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Optical Engineering

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

Paper Details

Date Published: 6 October 2015
PDF: 7 pages
Opt. Eng. 54(10) 106102 doi: 10.1117/1.OE.54.10.106102
Published in: Optical Engineering Volume 54, Issue 10
Show Author Affiliations
Gholamreza Mosallanezhad, IEEE Photonics Society (Iran)
Alireza Keshavarz, Shiraz Univ. of Technology (Iran)

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