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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11564–11569

Microring-based modulation and demodulation of DPSK signal

Lin Zhang, Jeng-Yuan Yang, Muping Song, Yunchu Li, Bo Zhang, Raymond G. Beausoleil, and Alan E. Willner  »View Author Affiliations

Optics Express, Vol. 15, Issue 18, pp. 11564-11569 (2007)

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Ultra-small modulator and demodulator for 10 Gb/s differential phase-shift-keying (DPSK), using silicon-based microrings, are proposed. A single-waveguide microring modulator with over-coupling between ring and waveguide generates a DPSK signal, while a double-waveguide microring filter enables balanced DPSK detection. These modulator and demodulator are characterized. A trade-off between pattern dependence of the Duobinary signal and alternate-mark inversion signal power in demodulator design is discussed. Power penalty of the proposed approach is 0.8 dB relative to baseline using conventional modulation and demodulation techniques.

© 2007 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(130.0130) Integrated optics : Integrated optics
(200.4650) Optics in computing : Optical interconnects
(230.4110) Optical devices : Modulators

ToC Category:
Integrated Optics

Original Manuscript: June 4, 2007
Revised Manuscript: August 22, 2007
Manuscript Accepted: August 23, 2007
Published: August 28, 2007

Lin Zhang, Jeng-Yuan Yang, Muping Song, Yunchu Li, Bo Zhang, Raymond G. Beausoleil, and Alan E. Willner, "Microring-based modulation and demodulation of DPSK signal," Opt. Express 15, 11564-11569 (2007)

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