Experimental optical CDMA system based on spectral amplitude encoding of noncoherent broadband sources

Lucie Adam; Eli S. Simova; Mohsen Kavehrad

doi:10.1117/12.227823

1 December 1995 Experimental optical CDMA system based on spectral amplitude encoding of noncoherent broadband sources

Lucie Adam, Eli S. Simova, Mohsen Kavehrad

Proceedings Volume 2614, All-Optical Communication Systems: Architecture, Control, and Network Issues; (1995) https://doi.org/10.1117/12.227823
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

The aim of this work is a proof-of-concept demonstration of an optical CDMA system based on spectral amplitude encoding of incoherent broadband sources. A Light Emitting Diode is employed as a source in a multi-mode fiber-optics system, and simple pseudorandom sequences such as m-sequences are used for optical encoding. We propose a multi-pass configuration with a Littrow grating arrangement for the optical encoder and decoder. Since this is a power-limited system, the multi-pass arrangement allows us to greatly reduce the number of lossy optical components and to increase compactness and power throughput. A differential receiver with a simplified design is employed. Measurement results are presented and discussed.

Citation Download Citation

Lucie Adam, Eli S. Simova, and Mohsen Kavehrad "Experimental optical CDMA system based on spectral amplitude encoding of noncoherent broadband sources", Proc. SPIE 2614, All-Optical Communication Systems: Architecture, Control, and Network Issues, (1 December 1995); https://doi.org/10.1117/12.227823

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