Spectral gain and cavity loss characterization of an optically-pumped external-cavity surface-emitting quantum well laser

C. Robin Head; Keith G. Wilcox; Oliver J. Morris; Andrew P. Turnbull; Harvey E. Beere; Ian Farrer; David A. Ritchie; Anne C. Tropper

2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
(Optica Publishing Group, 2013),
paper CB_P_25

Spectral gain and cavity loss characterization of an optically-pumped external-cavity surface-emitting quantum well laser

C. Robin Head, Keith G. Wilcox, Oliver J. Morris, Andrew P. Turnbull, Harvey E. Beere, Ian Farrer, David A. Ritchie, and Anne C. Tropper

The European Conference on Lasers and Electro-Optics 2013

Munich Germany
12–16 May 2013
ISBN: 978-1-4799-0594-2

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C. R. Head, K. G. Wilcox, O. J. Morris, A. P. Turnbull, H. E. Beere, I. Farrer, D. A. Ritchie, and A. C. Tropper, "Spectral gain and cavity loss characterization of an optically-pumped external-cavity surface-emitting quantum well laser," in 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference, (Optica Publishing Group, 2013), paper CB_P_25.

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Abstract

We present the spectral gain and cavity loss characterisation of an optically-pumped external-cavity 1-µm surface-emitting InGaAs quantum well laser by observing the evolution of intracavity power and spontaneous emission following the uncovering of the cavity mode by an intra-cavity chopper. The smooth monotonic rise (fall) is characteristic of an external-cavity quantum well laser where the photon lifetime is approximately two orders of magnitude higher than the carrier lifetime.

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