JP2017514166A - 2×1光スイッチのオフ状態モニタリングのための、統合されたフォトダイオードを有する2×1mmiのための装置および方法 - Google Patents
2×1光スイッチのオフ状態モニタリングのための、統合されたフォトダイオードを有する2×1mmiのための装置および方法 Download PDFInfo
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- JP2017514166A JP2017514166A JP2016560709A JP2016560709A JP2017514166A JP 2017514166 A JP2017514166 A JP 2017514166A JP 2016560709 A JP2016560709 A JP 2016560709A JP 2016560709 A JP2016560709 A JP 2016560709A JP 2017514166 A JP2017514166 A JP 2017514166A
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- Prior art keywords
- waveguide
- photodetector
- output waveguide
- optical switch
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- 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
- G02B6/29344—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 modal interference or beating, i.e. of transverse modes, e.g. zero-gap directional coupler, MMI
-
- 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
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/125—Bends, branchings or intersections
-
- 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
- G02B6/2813—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs based on multimode interference effect, i.e. self-imaging
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3136—Digital deflection, i.e. optical switching in an optical waveguide structure of interferometric switch type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Integrated Circuits (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
Claims (21)
- 出力導波路に一緒に結合された2つの入力導波路を備える2×1マルチモード干渉計(MMI)カプラと、
前記入力導波路のうちの第1の導波路の縁部に結合され、前記出力導波路の側面の隣に位置決めされた光検出器と
を備えることを特徴とする光スイッチ。 - 前記2つの入力導波路のうちの第2の導波路の縁部に結合され、前記光検出器の反対側で前記出力導波路の第2の側面の隣に位置決めされた第2の光検出器をさらに備えることを特徴とする請求項1に記載の光スイッチ。
- 前記光検出器は、ゲルマニウム光検出器であることを特徴とする請求項1に記載の光スイッチ。
- 前記光スイッチは、前記出力導波路においてパワータップを備えないことを特徴とする請求項1に記載の光スイッチ。
- 前記光スイッチは、前記出力導波路に結合された別の光検出器を備えないことを特徴とする請求項1に記載の光スイッチ。
- 前記光検出器は、前記出力導波路の長さに沿って前記出力導波路からの分離が増していく先細の側面を有することを特徴とする請求項1に記載の光スイッチ。
- 前記光検出器は、前記第1の導波路および前記光検出器の横方向の寸法よりも実質的に大きい横方向の寸法を有し、前記横方向の寸法は、前記光スイッチのオフ状態動作において前記第1の導波路から前記光検出器への光結合効率を最大限にする長さを有することを特徴とする請求項1に記載の光スイッチ。
- 前記光検出器は、前記2×1MMIカプラと同じ平面上にあることを特徴とする請求項1に記載の光スイッチ。
- 前記光検出器は、前記2×1MMIカプラと同じ平面におけるシリコン層の上にあることを特徴とする請求項1に記載の光スイッチ。
- 相互に平行な2つの入力導波路と、
前記2つの入力導波路に結合された出力導波路と、
前記2つの入力導波路のうちの第1の導波路に結合され、前記出力導波路の隣に位置決めされた光検出器と、
前記第1の導波路から前記光検出器中に延びる分岐導波路と
を備えることを特徴とする光チップ。 - 前記2つの入力導波路のうちの第2の導波路に結合され、前記光検出器の反対側で前記出力導波路の隣に位置決めされた第2の光検出器と、
前記第2の導波路から前記第2の光検出器中に延びる第2の分岐導波路と
をさらに備えることを特徴とする請求項10に記載の光チップ。 - 前記分岐導波路は、先細であり、前記光検出器の内部でより狭い端部を有することを特徴とする請求項10に記載の光チップ。
- 前記分岐導波路は、前記出力導波路に対する角度で前記光検出器中で延長されることを特徴とする請求項10に記載の光チップ。
- 前記角度は、前記光チップのオフ状態動作において前記第1の導波路から前記光検出器中への光結合効率を最大限にすることを特徴とする請求項10に記載の光チップ。
- 前記光検出器は、前記第1の導波路の横方向の寸法よりも実質的に大きい横方向の寸法を有することを特徴とする請求項10に記載の光チップ。
- 前記光検出器は、前記出力導波路の長さに沿って前記出力導波路からの分離が増していく先細の側面を有することを特徴とする請求項10に記載の光チップ。
- 光スイッチを作製する方法であって、
出力導波路に一緒に結合された2つの入力導波路を備える2×1マルチモード干渉計(MMI)カプラを、リソグラフィプロセスを使用して基板上に形成するステップと、
前記入力導波路のうちの第1の導波路の縁部に隣接する光検出器を、前記出力導波路の側面の隣に形成するステップと
を含むことを特徴とする方法。 - 前記第1の導波路から前記光検出器中に延びる分岐導波路を形成するステップをさらに含むことを特徴とする請求項17に記載の方法。
- 前記2つの入力導波路のうちの第2の導波路の縁部に結合された第2の光検出器を、前記光検出器の反対側で前記出力導波路の第2の側面の隣に形成するステップと、
前記第2の導波路から前記第2の光検出器中に延びる第2の分岐導波路を形成するステップと
をさらに含むことを特徴とする請求項17に記載の方法。 - 前記光検出器は、前記リソグラフィプロセスを使用して前記基板上に形成されることを特徴とする請求項17に記載の方法。
- 前記形成するステップは、前記2×1MMIカプラを有する平面に整合されたシリコン層の上にゲルマニウム層を成長させるステップを含むことを特徴とする請求項17に記載の方法。
Applications Claiming Priority (3)
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---|---|---|---|
US14/245,481 | 2014-04-04 | ||
US14/245,481 US9684131B2 (en) | 2014-04-04 | 2014-04-04 | Apparatus and method for an optical switch having a 2×1 multi-mode interferometer and photodetector |
PCT/CN2015/075894 WO2015149722A2 (en) | 2014-04-04 | 2015-04-03 | Apparatus and method for 2x1 mmi with integrated photodiode for off-state monitoring of 2x1 optical switch |
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JP2017514166A true JP2017514166A (ja) | 2017-06-01 |
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JP2016560709A Pending JP2017514166A (ja) | 2014-04-04 | 2015-04-03 | 2×1光スイッチのオフ状態モニタリングのための、統合されたフォトダイオードを有する2×1mmiのための装置および方法 |
Country Status (5)
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US (1) | US9684131B2 (ja) |
EP (1) | EP3114513B1 (ja) |
JP (1) | JP2017514166A (ja) |
CN (1) | CN105637396B (ja) |
WO (1) | WO2015149722A2 (ja) |
Families Citing this family (5)
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WO2017031072A1 (en) * | 2015-08-14 | 2017-02-23 | Skorpios Technologies, Inc. | Broadband high-speed wavelength-division multiplexed receiver using multiple photodetectors per channel |
CN105842786B (zh) * | 2016-05-25 | 2018-10-16 | 电子科技大学 | 双端输入大功率高速方向耦合光波导探测系统 |
US11049851B2 (en) * | 2017-06-08 | 2021-06-29 | Luxtera Llc | Method and system for selectively illuminated integrated photodetectors with configured launching and adaptive junction profile for bandwidth improvement |
CN114927595A (zh) * | 2022-03-30 | 2022-08-19 | 中国科学院上海微系统与信息技术研究所 | 一种对输入模式不敏感的波导型高响应探测器 |
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- 2015-04-03 WO PCT/CN2015/075894 patent/WO2015149722A2/en active Application Filing
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WO2015149722A2 (en) | 2015-10-08 |
US20150286005A1 (en) | 2015-10-08 |
EP3114513B1 (en) | 2020-11-04 |
EP3114513A4 (en) | 2017-03-15 |
EP3114513A2 (en) | 2017-01-11 |
US9684131B2 (en) | 2017-06-20 |
WO2015149722A3 (en) | 2016-01-14 |
CN105637396A (zh) | 2016-06-01 |
CN105637396B (zh) | 2019-11-26 |
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