A novel tunable semiconductor laser based on a sampled grating reflector and an interleaved sampled grating reflector

Hao Wang; Jialin Zhao; Yonglin Yu

doi:10.1117/12.904011

28 November 2011 A novel tunable semiconductor laser based on a sampled grating reflector and an interleaved sampled grating reflector

Hao Wang, Jialin Zhao, Yonglin Yu

Author Affiliations +

Proceedings Volume 8308, Optoelectronic Materials and Devices VI; 83080J (2011) https://doi.org/10.1117/12.904011
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

A widely tunable distributed Bragg reflector (DBR) laser with gratings of simpler structure compare to other types of widely tunable (around 100 nm) lasers is proposed for achieving wide wavelength tuning range (> 100 nm), which consists a front reflector based on a normal sampled grating (SG) with a small duty ratio (the ratio of the grating pitch length to the sampling period), and a rear reflector based on a properly designed interleaved sampled grating (ISG). The interleaved sampled grating (ISG) has an advantage over other complex structures, it is easy for fabrication and reflection spectrum of the grating is stable while tuning. Simulation results demonstrated that characteristics of the reflection spectrums of the both reflectors is good for wide wavelength tuning, and the wavelength tuning range of a DBR laser based on this design can be over 100nm.

Citation Download Citation

Hao Wang, Jialin Zhao, and Yonglin Yu "A novel tunable semiconductor laser based on a sampled grating reflector and an interleaved sampled grating reflector", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83080J (28 November 2011); https://doi.org/10.1117/12.904011

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