Optical gain in ZnCdSe-ZnSe quantum well structures

Paul C. T. Rees; Jon. F. Heffernan; Fred P. Logue; John F. Donegan; Christopher Jordan; John Hegarty; Futoshi Hiei; Akira Ishibashi

doi:10.1117/12.238946

1 May 1996 Optical gain in ZnCdSe-ZnSe quantum well structures

Paul C. T. Rees, Jon. F. Heffernan, Fred P. Logue, John F. Donegan, Christopher Jordan, John Hegarty, Futoshi Hiei, Akira Ishibashi

Author Affiliations +

Proceedings Volume 2693, Physics and Simulation of Optoelectronic Devices IV; (1996) https://doi.org/10.1117/12.238946
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

We have measured the gain spectrum of an optically pumped 40 angstrom ZnCdSe-ZnSe multiple quantum well. Our calculation, which includes many body effects such as Coulomb enhancement and spectral broadening due to carrier scattering, gives excellent agreement with the experimental gain measurements. We then show the importance of the inclusion of the Coulomb enhancement for the calculation of optical gain when predicting laser threshold currents. This is emphasized by using our gain calculation as a basis to theoretically optimize a simple ZnCdSe-ZnSe quantum well laser structure incorporating the leakage current over the p-type cladding.

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Paul C. T. Rees, Jon. F. Heffernan, Fred P. Logue, John F. Donegan, Christopher Jordan, John Hegarty, Futoshi Hiei, and Akira Ishibashi "Optical gain in ZnCdSe-ZnSe quantum well structures", Proc. SPIE 2693, Physics and Simulation of Optoelectronic Devices IV, (1 May 1996); https://doi.org/10.1117/12.238946

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