JP2012529074A - 光波をディジタル的に処理する方法およびディジタル平面ホログラフィに基づく集積平面光学装置 - Google Patents
光波をディジタル的に処理する方法およびディジタル平面ホログラフィに基づく集積平面光学装置 Download PDFInfo
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Abstract
【選択図】図1
Description
成されるfin(x,y,ω)およびfout(x,y,ω)の変化量で上述の式を修正す
る工程が含まれる。製造を容易にするには、関数Δn(x、y)を2値(2段階)関数、好ましくは類似または同一の要素の組成で置き換えるべきである。言い換えると、連続関数であるΔn=Δn(x、y)をΔn(x、y)の離散関数で置き換える必要がある。
Claims (17)
- 平面構造体を通過する光波をディジタル的に処理する方法であって、
前記平面構造体は既知の関数であるfin(x,y,ω)およびfout(x,y,ω)を有し、光伝搬/配光層と、前記光伝搬/配光層にホログラムパターンを有する複数の相互接続したパターン要素と、前記光伝搬/配光層上に所定のパターンで配列された複数の平面光学要素とからなり、
逆問題を解決する方法によって、既知の関数であるfin(x,y,ω)およびfout(x,y,ω)に基づき、ホログラムパターンを有する前記相互接続したパターン要素の位置と形状を計算するステップであって、前記相互接続したパターン要素は、前記光伝搬/配光層とは異なる屈折率を有する、ステップと、
前記計算の結果に基づいて、前記ホログラムパターンを有する前記相互接続したパターン要素を製造するステップと、
前記連続関数を、フーリエ級数展開の結果として、有限数(n,m、u,v)の値を提供することによりディジタル化するステップ:
(式中、knは到来波の波動ベクトルであり、ruは入射ポート番号uから現在点までの距離であり、kmは出射波の波動ベクトルであり、rvは出射ポート番号vから現在点までの距離である)と、
関数fin(x,y,ω)を関数fout(x,y,ω)へ変換するために、前記取得されたディジタル化平面ホログラムパターンを使用するステップとからなる、方法。 - 製造がマイクロリソグラフィとナノプリンティングから選択される方法によって行われる、請求項1に記載の方法。
- 前記計算ステップが、前記ホログラムパターンに従って前記平面構造体を通って伝搬する光ビームの方向および特性を制御するため、前記光伝搬/配光層の実効屈折率とは異なる、前記ホログラムパターンの相互接続パターン要素の実効屈折率を使用するために、前記平面構造体の実効屈折率をΔn(x、y)変化させるステップを含む、請求項1に記載の方法。
- 前記実効屈折率の変化Δn(x、y)が、製造を簡略化するため、2段階の2値関数によって近似される、請求項4に記載の方法。
- 前記ホログラムパターンの相互接続パターン要素が、長方形ダッシュの形に作られる、請求項5に記載の方法。
- 前記平面光学要素が、平面レーザーダイオード、平面半導体増幅器および平面半導体受光部から選択される、請求項5に記載の方法。
- ディジタル平面ホログラフィに基づくホログラムパターンを有する集積平面光学装置であって、半導体基板と、前記半導体基板によって支持される下部クラッド層と、前記半導体基板によって支持される複数の平面光学要素と、光伝搬/配光層であり、前記下部クラッド層により支持され、前記平面光学要素への光およびそれからの光を伝搬する能力のある光伝搬/配光層と、ホログラムパターンの相互接続パターン要素であり、前記光伝搬/配光層に位置し、前記ホログラムパターンに従って前記平面光学要素へ伝搬される光ビームおよびそれから伝搬される光ビームの特性および方向を制御するための相互接続パターン要素とからなり、前記光伝搬/配光層は第一の屈折率および第二の屈折率を有し、前記光ビームの特性および方向を決定するため、前記第一の屈折率と前記第二の屈折率は異なっていることを特徴とする、集積平面光学装置。
- 前記平面光学要素が、平面レーザーダイオード、平面半導体増幅器および平面半導体受光部から選択される、請求項8に記載の集積平面光学装置。
- ホログラムパターンの相互接続パターン要素が、マイクロリソグラフィおよびナノプリンティングから選択される方法によって製造される、請求項8に記載の集積平面光学装置。
- ホログラムパターンの相互接続パターン要素が、マイクロリソグラフィおよびナノプリンティングから選択される方法によって製造される、請求項10に記載の集積平面光学装置。
- ホログラムパターンの相互接続パターン要素が、マイクロリソグラフィおよびナノプリンティングから選択される方法によって製造される、請求項11に記載の集積平面光学装置。
- 前記ホログラムパターンの相互接続パターン要素は、長方形ダッシュの形で作られる、請求項14に記載の集積平面光学装置。
- 前記ホログラムパターンの相互接続パターン要素は、長方形ダッシュの形で作られる、請求項10に記載の集積平面光学装置。
- 前記ホログラムパターンの相互接続パターン要素は、長方形ダッシュの形で作られる、請求項16に記載の集積平面光学装置。
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PCT/US2009/003342 WO2010140997A1 (en) | 2009-06-02 | 2009-06-02 | An integrated planar optical device based on digital planar holography |
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EP (1) | EP2438480B8 (ja) |
JP (1) | JP5589066B2 (ja) |
KR (1) | KR20120030418A (ja) |
CN (1) | CN102460243B (ja) |
CA (1) | CA2763463A1 (ja) |
WO (1) | WO2010140997A1 (ja) |
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US9091806B2 (en) * | 2012-04-05 | 2015-07-28 | Oracle International Corporation | Surface-normal optical coupling using a holographic recording material |
WO2017188941A1 (en) | 2016-04-27 | 2017-11-02 | Halliburton Energy Services, Inc. | Digital 2d holographic spectrometer for material characterization |
Citations (7)
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JP2002511952A (ja) * | 1997-05-16 | 2002-04-16 | ビーティージー・インターナショナル・リミテッド | 光デバイス及びその形成方法 |
JP2003279764A (ja) * | 2002-03-26 | 2003-10-02 | Japan Science & Technology Corp | 2次元フォトニック結晶光分合波器 |
US20030210862A1 (en) * | 2002-05-07 | 2003-11-13 | Vladimir Yankov | Plana holographic multiplexer/demultiplexer utilizing photonic bandgap quasi-crystals with low intrinsic loss and flat top passband |
JP2005501287A (ja) * | 2001-08-27 | 2005-01-13 | ライトスミス,インコーポレーテッド | 分散光学構造における振幅および位相の制御 |
US20060233493A1 (en) * | 2000-03-16 | 2006-10-19 | Lightsmyth Technologies Inc. | Holographic spectral filter |
WO2007059847A1 (de) * | 2005-11-28 | 2007-05-31 | Leica Geosystems Ag | Zieltafel zum positionieren von bauelementen |
US20090190195A1 (en) * | 2008-01-28 | 2009-07-30 | Nano-Optic Devices, Llc | Method of digitally processing optical waves and an integrated planar optical device based on digital planar holography |
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JP2000148054A (ja) * | 1998-11-18 | 2000-05-26 | Lucky San:Kk | ディスプレー窓 |
JP3585781B2 (ja) * | 1999-08-31 | 2004-11-04 | 株式会社東芝 | 立体表示装置 |
US6760359B2 (en) * | 2000-04-28 | 2004-07-06 | Photodigm, Inc. | Grating-outcoupled surface-emitting lasers with flared gain regions |
JP3908241B2 (ja) * | 2004-06-24 | 2007-04-25 | オリンパス株式会社 | 映像表示装置 |
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- 2009-06-02 WO PCT/US2009/003342 patent/WO2010140997A1/en active Application Filing
- 2009-06-02 CN CN200980159652.7A patent/CN102460243B/zh not_active Expired - Fee Related
- 2009-06-02 JP JP2012513910A patent/JP5589066B2/ja not_active Expired - Fee Related
- 2009-06-02 KR KR1020117029900A patent/KR20120030418A/ko not_active Application Discontinuation
- 2009-06-02 CA CA2763463A patent/CA2763463A1/en not_active Abandoned
- 2009-06-02 EP EP09845621.3A patent/EP2438480B8/en not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002511952A (ja) * | 1997-05-16 | 2002-04-16 | ビーティージー・インターナショナル・リミテッド | 光デバイス及びその形成方法 |
US20060233493A1 (en) * | 2000-03-16 | 2006-10-19 | Lightsmyth Technologies Inc. | Holographic spectral filter |
JP2005501287A (ja) * | 2001-08-27 | 2005-01-13 | ライトスミス,インコーポレーテッド | 分散光学構造における振幅および位相の制御 |
JP2003279764A (ja) * | 2002-03-26 | 2003-10-02 | Japan Science & Technology Corp | 2次元フォトニック結晶光分合波器 |
US20030210862A1 (en) * | 2002-05-07 | 2003-11-13 | Vladimir Yankov | Plana holographic multiplexer/demultiplexer utilizing photonic bandgap quasi-crystals with low intrinsic loss and flat top passband |
WO2007059847A1 (de) * | 2005-11-28 | 2007-05-31 | Leica Geosystems Ag | Zieltafel zum positionieren von bauelementen |
US20090190195A1 (en) * | 2008-01-28 | 2009-07-30 | Nano-Optic Devices, Llc | Method of digitally processing optical waves and an integrated planar optical device based on digital planar holography |
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WO2010140997A1 (en) | 2010-12-09 |
CA2763463A1 (en) | 2010-12-09 |
EP2438480A4 (en) | 2012-10-17 |
EP2438480B8 (en) | 2015-07-08 |
CN102460243B (zh) | 2015-01-14 |
KR20120030418A (ko) | 2012-03-28 |
EP2438480B1 (en) | 2015-05-06 |
CN102460243A (zh) | 2012-05-16 |
EP2438480A1 (en) | 2012-04-11 |
JP5589066B2 (ja) | 2014-09-10 |
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