## Efficient analysis of mode profiles in elliptical microcavity using dynamic-thermal electron-quantum medium FDTD method |

Optics Express, Vol. 21, Issue 5, pp. 5910-5923 (2013)

http://dx.doi.org/10.1364/OE.21.005910

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### Abstract

The dynamic-thermal electron-quantum medium finite-difference time-domain (DTEQM-FDTD) method is used for efficient analysis of mode profile in elliptical microcavity. The resonance peak of the elliptical microcavity is studied by varying the length ratio. It is observed that at some length ratios, cavity mode is excited instead of whispering gallery mode. This depicts that mode profiles are length ratio dependent. Through the implementation of the DTEQM-FDTD on graphic processing unit (GPU), the simulation time is reduced by 300 times as compared to the CPU. This leads to an efficient optimization approach to design microcavity lasers for wide range of applications in photonic integrated circuits.

© 2013 OSA

**OCIS Codes**

(140.0140) Lasers and laser optics : Lasers and laser optics

(200.4960) Optics in computing : Parallel processing

(140.3948) Lasers and laser optics : Microcavity devices

(250.5960) Optoelectronics : Semiconductor lasers

**ToC Category:**

Lasers and Laser Optics

**History**

Original Manuscript: August 31, 2012

Revised Manuscript: October 25, 2012

Manuscript Accepted: October 25, 2012

Published: March 4, 2013

**Citation**

E. H. Khoo, I. Ahmed, R. S. M. Goh, K. H. Lee, T. G. G. Hung, and E. P. Li, "Efficient analysis of mode profiles in elliptical microcavity using dynamic-thermal electron-quantum medium FDTD method," Opt. Express **21**, 5910-5923 (2013)

http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-5-5910

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