Numerical Analysis of Random Lasing Properties of a Waveguide Defect within a Random Structure
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概要
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We numerically examined the random lasing properties of a waveguide embedded in randomly distributed dielectric cylinders by employing a two-dimensional finite-difference time-domain method including rate equations. From the numerical results, we confirmed that, by optimizing the structure conditions, laser oscillations can be primarily induced in the long-lived modes bound in the waveguide and waveguide defects play important roles in manipulating the lasing properties of internal long-lived modes as well as the directional outputs via the waveguide in a random structure, even when multimode lasing occurs as a result of a high pumping rate.
- 2010-11-25
著者
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Fujiwara Hideki
Research Institute For Advanced Science And Technology Osaka Prefecture University
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Sasaki Keiji
Research Institute For Electronic Science Hokkaido University
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Fujiwara Hideki
Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan
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Ikeda Takumi
Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan
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