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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 23, Iss. 4 — Apr. 1, 2005
  • pp: 1704–

Dynamics of All-Optical Clock Recovery Using Two-Section Index- and Gain-Coupled DFB Lasers

Inwoong Kim, Cheolhwan Kim, Patrick L. LiKamWa, and Guifang Li

Journal of Lightwave Technology, Vol. 23, Issue 4, pp. 1704- (2005)


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Abstract

The dynamics of coherent clock recovery (CR) using self-pulsing two-section distributed feedback (TS-DFB) lasers have been investigated. Both simulation and experimental results indicate fast lockup and walk-off of the clock-recovery process on the order of nanoseconds. Phase stability of the recovered clock from a pseudorandom bit sequence (PRBS) signal can be achieved by limiting the detuning between the frequency of free-running self-pulsation and the input bit rate. The simulation results show that all-optical clock recovery using TS-DFB lasers can maintain a better than 5% clock phase stability for large variations in power, bit rate, and optical carrier frequency of the input data and therefore is suitable for applications in optical packet switching.

© 2005 IEEE

Citation
Inwoong Kim, Cheolhwan Kim, Patrick L. LiKamWa, and Guifang Li, "Dynamics of All-Optical Clock Recovery Using Two-Section Index- and Gain-Coupled DFB Lasers," J. Lightwave Technol. 23, 1704- (2005)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-23-4-1704

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