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