JP2018530011A - バイフォトンの調整可能な光源 - Google Patents
バイフォトンの調整可能な光源 Download PDFInfo
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Classifications
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- 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
- G02F1/35—Non-linear optics
- G02F1/3526—Non-linear optics using two-photon emission or absorption processes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
-
- 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
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/70—Photonic quantum communication
-
- 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
- G02F1/01—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 intensity, phase, polarisation or colour
- G02F1/21—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 intensity, phase, polarisation or colour by interference
- G02F1/212—Mach-Zehnder type
-
- 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
- G02F1/35—Non-linear optics
- G02F1/3501—Constructional details or arrangements of non-linear optical devices, e.g. shape of non-linear crystals
- G02F1/3503—Structural association of optical elements, e.g. lenses, with the non-linear optical device
-
- 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
- G02F1/35—Non-linear optics
- G02F1/3501—Constructional details or arrangements of non-linear optical devices, e.g. shape of non-linear crystals
- G02F1/3505—Coatings; Housings; Supports
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
本出願は、2015年10月5日に出願された米国仮特許出願第62/237,436号の利益を主張するものであり、その全開示内容は図面を含めて参照により本明細書に組み込まれる。
第1の面と、第1の面に平行な第2の面と、第1および第2の面に垂直な第1の軸とを含む非線形結晶要素と、
結晶を機械的に支持し、結晶と結晶ホルダとの間に熱コンジットを提供するように構成された結晶ホルダと、
結晶ホルダに取り付けられ、結晶ホルダおよび非線形結晶要素を加熱および/または冷却するように構成された熱要素と、
結晶ホルダに動作可能に接続され、結晶ホルダおよび/または非線形結晶要素の温度を測定するように構成された熱センサと、
熱センサおよび熱要素に動作可能に接続され、結晶ホルダの温度を摂氏+/−0.1度以内に制御するように構成された熱制御回路と、
結晶ホルダを残りの装置部品から熱的に隔離しながら結晶ホルダを機械的に支持するように構成された結晶ホルダマウントと、
偏光保持光ファイバの直線偏光出力から集束ポンプビームを生成し、生成されたポンプビームの第1の軸に対する位置の水平移動調整を提供するように構成されたポンプ集束光学部品であって、ポンプビームは、第1の軸に沿って第1の光路を非線形結晶要素の第1の面にわたり、非線形結晶要素は、ポンプビーム内の光子のサブセットの下方変換を提供し、第1の軸に沿って、下方変換されたバイフォトンのビームと、下方変換されない光子のビームをもたらす、ポンプ集束光学部品と、
第1の軸に沿って非線形結晶要素の第2の面から出る光子を受け取り、下方変換されたバイフォトンを第1の軸に沿って第3の光路に向け、下方変換されない光子を第3の軸に沿って第4の光路に反射するように構成されたダイクロイックリフレクタを含む光学要素と、
下方変換された光子を光ファイバに集め、光ファイバの光軸を第1の軸に対して調整するように構成されたバイフォトン集束光学部品とを含む。
Claims (17)
- バイフォトンを生成する装置であって、
第1の面と、前記第1の面に平行な第2の面と、前記第1および第2の面に垂直な第1の軸とを含む非線形結晶要素と、
前記結晶を機械的に支持し、前記結晶と前記結晶ホルダとの間に熱コンジットを提供するように構成された結晶ホルダと、
前記結晶ホルダに動作可能に接続され、前記結晶ホルダおよび前記非線形結晶要素を加熱および/または冷却する熱要素と、
前記結晶ホルダに動作可能に接続され、前記結晶ホルダおよび/または前記非線形結晶要素の温度を測定するように構成された熱センサと、
前記熱センサおよび前記熱要素に動作可能に接続され、前記結晶ホルダの温度を摂氏+/−0.1度以内に制御するように構成された熱制御回路と、
前記結晶ホルダを機械的に支持し、前記結晶ホルダを残りの装置部品から熱的に隔離するように構成された結晶ホルダマウントと、
偏光保持光ファイバの前記直線偏光出力から集束ポンプビームを生成し、前記生成されたポンプビームの前記第1の軸に対する位置の水平移動調整を提供するように構成されたポンプ集束光学部品であって、前記ポンプビームは、前記第1の軸に沿って第1の光路を前記非線形結晶要素の第1の面にわたり、前記非線形結晶要素は、前記ポンプビーム内の光子のサブセットの下方変換を提供し、前記第1の軸に沿って、下方変換されたバイフォトンのビームと、下方変換されない光子のビームをもたらす、ポンプ集束光学部品と、
前記第1の軸に沿って前記非線形結晶要素の第2の面から出る光子を受け取り、下方変換されたバイフォトンを前記第1の軸に沿って第3の光路に向け、下方変換されない光子を第3の軸に沿って第4の光路に反射するように構成されたダイクロイックリフレクタを含む光学要素と、
前記下方変換された光子を光ファイバに集め、前記光ファイバの光軸を前記第1の軸に対して調整するように構成されたバイフォトン集束光学部品と
を含む、装置。 - 前記熱要素が熱電装置である、請求項1に記載の装置。
- 前記熱要素が抵抗加熱器である、請求項1に記載の装置。
- 前記熱制御回路がPIDループに基づく、請求項1に記載の装置。
- 前記光子源と前記非線形結晶要素の前記第1の面との間の前記第1の光路内に配置され、前記ポンプビームの偏光状態を調整可能に変更するように構成され、それにより前記システムによって下方変換された光子生成の前記効率を変更する半波長板をさらに含む、請求項1に記載の装置。
- 前記光子源と前記非線形結晶要素の前記第1の面との間の前記第1の光路内に配置された光学リターダをさらに含む、請求項1〜5のいずれか一項に記載の装置。
- 前記光学リターダは電子的可変波長板であり、前記電子的可変波長板は前記偏光ポンプビームの前記光学位相の変更のみを可能にするように構成され、それにより前記下方変換された光子の前記光学位相を変更する、請求項6に記載の装置。
- 前記光学リターダは前記光子源と前記半波長板との間に配置される、請求項6または7に記載の装置。
- 前記光子源と前記非線形結晶要素との間の前記第1の光路内に配置され、非ポンプ波長の光を前記結晶に到達するのを除去するように構成されるフィルタをさらに含む、請求項1〜8のいずれか一項に記載の装置。
- 前記非線形結晶要素は、前記非線形結晶の前記屈折率よりも低い屈折率を有するポッティング材料でポッティングされる、請求項1〜9のいずれか一項に記載の装置。
- 前記ポッティング材料がシリコン系ゴムである、請求項10に記載の装置。
- 前記非線形結晶要素は、タイプ0下方変換を生成する、請求項1〜11のいずれか一項に記載の装置。
- 前記非線形結晶要素がタイプI下方変換を生成する、請求項1〜11のいずれか一項に記載の装置。
- 前記非線形結晶要素がタイプII下方変換を生成する、請求項1〜11のいずれか一項に記載の装置。
- 前記第4の光路は、前記下方変換されない光子を第2の光ファイバの端部に集束させるように構成された光学要素を含む、請求項1〜14のいずれか一項に記載の装置。
- 前記アレイ内の第1の装置の前記第4の光路からの下方変換されない光子が、前記アレイ内の第2の装置内の前記光子源として利用される、請求項1〜15のいずれか一項に記載の複数の装置を含むアレイ。
- 前記第4の光路からの下方変換されない光子は、前記ポンプビームと結合され、前記第1の光路に沿って再度向けられる、請求項1〜15のいずれか一項に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562237436P | 2015-10-05 | 2015-10-05 | |
US62/237,436 | 2015-10-05 | ||
PCT/US2016/055562 WO2017062501A1 (en) | 2015-10-05 | 2016-10-05 | Tunable source bi-photons |
Publications (2)
Publication Number | Publication Date |
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JP2018530011A true JP2018530011A (ja) | 2018-10-11 |
JP7103942B2 JP7103942B2 (ja) | 2022-07-20 |
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JP2018536716A Active JP7103942B2 (ja) | 2015-10-05 | 2016-10-05 | バイフォトンの調整可能な光源 |
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Country | Link |
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US (1) | US11586092B2 (ja) |
EP (2) | EP3974900A1 (ja) |
JP (1) | JP7103942B2 (ja) |
CN (1) | CN108139647A (ja) |
AU (3) | AU2016336341A1 (ja) |
CA (1) | CA3000458C (ja) |
HK (1) | HK1255314A1 (ja) |
WO (1) | WO2017062501A1 (ja) |
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WO2020106656A1 (en) * | 2018-11-20 | 2020-05-28 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | A low brightness, entanglement-based, semi-passive private communication protocol |
JP2023530777A (ja) * | 2020-09-07 | 2023-07-19 | 済南量子技術研究院 | Ppktp結晶によるマルチモード受信小型化エンタングルメントソースシステム |
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WO2017062501A1 (en) | 2015-10-05 | 2017-04-13 | Qubitekk, Inc. | Tunable source bi-photons |
DE102017223197B3 (de) | 2017-12-19 | 2019-02-07 | Humboldt-Universität Zu Berlin | Verfahren und Einrichtung zur Frequenzumsetzung |
DK3572870T3 (da) * | 2018-05-24 | 2022-04-19 | Oesterreichische Akademie Der Wss | Fremgangsmåde for sammenfiltret photonfordeling med rumopdelt de-multiplexning |
EP3588184B1 (de) * | 2018-06-28 | 2022-06-01 | TRUMPF Schweiz AG | Heizvorrichtung für einen optischen kristall |
CA3012946A1 (en) * | 2018-07-31 | 2020-01-31 | Oz Optics Ltd. | Fiber-based broadband polarization-entangled photon source |
DE102019003940A1 (de) | 2019-06-06 | 2020-12-10 | BriIIux GmbH & Co. KG | Konservierungsmittelfreie Pigmentpaste |
CN111510225B (zh) * | 2020-03-20 | 2021-07-06 | 军事科学院系统工程研究院网络信息研究所 | 基于多波长纠缠光源的量子通信组网方法及系统 |
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KR102441594B1 (ko) * | 2022-04-04 | 2022-09-06 | 국방과학연구소 | 배열식 0형 ppKTP 크리스탈을 이용한 다중 파장 결합 기반 고효율 양자 광원 및 얽힘 광자쌍 생성 방법 |
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US11586092B2 (en) | 2023-02-21 |
HK1255314A1 (zh) | 2019-08-16 |
EP3360010A4 (en) | 2019-06-19 |
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