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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3970–3977

Numerical analysis of resonant and lasing properties at a defect region within a random structure

Hideki Fujiwara, Yosuke Hamabata, and Keiji Sasaki  »View Author Affiliations


Optics Express, Vol. 17, Issue 5, pp. 3970-3977 (2009)
http://dx.doi.org/10.1364/OE.17.003970


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Abstract

We propose a simple structure for manipulating resonant conditions in random structures, in which a “defect” region where no scatterer is set is deliberately made in the structure. By employing a two-dimensional finite-difference time-domain method including rate equations, we examine the resonant and lasing properties observed at the defect region by changing the filling factor of scatterers. From the numerical results, we confirm that a distinct localized spot at the defect can be realized by determining an optimal filling factor and scatterer size and selecting the appropriate defect size.

© 2009 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(290.4210) Scattering : Multiple scattering
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 21, 2009
Revised Manuscript: February 20, 2009
Manuscript Accepted: February 26, 2009
Published: February 27, 2009

Citation
Hideki Fujiwara, Yosuke Hamabata, and Keiji Sasaki, "Numerical analysis of resonant and lasing properties at a defect region within a random structure," Opt. Express 17, 3970-3977 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-3970


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