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Paper Abstract and Keywords
Presentation 2008-06-27 11:00
All optical memory based on compound-semiconductor photonic crystal nanocavity
Akihiko Shinya, Shinji Matsuo, Yosia, Takasumi Tanabe, Eiichi Kuramochi, Tomonari Sato, Takaaki Kakitsuka, Kouta Tateno, Takehiko Tawara, Masaya Notomi (NTT) OPE2008-21 LQE2008-22 Link to ES Tech. Rep. Archives: OPE2008-21 LQE2008-22
Abstract (in Japanese) (See Japanese page) 
(in English) We have focused on an ultra small nanocavitiy in 2D photonic crystal (PhC) platform and realized an all-optical bistable memory on a Si based PhC operating with very low power. However, it is very difficult to achieve a long memory time for a Si based PhC owing to the accumulated heat in the cavity. To solve this problem, we developed ultra high Q AlGaAs and InGaAsP based PhC nanocavitis. Their Q factors are 690,000 and 130,000 respectively, which are highest Q factor ever reported. The memory time of AlGaAs-PhC cavity is conceptually infinity. As for the InGaAsP-PhC, the longest memory time is 150 ns and minimum bias power for bistability and switching ON energy are extremely low at 40uW and 30 fJ, respectively.
Keyword (in Japanese) (See Japanese page) 
(in English) Photonic crystal / resonator / all-optical memory / photonic integrated circuit / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 114, LQE2008-22, pp. 17-20, June 2008.
Paper # LQE2008-22 
Date of Issue 2008-06-20 (OPE, LQE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF OPE2008-21 LQE2008-22 Link to ES Tech. Rep. Archives: OPE2008-21 LQE2008-22

Conference Information
Committee OPE LQE  
Conference Date 2008-06-27 - 2008-06-27 
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 2008-06-OPE-LQE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) All optical memory based on compound-semiconductor photonic crystal nanocavity 
Sub Title (in English)  
Keyword(1) Photonic crystal  
Keyword(2) resonator  
Keyword(3) all-optical memory  
Keyword(4) photonic integrated circuit  
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1st Author's Name Akihiko Shinya  
1st Author's Affiliation NTT Basic Research Laboratories (NTT)
2nd Author's Name Shinji Matsuo  
2nd Author's Affiliation NTT Photonics Laboratories (NTT)
3rd Author's Name Yosia  
3rd Author's Affiliation NTT Basic Research Laboratories (NTT)
4th Author's Name Takasumi Tanabe  
4th Author's Affiliation NTT Basic Research Laboratories (NTT)
5th Author's Name Eiichi Kuramochi  
5th Author's Affiliation NTT Basic Research Laboratories (NTT)
6th Author's Name Tomonari Sato  
6th Author's Affiliation NTT Photonics Laboratories (NTT)
7th Author's Name Takaaki Kakitsuka  
7th Author's Affiliation NTT Photonics Laboratories (NTT)
8th Author's Name Kouta Tateno  
8th Author's Affiliation NTT Basic Research Laboratories (NTT)
9th Author's Name Takehiko Tawara  
9th Author's Affiliation NTT Basic Research Laboratories (NTT)
10th Author's Name Masaya Notomi  
10th Author's Affiliation NTT Basic Research Laboratories (NTT)
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Speaker Author-1 
Date Time 2008-06-27 11:00:00 
Presentation Time 25 minutes 
Registration for LQE 
Paper # OPE2008-21, LQE2008-22 
Volume (vol) vol.108 
Number (no) no.113(OPE), no.114(LQE) 
Page pp.17-20 
#Pages
Date of Issue 2008-06-20 (OPE, LQE) 


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