JP5559358B2 - 導波路格子結合器を有する光集積回路 - Google Patents
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00663—Production of light guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12002—Three-dimensional structures
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/124—Geodesic lenses or integrated gratings
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
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- G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
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- G02B6/24—Coupling light guides
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- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
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Description
Claims (9)
- 基板上に、第1のコア層、第1のクラッド層、第2のクラッド層、第2のコア層、および第3のクラッド層を順次有する多層構造からなる装置であって、
前記第1のクラッド層は、第1の材料からなり、
前記第2のクラッド層は、くさび形状部分を有し、前記第1の材料と異なる第2の材料からなり、
該装置は、
第1のコアと第1のクラッドからなり、前記第1のコアが前記第1のコア層の一部を含み、前記第1のクラッドが前記基板の一部と前記第1のクラッド層の一部を含む第1の光導波路と、
第2のコアと第2のクラッドからなり、前記第2のコアが前記第2のコア層の一部を含み、前記第2のクラッドが前記第2のクラッド層の少なくとも前記くさび形状部分と前記第3のクラッド層の一部を含む第2の光導波路と、
前記第1のクラッド層の一部を含み、前記第1および第2の導波路に光学的に結合された光結合器と、
前記第2のコア層の一部を含む導波路格子とを備え、
前記導波路格子が、前記第2の導波路の1つまたは複数の導波路モードと、前記導波路格子によって形成されるか、または前記導波路格子に入射される光ビームとの間で、光パワーを伝達するように構成された装置。 - 前記第2の光導波路の屈折率のコントラストが、前記第1の光導波路の屈折率のコントラストよりも大きく、
前記第1の光導波路の前記第1のコアが、3成分、4成分、または5成分のIII−V族の合金を含み、
前記第1の光導波路の前記第1のクラッドが、2成分のIII−V族化合物を含み、
前記第2の光導波路の前記第2のコアが、ケイ素を含み、
前記第2の光導波路の前記第2のクラッドが、酸化ケイ素を含む、請求項1に記載の装置。 - 前記光結合器が、エバネッセント場を介して、前記第1の光導波路と前記第2の光導波路を結合する、請求項1に記載の装置。
- 前記光結合器は、前記第1の光導波路と前記第2の光導波路の間で、1回または複数回、光エネルギーが空間的に振動するような長さを有する、請求項3に記載の装置。
- 前記第2の光導波路の前記第2のコアが、
前記基板の主平面に実質的に平行な第1の部分と、
前記第2のクラッド層のくさび形状部分に沿った第2の部分と、
前記基板の主平面に実質的に平行で、基板との距離が前記第1の部分より大きい第3の部分とを備え、
前記第2の部分が、前記第1の部分と前記第3の部分との間を接続し、前記導波路格子が前記第3の部分に画定される、請求項1に記載の装置。 - 前記第2のコアの前記第3の部分と、前記第1のクラッド層と前記第2のクラッド層の界面との距離が、(i)前記導波路格子によって回折されて前記界面に向かい、次いで前記界面から反射して戻る光と、(ii)前記反射して戻る光の伝搬方向と同一方向に前記導波路格子によって回折される光との間で、干渉を強め合うような距離である、請求項5に記載の装置。
- 前記第1の光導波路の前記第1のコアが、前記光結合器に接続され横方向にテーパ付けされた部分を備え、
前記装置がさらに、前記基板上に支持された光信号処理(OSP)回路を備え、前記第1の光導波路が、前記OSP回路に光学的に結合し、
前記OSP回路が、少なくとも1つのアクティブ光素子を備え、
前記第1および第2の光導波路、前記導波路格子、および前記OSP回路が、前記基板上に形成された光集積回路(PIC)の部品である、請求項1に記載の装置。 - 請求項1に記載の装置と、
前記基板上に支持され、少なくとも1つのアクティブ光素子を有する光信号処理(OSP)回路とを備え、
前記アクティブ光素子に前記第1の光導波路が光学的に結合された、光集積回路(PIC)。 - 請求項1に記載の装置を製造する方法であって、
前記第1の光導波路を設けた前記基板を用意するステップと、
前記第1の光導波路の上に前記くさび形状部分を有する前記第2のクラッド層を形成するステップと、
前記くさび状部分を有する前記第2のクラッド層の上に前記第2のコア層を形成するステップと、
前記第2のコア層内に一連の空洞を形成して、前記導波路格子を画定するステップと、を含み、前記第2のクラッド層を形成するステップが、
前記第1の光導波路の上に前記第2のクラッド層の材料の層を形成するステップ、および
前記第2のクラッド層の材料の層にウェット・エッチング処理を施して、前記くさび状部分を形成するステップを含む、方法。
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Application Number | Priority Date | Filing Date | Title |
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US12/640,151 US8494315B2 (en) | 2009-12-17 | 2009-12-17 | Photonic integrated circuit having a waveguide-grating coupler |
US12/640,151 | 2009-12-17 | ||
PCT/US2010/060659 WO2011084557A2 (en) | 2009-12-17 | 2010-12-16 | Photonic integrated circuit having a waveguide-grating coupler |
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JP2013514555A JP2013514555A (ja) | 2013-04-25 |
JP5559358B2 true JP5559358B2 (ja) | 2014-07-23 |
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US (2) | US8494315B2 (ja) |
EP (1) | EP2513693B1 (ja) |
JP (1) | JP5559358B2 (ja) |
KR (1) | KR101435731B1 (ja) |
CN (1) | CN102656494B (ja) |
MY (1) | MY157843A (ja) |
SG (1) | SG181649A1 (ja) |
WO (1) | WO2011084557A2 (ja) |
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JP2013514555A (ja) | 2013-04-25 |
US20110150386A1 (en) | 2011-06-23 |
US20130277331A1 (en) | 2013-10-24 |
SG181649A1 (en) | 2012-07-30 |
WO2011084557A2 (en) | 2011-07-14 |
MY157843A (en) | 2016-07-29 |
US8750654B2 (en) | 2014-06-10 |
EP2513693A2 (en) | 2012-10-24 |
WO2011084557A3 (en) | 2011-10-27 |
CN102656494A (zh) | 2012-09-05 |
KR101435731B1 (ko) | 2014-09-01 |
US8494315B2 (en) | 2013-07-23 |
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KR20120085907A (ko) | 2012-08-01 |
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