JP4133984B2 - ナノフォトニックデバイス - Google Patents
ナノフォトニックデバイス Download PDFInfo
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- JP4133984B2 JP4133984B2 JP2004265880A JP2004265880A JP4133984B2 JP 4133984 B2 JP4133984 B2 JP 4133984B2 JP 2004265880 A JP2004265880 A JP 2004265880A JP 2004265880 A JP2004265880 A JP 2004265880A JP 4133984 B2 JP4133984 B2 JP 4133984B2
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- quantum
- quantum dot
- quantum dots
- light
- excitons
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Description
E(nx,ny,nz)=h2/8π2m(π/L)2(nx 2+ny 2+nz 2)・・・・・(1)
この式(1)に基づき、各量子ドット12,13のE(nx,ny,nz)を計算する。ここで第1の量子ドット12と、第2の量子ドット13との辺長比が、およそ1:√2であるとき、図2に示すように、第1の量子ドット12における量子準位が(1,1,1)であるときのE(111)と、第2の量子ドット13における量子準位が(2,1,1)であるときのE(211)とが等しくなる。即ち、第1の量子ドット11の量子準位(1,1,1)と、第2の量子ドット13における量子準位(2,1,1)は、それぞれ励起子の励起エネルギー準位が共鳴する関係にある。実際これらの間で共鳴を起こさせるためには、第1の量子ドット11における量子準位(1,1,1)に対応する周波数ω1の光Aを供給することにより、かかる量子準位へ励起子を励起させることができる。
Claims (2)
- 誘電性の結晶により構成される基板上に複数の量子ドットを形成させたナノフォトニックデバイスにおいて、
供給される搬送波の波長に応じて励起子が励起される第1のエネルギー準位を有する第1の量子ドットと、上記第1の量子ドットより大体積であり、上記第1のエネルギー準位との共鳴に応じて上記第1の量子ドットから励起子が注入される第2のエネルギー準位を有する第2の量子ドットとが上記基板上に形成され、
上記第1の量子ドットと第2の量子ドットの少なくとも一方の量子ドットは、間接遷移型半導体で構成されてなること
を特徴とするナノフォトニックデバイス。 - 上記第1の量子ドットと第2の量子ドットが間接遷移型半導体で構成されてなること
を特徴とする請求項1記載のナノフォトニックデバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004265880A JP4133984B2 (ja) | 2004-09-13 | 2004-09-13 | ナノフォトニックデバイス |
Applications Claiming Priority (1)
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JP2004265880A JP4133984B2 (ja) | 2004-09-13 | 2004-09-13 | ナノフォトニックデバイス |
Publications (2)
Publication Number | Publication Date |
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JP2006080459A JP2006080459A (ja) | 2006-03-23 |
JP4133984B2 true JP4133984B2 (ja) | 2008-08-13 |
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JP2004265880A Expired - Fee Related JP4133984B2 (ja) | 2004-09-13 | 2004-09-13 | ナノフォトニックデバイス |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102589324B1 (ko) * | 2022-12-22 | 2023-10-13 | 포항공과대학교 산학협력단 | 광학 신호 기록 방법 및 매체 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4621895B2 (ja) * | 2006-07-14 | 2011-01-26 | 国立大学法人 東京大学 | アクセス記録可能な光メモリ |
JP5735015B2 (ja) * | 2011-02-18 | 2015-06-17 | パイオニア株式会社 | 近接場光デバイス、それを用いた記録装置、および、記録方法 |
WO2012111150A1 (ja) | 2011-02-18 | 2012-08-23 | パイオニア株式会社 | 近接場光デバイス及びエネルギー移動の制御方法 |
JP2013038227A (ja) * | 2011-08-08 | 2013-02-21 | Pioneer Electronic Corp | 近接場光デバイス |
US20150043318A1 (en) * | 2011-09-26 | 2015-02-12 | Pioneer Micro Technology Corporation | Reader, and reproducing apparatus and recording / reproducing apparatus |
JP5736051B2 (ja) * | 2011-09-26 | 2015-06-17 | パイオニア株式会社 | 近接場光デバイス、記録装置及びサンプル基板 |
WO2014024306A1 (ja) * | 2012-08-10 | 2014-02-13 | パイオニア株式会社 | 近接場光デバイス及びシステム |
-
2004
- 2004-09-13 JP JP2004265880A patent/JP4133984B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102589324B1 (ko) * | 2022-12-22 | 2023-10-13 | 포항공과대학교 산학협력단 | 광학 신호 기록 방법 및 매체 |
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JP2006080459A (ja) | 2006-03-23 |
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