Design and optimizations of quasiperiodic microcavity with high-quality factor and its application in quantum dot lasers

Gholamreza Mosallanezhad; Alireza Keshavarz

doi:10.1117/1.OE.54.10.106102

6 October 2015 Design and optimizations of quasiperiodic microcavity with high-quality factor and its application in quantum dot lasers

Gholamreza Mosallanezhad, Alireza Keshavarz

Author Affiliations +

Optical Engineering, Vol. 54, Issue 10, 106102 (October 2015). https://doi.org/10.1117/1.OE.54.10.106102

Abstract

We propose an optimized quasiperiodic microcavity with the aim of achieving the highest quality factor. The proposed structure consists of two quasicrystal rings with different geometries. By performing several optimizations on the structure, the highest quality factor of 8.16×10⁷ for a femtosecond laser with a wavelength of 1040 nm can be achieved. The quasiperiodic microcavity is used for a quantum dot laser application that obtained the highest output power of 3800 W/m². The most important characteristics of this structure are the improvement of the quality factor and a simultaneously stable cavity wavelength.

Citation Download Citation

Gholamreza Mosallanezhad and Alireza Keshavarz "Design and optimizations of quasiperiodic microcavity with high-quality factor and its application in quantum dot lasers," Optical Engineering 54(10), 106102 (6 October 2015). https://doi.org/10.1117/1.OE.54.10.106102

Published: 6 October 2015

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