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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4128–4130

Low-cost and wideband frequency tunable optoelectronic oscillator based on a directly modulated distributed feedback semiconductor laser

Jintian Xiong, Rong Wang, Tao Fang, Tao Pu, Dalei Chen, Lin Lu, Peng Xiang, Jilin Zheng, and Jiyong Zhao  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4128-4130 (2013)
http://dx.doi.org/10.1364/OL.38.004128


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Abstract

A novel scheme to realize a low-cost and wideband frequency tunable optoelectronic oscillator based on a directly modulated distributed feedback (DFB) semiconductor laser is proposed and experimentally demonstrated. In the proposed scheme, neither an external modulator nor an electrical filter is used, and no more than 25 dB of the electrical loop gain is required due to the high modulation efficiency of the relaxation oscillation frequency of the DFB laser. Microwave signals with frequency coarsely tuned from 3.77 to 8.75 GHz are generated by changing the bias current and operation temperature of the DFB laser. The single sideband phase noise of the generated 6.97 GHz microwave signal is measured to be 103.6dBc/Hz at 10 kHz offset.

© 2013 Optical Society of America

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(230.0250) Optical devices : Optoelectronics
(230.4910) Optical devices : Oscillators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 5, 2013
Revised Manuscript: September 9, 2013
Manuscript Accepted: September 13, 2013
Published: October 9, 2013

Citation
Jintian Xiong, Rong Wang, Tao Fang, Tao Pu, Dalei Chen, Lin Lu, Peng Xiang, Jilin Zheng, and Jiyong Zhao, "Low-cost and wideband frequency tunable optoelectronic oscillator based on a directly modulated distributed feedback semiconductor laser," Opt. Lett. 38, 4128-4130 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4128

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