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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 19670–19682

Compact MEMS external cavity tunable laser with ultra-narrow linewidth for coherent detection

Di Zhang, Jianyi Zhao, Qi Yang, Wen Liu, Yanfeng Fu, Chao Li, Ming Luo, Shenglei Hu, Qianggao Hu, and Lei Wang  »View Author Affiliations

Optics Express, Vol. 20, Issue 18, pp. 19670-19682 (2012)

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A compact and ultra-narrow linewidth tunable laser with an external cavity based on a simple single-axis-MEMS mirror is presented in this paper. We discuss the simulation of this tunable laser using a two-step hybrid analysis method to obtain an optimal design of the device. A wide wavelength tuning range about 40nm in C-band with a narrow linewidth of less than 50 kHz and wavelength accuracy of ± 1GHz over the entire tuning range can be achieved experimentally. We also conduct several experiments under different conditions to test the tunable laser. This device shows an excellent performance in both single-carrier polarization-multiplexed quadrature phase-shift keying (PM-QPSK) and multi-carrier orthogonal frequency division multiplexing (OFDM) coherent systems.

© 2012 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(230.0230) Optical devices : Optical devices
(230.4685) Optical devices : Optical microelectromechanical devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 11, 2012
Revised Manuscript: July 16, 2012
Manuscript Accepted: July 16, 2012
Published: August 13, 2012

Di Zhang, Jianyi Zhao, Qi Yang, Wen Liu, Yanfeng Fu, Chao Li, Ming Luo, Shenglei Hu, Qianggao Hu, and Lei Wang, "Compact MEMS external cavity tunable laser with ultra-narrow linewidth for coherent detection," Opt. Express 20, 19670-19682 (2012)

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