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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 8 — Aug. 1, 2014
  • pp: 081402–

All-optical clock recovery for 40 Gbaud NRZ-QPSK signals using amplif ied feedback DFB laser diode

Liqiang Yu, Yan Li, Jizhao Zang, Dan Lu, Biwei Pan, and Lingjuan Zhao  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 8, pp. 081402- (2014)


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Abstract

An all-optical clock recovery scheme based on monolithic amplified feedback DFB laser (AFL) diode is proposed for nonreturn-to-zero (NRZ) quadrature phase shift keying (QPSK) format signals. By using a preprocessing stage, clock recovery (CR) is successfully demonstrated for 40-Gbaud NRZ-QPSK signals based on this scheme. The dependence of the timing jitter of the recovered clock on the optical power of the injected signal is investigated. A minimum timing jitter of 362.8 fs (integrated within a frequency range from 10 Hz to 10 MHz) is obtained.

© 2014 Chinese Optics Letters

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(230.1150) Optical devices : All-optical devices

ToC Category:
Lasers and Laser Optics

Citation
Liqiang Yu, Yan Li, Jizhao Zang, Dan Lu, Biwei Pan, and Lingjuan Zhao, "All-optical clock recovery for 40 Gbaud NRZ-QPSK signals using amplif ied feedback DFB laser diode," Chin. Opt. Lett. 12, 081402- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-8-081402

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