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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 4 — Apr. 1, 2012
  • pp: 041406–

Low-temperature characteristics of two-color InAs/InP quantum dots laser

Shiguo Li, Qian Gong, Xinzhong Wang, Li Yue, Oingbo Liu, and Hailong Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 4, pp. 041406- (2012)

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We report on the lasing characteristics of a two-color InAs/InP quantum dots (QDs) laser at a low temperature. Two lasing peaks with a tunable gap are simultaneously observed. At a low temperature of 80 K, a tunable range greater than a 20-nm wavelength is demonstrated by varying the injection current from 30 to 500 mA. Under a special condition, we even observe three lasing peaks, which are in contrast to those observed at room temperature. The temperature coefficient of the lasing wavelength was obtained for the two colors in the 80-280 K temperature range, which is lower than that of the reference quantum well (QW) laser working in the same wavelength region.

© 2012 Chinese Optics Letters

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(300.6360) Spectroscopy : Spectroscopy, laser

ToC Category:
Lasers and Laser Optics

Shiguo Li, Qian Gong, Xinzhong Wang, Li Yue, Oingbo Liu, and Hailong Wang, "Low-temperature characteristics of two-color InAs/InP quantum dots laser," Chin. Opt. Lett. 10, 041406- (2012)

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