Presentation 2015-01-23
Radiation patterns of lasing light based on Quasi-whispering-gallery-mode in thin hexagonal GaN microdisk
Tetsuya Kouno, Sho Suzuki, Masaru Sakai, Katsumi Kishino, Kazuhiko Hara,
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Abstract(in English) The thin hexagonal GaN microdisks with the side length and thickness of approximately 1.5 μm and 250 nm, respectively, were fabricated via crystal growth of radio-frequency plasma-assisted molecular beam epitaxy. The microdisk exhibited optically pumped lasing action based on whispering-gallery-mode (WGM)-type resonant system. The radiation patterns of the lasing light was investigated by a room-temperature photoluminescence measurement and a numerical approach using three-dimensional finite difference time domain method. The results showed that the resonant light based on the quasi-WGM rotated in one direction.
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Keyword(in English) GaN / microdisk / whispering gallery mode
Paper # EID2014-54
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Committee EID
Conference Date 2015/1/15(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Radiation patterns of lasing light based on Quasi-whispering-gallery-mode in thin hexagonal GaN microdisk
Sub Title (in English)
Keyword(1) GaN
Keyword(2) microdisk
Keyword(3) whispering gallery mode
1st Author's Name Tetsuya Kouno
1st Author's Affiliation Shizuoka University()
2nd Author's Name Sho Suzuki
2nd Author's Affiliation Shizuoka University
3rd Author's Name Masaru Sakai
3rd Author's Affiliation University of Yamanashi
4th Author's Name Katsumi Kishino
4th Author's Affiliation Sophia University
5th Author's Name Kazuhiko Hara
5th Author's Affiliation Shizuoka University
Date 2015-01-23
Paper # EID2014-54
Volume (vol) vol.114
Number (no) 407
Page pp.pp.-
#Pages 3
Date of Issue