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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 13622–13635

A pulsated weak-resonant-cavity laser diode with transient wavelength scanning and tracking for injection-locked RZ transmission

Gong-Ru Lin, Yu-Chieh Chi, Yu-Sheng Liao, Hao-Chung Kuo, Zhi-Wang Liao, Hai-Lin Wang, and Gong-Cheng Lin  »View Author Affiliations


Optics Express, Vol. 20, Issue 13, pp. 13622-13635 (2012)
http://dx.doi.org/10.1364/OE.20.013622


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Abstract

By spectrally slicing a single longitudinal-mode from a master weak-resonant-cavity Fabry-Perot laser diode with transient wavelength scanning and tracking functions, the broadened self-injection-locking of a slave weak-resonant-cavity Fabry-Perot laser diode is demonstrated to achieve bi-directional transmission in a 200-GHz array-waveguide-grating channelized dense-wavelength-division-multiplexing passive optical network system. Both the down- and up-stream slave weak-resonant-cavity Fabry-Perot laser diodes are non-return-to-zero modulated below threshold and coherently injection-locked to deliver the pulsed carrier for 25-km bi-directional 2.5 Gbits/s return-to-zero transmission. The master weak-resonant-cavity Fabry-Perot laser diode is gain-switched at near threshold condition and delivers an optical coherent pulse-train with its mode linewidth broadened from 0.2 to 0.8 nm by transient wavelength scanning, which facilitates the broadband injection-locking of the slave weak-resonant-cavity Fabry-Perot laser diodes with a threshold current reducing by 10 mA. Such a transient wavelength scanning induced spectral broadening greatly releases the limitation on wavelength injection-locking range required for the slave weak-resonant-cavity Fabry-Perot laser diode. The theoretical modeling and numerical simulation on the wavelength scanning and tracking effects of the master and slave weak-resonant-cavity Fabry-Perot laser diodes are performed. The receiving power sensitivity for back-to-back transmission at bit-error-rate <10−10 is −25.6 dBm, and the power penalty added after 25-km transmission is less than 2 dB for all 16 channels.

© 2012 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(140.3520) Lasers and laser optics : Lasers, injection-locked

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 1, 2012
Revised Manuscript: May 9, 2012
Manuscript Accepted: May 12, 2012
Published: June 4, 2012

Citation
Gong-Ru Lin, Yu-Chieh Chi, Yu-Sheng Liao, Hao-Chung Kuo, Zhi-Wang Liao, Hai-Lin Wang, and Gong-Cheng Lin, "A pulsated weak-resonant-cavity laser diode with transient wavelength scanning and tracking for injection-locked RZ transmission," Opt. Express 20, 13622-13635 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-13-13622


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References

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