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Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers

Gao Zhuo, Wang Jun, Xiong Cong, Liu Yuanyuan, Liu Suping and Ma Xiaoyu

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Abstract: A novel broad area slotted Fabry-Perot diode laser is designed and fabricated. Using a new semi-analytical method, we introduce effective refractive index perturbations in the form of etched slot features into a conventional 980 nm broad area Fabry-Perot cavity, and the spectral characteristics of the device are expected to be noticeably improved. A low density of slot features is formed by using standard optical lithography and inductively coupled plasma dry etching. The experimental results show that the full spectral width at half-maximum is less than 0.4 nm, meanwhile, the thermal shift of the emission spectrum is decreased from 0.26 to 0.07 nm/℃ over a temperature range of 10 to 60 ℃. The improved spectral characteristics of the device are proved to be attributed to such slotted Fabry-Perot laser structures.

Key words: broad area diode lasers

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    Received: 20 August 2015 Revised: 11 July 2011 Online: Published: 01 January 2012

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      Gao Zhuo, Wang Jun, Xiong Cong, Liu Yuanyuan, Liu Suping, Ma Xiaoyu. Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers[J]. Journal of Semiconductors, 2012, 33(1): 014007. doi: 10.1088/1674-4926/33/1/014007 Gao Z, Wang J, Xiong C, Liu Y Y, Liu S P, Ma X Y. Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers[J]. J. Semicond., 2012, 33(1): 014007. doi: 10.1088/1674-4926/33/1/014007.Export: BibTex EndNote
      Citation:
      Gao Zhuo, Wang Jun, Xiong Cong, Liu Yuanyuan, Liu Suping, Ma Xiaoyu. Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers[J]. Journal of Semiconductors, 2012, 33(1): 014007. doi: 10.1088/1674-4926/33/1/014007

      Gao Z, Wang J, Xiong C, Liu Y Y, Liu S P, Ma X Y. Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers[J]. J. Semicond., 2012, 33(1): 014007. doi: 10.1088/1674-4926/33/1/014007.
      Export: BibTex EndNote

      Improved spectral characteristics of 980 nm broad area slotted Fabry-Perot diode lasers

      doi: 10.1088/1674-4926/33/1/014007
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      Knowledge Innovation Program of the Chinese Academy of Sciences

      • Received Date: 2015-08-20
      • Accepted Date: 2011-07-11
      • Revised Date: 2011-07-11
      • Published Date: 2011-12-28

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