Four-wave mixing analysis of quantum dot and quantum well lasers

Hung-Hsin Lin; Chih-Hao Lin; Fan-Yi Lin

doi:10.1117/12.873757

21 February 2011 Four-wave mixing analysis of quantum dot and quantum well lasers

Hung-Hsin Lin, Chih-Hao Lin, Fan-Yi Lin

Proceedings Volume 7933, Physics and Simulation of Optoelectronic Devices XIX; 79331K (2011) https://doi.org/10.1117/12.873757
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

In this paper, we characterize and compare a quantum dot and a quantum well lasers using the four-wave mixing analysis. The optical and power spectra of the four-wave mixing state in the quantum dot laser are studied both numerically and experimentally. The tendency of the amplitude versus detuning in the quantum dot laser is very similar to those seen in the quantum well laser. The four-wave mixing signals and the power spectra from both lasers are symmetric, while asymmetry in the regenerated signal is found. Compared to the quantum well lasers, the higher resonance peak of the regenerated signal of the quantum dot lasers appears on the opposite side of the detuning in the optical spectra. The intrinsic parameters of the lasers are also obtained by fitting the optical spectra and power spectra obtained experimentally with those derived directly from the rate equations. The measured value of the linewidth enhancement factor has a good agreement with that obtained by the injection locking method.

Citation Download Citation

Hung-Hsin Lin, Chih-Hao Lin, and Fan-Yi Lin "Four-wave mixing analysis of quantum dot and quantum well lasers", Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 79331K (21 February 2011); https://doi.org/10.1117/12.873757

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