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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 24 — Dec. 15, 2009
  • pp: 3821–3823

Double-locked semiconductor laser for radio-over-fiber uplink transmission

Cuicui Cui, Xuelei Fu, and Sze-Chun Chan  »View Author Affiliations

Optics Letters, Vol. 34, Issue 24, pp. 3821-3823 (2009)

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The nonlinear dynamics of an optically injected semiconductor laser are explored for radio-over-fiber uplink transmission. Under optical injection locking, the laser at the base station is operated in the period-one oscillation state, where its intensity oscillates at a tunable microwave frequency. When the oscillation is tuned to the subcarrier frequency, it is further locked by the uplink microwave signal. By simply using an ordinary 2.5 - Gbps -grade semiconductor laser, uplink transmission of the phase-shift keying (PSK) signal at a subcarrier of 16 GHz with bit-error rate of less than 10 11 is demonstrated experimentally. Microwave PSK to optical PSK is achieved at the double-locked laser, which allows all-optical demodulation without any high-speed microwave electronics.

© 2009 Optical Society of America

OCIS Codes
(060.2920) Fiber optics and optical communications : Homodyning
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.5960) Lasers and laser optics : Semiconductor lasers
(350.4010) Other areas of optics : Microwaves

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 9, 2009
Manuscript Accepted: October 25, 2009
Published: December 7, 2009

Cuicui Cui, Xuelei Fu, and Sze-Chun Chan, "Double-locked semiconductor laser for radio-over-fiber uplink transmission," Opt. Lett. 34, 3821-3823 (2009)

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