.5 micrometers fiber band and disperses 1 nm spaced signals over a spectral range of 75 nm. Crosstalk between the channels is -19 dB and the optical performance of the spectrometer is essentially insensitive to the polarization of the incident light. Use of the device in multiwavelength telecommunication and computer local area networks is discussed.
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© 1991 Society of Photo-Optical Instrumentation Engineers (SPIE). We with to thank J.R. Hayes and C.A. Brackett for discussions on this device and its applications.Attached Files
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- 87700
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- CaltechAUTHORS:20180710-105742916
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- Proceedings of SPIE
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- 1474