## Dynamic characteristics of photonic crystal quantum dot lasers |

Applied Optics, Vol. 53, Issue 12, pp. 2595-2601 (2014)

http://dx.doi.org/10.1364/AO.53.002595

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### Abstract

In this paper, we analyze the dynamic characteristics of quantum dot (QD) photonic crystal lasers by solving Maxwell equations coupled to rate equations through linear susceptibility of QDs. Here, we study the effects of the quality factor of the microcavity and temperature on the delay, relaxation oscillation frequency, and output intensity of the lasers. Moreover, we investigate the dependence of the Purcell factor on temperature. We show that when the quality factor of the microcavity is so high that we can consider its linewidth as a delta function in comparison with QDs, the Purcell factor significantly drops with increasing temperature.

© 2014 Optical Society of America

**OCIS Codes**

(140.3948) Lasers and laser optics : Microcavity devices

(230.5298) Optical devices : Photonic crystals

(250.5960) Optoelectronics : Semiconductor lasers

**ToC Category:**

Optical Devices

**History**

Original Manuscript: October 8, 2013

Revised Manuscript: January 21, 2014

Manuscript Accepted: March 7, 2014

Published: April 15, 2014

**Citation**

Mehdi Banihashemi and Vahid Ahmadi, "Dynamic characteristics of photonic crystal quantum dot lasers," Appl. Opt. **53**, 2595-2601 (2014)

http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-53-12-2595

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