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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 10 — Oct. 1, 2012
  • pp: 101403–101403

Polarization-locked VCSEL with PM fiber pigtail for quantum communication

Guofeng Xin, Li Shen, Haoyang Pi, Dijun Chen, Haiwen Cai, Huizhong Feng, Jianxin Geng, Ronghui Qu, Gaoting Chen, Zujie Fang, and Weibiao Chen  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 10, pp. 101403-101403 (2012)

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Quantum communication is a new technology requiring a stable and reliable laser source for communication security. A new kind of polarization-locked vertical-cavity surface-emitting laser (VCSEL) with polarization maintaining (PM) fiber pigtail is fabricated as a decoy state laser source. The VCSEL is packaged in a standard butterfly box integrated with thermoelectric coder (TEC) and thermistor. The optical pulse width of full-width at half-maximum (FWHM) is smaller than 400 ps with a 100-MHz on/off modulation frequency. The results reveal that modulation range is better than 4. Moreover, the polarization is stable, and the power extinction ratio is larger than 25. The center wavelength is 850 nm, and the SMSR is better than 40 dB.

© 2012 Chinese Optics Letters

OCIS Codes
(230.0250) Optical devices : Optoelectronics
(140.3325) Lasers and laser optics : Laser coupling
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

Guofeng Xin, Li Shen, Haoyang Pi, Dijun Chen, Haiwen Cai, Huizhong Feng, Jianxin Geng, Ronghui Qu, Gaoting Chen, Zujie Fang, and Weibiao Chen, "Polarization-locked VCSEL with PM fiber pigtail for quantum communication," Chin. Opt. Lett. 10, 101403-101403 (2012)

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