Multiple phase shifts DFB semiconductor laser based on reconstruction equivalent chirp technology

Yuechun Shi; Simin Li; Linlin Lu; Xiangfei Chen

doi:10.1117/12.871659

12 November 2010 Multiple phase shifts DFB semiconductor laser based on reconstruction equivalent chirp technology

Yuechun Shi, Simin Li, Linlin Lu, Xiangfei Chen

Proceedings Volume 7844, Semiconductor Lasers and Applications IV; 784418 (2010) https://doi.org/10.1117/12.871659
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

A distributed feedback (DFB) semiconductor laser with multiple phase shifts based on reconstruction equivalent chirp (REC) technology is numerical studied and fabricated. The simulation results show that the performances of the multiple phase shifts DFB semiconductor laser based on REC technology are nearly the same as the actual multiple phase shifts DFB laser. They have the same P-I curves, the internal power distributions and the output ASE spectra. However, it only changes the sampling structures of the REC based laser with the uniform seeding waveguide grating. So the fabrication of such laser is very easy. In this paper, the fabrication of this structure was realized for the first time to the best of our knowledge. The experimental results show that it has good single longitudinal mode operation even under high injection current with side mode suppression ratio (SMSR) above 55dB even at high injection current.

Citation Download Citation

Yuechun Shi, Simin Li, Linlin Lu, and Xiangfei Chen "Multiple phase shifts DFB semiconductor laser based on reconstruction equivalent chirp technology", Proc. SPIE 7844, Semiconductor Lasers and Applications IV, 784418 (12 November 2010); https://doi.org/10.1117/12.871659

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