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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 2 — Jan. 10, 2002
  • pp: 290–297

Photonic encoder and decoder for optical code-division multiplexing with time-to-space converters and angle-multiplexed holograms

Hiroyuki Tsuda and Hirokazu Takenouchi  »View Author Affiliations


Applied Optics, Vol. 41, Issue 2, pp. 290-297 (2002)
http://dx.doi.org/10.1364/AO.41.000290


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Abstract

A photonic encoder–decoder pair for optical code-division multiplexing (OCDM) that uses time-to-space converters and angle-multiplexed holograms is proposed. The encoder converts the pulse from each input port into a specific code and multiplexes input signals into the output port. The hologram in the decoder generates a correlation waveform between the transmitted code and the recorded code. The performance of the OCDM system with the encoder–decoder pair is estimated. The maximum spectral efficiency for 8-bit length orthogonal codes in the worst case at a bit-error rate of 10-9 is 0.17 (bits/s)/Hz when the number of channels is 8.

© 2002 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4230) Fiber optics and optical communications : Multiplexing
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(090.4220) Holography : Multiplex holography
(200.4560) Optics in computing : Optical data processing

History
Original Manuscript: September 1, 2000
Revised Manuscript: September 21, 2001
Published: January 10, 2002

Citation
Hiroyuki Tsuda and Hirokazu Takenouchi, "Photonic encoder and decoder for optical code-division multiplexing with time-to-space converters and angle-multiplexed holograms," Appl. Opt. 41, 290-297 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-2-290


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