Variation of polarization tilt in GaInP/AlGaInP visible laser diodes

Jong-Seok Kim; Yung-Sung Son; Young-Hak Chang; In-Sung Cho; William Choi; Tae-Kyung Yoo

doi:10.1117/12.273782

2 May 1997 Variation of polarization tilt in GaInP/AlGaInP visible laser diodes

Jong-Seok Kim, Yung-Sung Son, Young-Hak Chang, In-Sung Cho, William Choi, Tae-Kyung Yoo

Proceedings Volume 3001, In-Plane Semiconductor Lasers: from Ultraviolet to Midinfrared; (1997) https://doi.org/10.1117/12.273782
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

The dependence of polarization angle to the quantum well structural parameters and measurement conditions is investigated for GaInP/AlGaInP index-guided laser diodes. The laser diodes that have been studied are 635, 650 and 670 nm band laser diodes with strained quantum well active regions. It has been found that the polarization of radiation along (0 1 -1) direction varies by several degrees from ordinary TE/TM mode determined by the growth direction. The polarization tilt varies with respect to the strain and misorientation of the substrates. The polarization tilt seems to result from the birefringence in the asymmetric crystal structure induced by the strain of GaInP quantum well and the substrate misorientation toward [0 1 1].

Citation Download Citation

Jong-Seok Kim, Yung-Sung Son, Young-Hak Chang, In-Sung Cho, William Choi, and Tae-Kyung Yoo "Variation of polarization tilt in GaInP/AlGaInP visible laser diodes", Proc. SPIE 3001, In-Plane Semiconductor Lasers: from Ultraviolet to Midinfrared, (2 May 1997); https://doi.org/10.1117/12.273782

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