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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 6 — Mar. 15, 2009
  • pp: 812–814

All-optical frequency conversion using nonlinear dynamics of semiconductor lasers

Sheng-Kwang Hwang, How-Foo Chen, and Che-Yang Lin  »View Author Affiliations

Optics Letters, Vol. 34, Issue 6, pp. 812-814 (2009)

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When a semiconductor laser is subject to optical injection, it can enter the period-one dynamics through Hopf bifurcation. Under such nonlinear dynamics, equally and oppositely frequency-shifted optical signals from the injection emerge and are utilized for frequency conversion. Only a typical semiconductor laser is required as the conversion unit, where no pump or probe laser is necessary. The frequency shift can be continuously tuned by controlling the level or frequency of the injection. A bit-error ratio down to 10 12 is observed with no or a slight power penalty for amplitude, frequency, and phase modulation at 2.5 Gbits s , suggesting modulation format transparency of the system. Frequency down-, no-, and upconversion can be simultaneously achieved and individually selected, increasing the flexibility and reconfigurability of the system.

© 2009 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.3100) Nonlinear optics : Instabilities and chaos

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 24, 2008
Revised Manuscript: February 9, 2009
Manuscript Accepted: February 10, 2009
Published: March 11, 2009

Sheng-Kwang Hwang, How-Foo Chen, and Che-Yang Lin, "All-optical frequency conversion using nonlinear dynamics of semiconductor lasers," Opt. Lett. 34, 812-814 (2009)

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