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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 13 — Jul. 1, 2008
  • pp: 1921–1934

Self-Coherent Multisymbol Detection of Optical Differential Phase-Shift Keying

Moshe Nazarathy, Xiang Liu, Louis Christen, Yannick K. Lize, and Alan E. Willner

Journal of Lightwave Technology, Vol. 26, Issue 13, pp. 1921-1934 (2008)


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Abstract

This paper treats the recently emerging self-coherent multisymbol decision-feedback-aided detection techniques for optical differential phase-shift keyed (DPSK) transmission based on both an optical preprocessing approach and an electronic postprocessing approach. We present in detail i) the generation of a synthetic low phase-noise effective local oscillator out of the modulated optical data itself, and its estimation theory interpretation; ii) the role of polyphase (interleaved) DPSK in the optical preprocessing approach in easing the decision feedback realization requirements; iii) detection of M-ary DPSK modulation formats for general M, and differential quadrature phase-shift keying in particular; iv) three alternative integrated-optoelectronic receiver implementations for the optical preprocessing approach detailing the structures of the interferometric front-end and the high-speed electronic analog and digital building blocks; and v) the principle, and alternative implementations, of the digital postprocessing approach to self-coherent detection. We finally compare the capabilities of the emerging self-coherent detection and digital coherent detection techniques.

© 2008 IEEE

Citation
Moshe Nazarathy, Xiang Liu, Louis Christen, Yannick K. Lize, and Alan E. Willner, "Self-Coherent Multisymbol Detection of Optical Differential Phase-Shift Keying," J. Lightwave Technol. 26, 1921-1934 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-13-1921


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