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Paper Abstract and Keywords
Presentation 2010-06-25 15:45
Lasing Oscillation in High-Q Three-Dimensional Photonic Crystal Nanocavities
Aniwat Tandaechanurat, Satomi Ishida, Denis Guimard, Masahiro Nomura, Satoshi Iwamoto, Yasuhiko Arakawa (NanoQuine, Univ. of Tokyo) OPE2010-18 LQE2010-20 Link to ES Tech. Rep. Archives: OPE2010-18 LQE2010-20
Abstract (in Japanese) (See Japanese page) 
(in English) Three-dimensional photonic crystal (3D PhC) nanocavity is a key structure for realizing thresholdless lasers due to the existence of a complete photonic bandgap. However, all the 3D PhC cavities reported so far only demonstrate low quality (Q) factors, and the lasing oscillation has yet to be realized. We report here the fabrication of a 3D PhC nanocavity with a high-Q cavity mode, exhibiting a record Q factor of 38,500. Coupling this mode with quantum dots, we present the first demonstration of lasing oscillation in 3D PhC nanocavities under pulsed excitation at a low temperature. We show a systematic change in the laser characteristics, including the threshold and the spontaneous emission coupling factor by controlling the crystal size in the third dimension, which consequently changes the strength of photon confinement.
Keyword (in Japanese) (See Japanese page) 
(in English) Three-dimensional photonic crystal / Nanocavity / Q factor / Laser / Quantum dot / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 103, LQE2010-20, pp. 15-19, June 2010.
Paper # LQE2010-20 
Date of Issue 2010-06-18 (OPE, LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee OPE LQE  
Conference Date 2010-06-25 - 2010-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To LQE 
Conference Code 2010-06-OPE-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Lasing Oscillation in High-Q Three-Dimensional Photonic Crystal Nanocavities 
Sub Title (in English)  
Keyword(1) Three-dimensional photonic crystal  
Keyword(2) Nanocavity  
Keyword(3) Q factor  
Keyword(4) Laser  
Keyword(5) Quantum dot  
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Keyword(7)  
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1st Author's Name Aniwat Tandaechanurat  
1st Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
2nd Author's Name Satomi Ishida  
2nd Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
3rd Author's Name Denis Guimard  
3rd Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
4th Author's Name Masahiro Nomura  
4th Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
5th Author's Name Satoshi Iwamoto  
5th Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
6th Author's Name Yasuhiko Arakawa  
6th Author's Affiliation Institute for Nano Quantum Information Electronics, The University of Tokyo (NanoQuine, Univ. of Tokyo)
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Speaker Author-1 
Date Time 2010-06-25 15:45:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # OPE2010-18, LQE2010-20 
Volume (vol) vol.110 
Number (no) no.102(OPE), no.103(LQE) 
Page pp.15-19 
#Pages
Date of Issue 2010-06-18 (OPE, LQE) 


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