Highly linear-polarized external cavity laser with 45-degree-tilted waveguide grating

Ryun Kyung Kim; Kwang No Park; Chul Seop Kim; Hyun Soo Jang; Kyung Shik Lee

doi:10.1117/12.691656

6 October 2006 Highly linear-polarized external cavity laser with 45°-tilted waveguide grating

Ryun Kyung Kim, Kwang No Park, Chul Seop Kim, Hyun Soo Jang, Kyung Shik Lee

Proceedings Volume 6352, Optoelectronic Materials and Devices; 63522S (2006) https://doi.org/10.1117/12.691656
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

We propose and demonstrate a highly linear-polarized hybrid integrated external cavity laser (ECL) on a planar lightwave circuit (PLC). An in-PLC polarizer is designed to improve polarization extinction ratio (PER). The in-PLC polarizer based on a 45°-tilted grating was simply formed in the laser cavity composed of a Fabry-Perot laser diode and a Bragg grating. The proposed ECL exhibited singled longitudinal mode oscillation with polarization extinction ratio of 30dB.

Citation Download Citation

Ryun Kyung Kim, Kwang No Park, Chul Seop Kim, Hyun Soo Jang, and Kyung Shik Lee "Highly linear-polarized external cavity laser with 45°-tilted waveguide grating", Proc. SPIE 6352, Optoelectronic Materials and Devices, 63522S (6 October 2006); https://doi.org/10.1117/12.691656

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