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Frougier J, Baili G, Sagnes I, et al. Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping. Opt Express. 2015;23(8):9573-88doi: 10.1364/OE.23.009573.
Frougier, J., Baili, G., Sagnes, I., Dolfi, D., George, J. M., & Alouini, M. (2015). Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping. Optics express, 23(8), 9573-88. https://doi.org/10.1364/OE.23.009573
Frougier, Julien, et al. "Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping." Optics express vol. 23,8 (2015): 9573-88. doi: https://doi.org/10.1364/OE.23.009573
Frougier J, Baili G, Sagnes I, Dolfi D, George JM, Alouini M. Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping. Opt Express. 2015 Apr 20;23(8):9573-88. doi: 10.1364/OE.23.009573. PMID: 25968994.
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Opt Express. 2015 Apr 20;23(8):9573-88. doi: 10.1364/OE.23.009573.

Accurate measurement of the residual birefringence in VECSEL: Towards understanding of the polarization behavior under spin-polarized pumping.

Optics express

Julien Frougier, Ghaya Baili, Isabelle Sagnes, Daniel Dolfi, Jean-Marie George, Mehdi Alouini

PMID: 25968994 DOI: 10.1364/OE.23.009573

Abstract

In this paper we report birefringence measurements of an optically pumped (100)-oriented InGaAs/GaAsP multiple quantum well (MQWs) Vertical External Cavity Surface Emitting Laser (VECSEL) in oscillating conditions. The proposed technique relies on the measurement in the microwave domain of the beatnote between the oscillating mode and the amplified spontaneous emission of the cross-polarized non-lasing field lying in the following longitudinal mode. This technique is shown to offer extremely high sensitivity and accuracy enabling to track the amount of residual birefringence according to the laser operation conditions. The experience fits within the broader framework of polarization selection in spin-injected lasers.

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