CN107733641A - 高速高可调带宽量子平衡零差探测器及其控制方法 - Google Patents
高速高可调带宽量子平衡零差探测器及其控制方法 Download PDFInfo
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- CN107733641A CN107733641A CN201710757281.9A CN201710757281A CN107733641A CN 107733641 A CN107733641 A CN 107733641A CN 201710757281 A CN201710757281 A CN 201710757281A CN 107733641 A CN107733641 A CN 107733641A
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 14
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- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 5
- 230000003321 amplification Effects 0.000 claims description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 5
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- 239000000919 ceramic Substances 0.000 claims description 3
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- 230000007704 transition Effects 0.000 claims description 3
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- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
-
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN201710757281.9A CN107733641B (zh) | 2017-08-29 | 2017-08-29 | 高速高可调带宽量子平衡零差探测器及其控制方法 |
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CN201710757281.9A CN107733641B (zh) | 2017-08-29 | 2017-08-29 | 高速高可调带宽量子平衡零差探测器及其控制方法 |
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CN107733641A true CN107733641A (zh) | 2018-02-23 |
CN107733641B CN107733641B (zh) | 2020-12-22 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110635850A (zh) * | 2018-06-22 | 2019-12-31 | 科大国盾量子技术股份有限公司 | 一种用于量子通信系统的自差分平衡探测装置及探测方法 |
CN117097410A (zh) * | 2023-10-18 | 2023-11-21 | 北京中科国光量子科技有限公司 | 一种单光子量级的平衡探测方法及平衡探测芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040080753A1 (en) * | 2002-10-24 | 2004-04-29 | Mcalexander William Ian | Heterodyne based optical spectrum analysis with controlled optical attenuation |
CN104539371A (zh) * | 2014-12-10 | 2015-04-22 | 中国科学院紫金山天文台 | 太赫兹量子级联激光器为本振源的超导外差集成接收机 |
US20160173804A1 (en) * | 2014-12-16 | 2016-06-16 | Imec Vzw | In-pixel amplification device and method |
CN106199465A (zh) * | 2015-05-05 | 2016-12-07 | 中国科学院上海微系统与信息技术研究所 | 一种双级超导量子干涉器放大装置、方法及squid磁传感器 |
-
2017
- 2017-08-29 CN CN201710757281.9A patent/CN107733641B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040080753A1 (en) * | 2002-10-24 | 2004-04-29 | Mcalexander William Ian | Heterodyne based optical spectrum analysis with controlled optical attenuation |
CN104539371A (zh) * | 2014-12-10 | 2015-04-22 | 中国科学院紫金山天文台 | 太赫兹量子级联激光器为本振源的超导外差集成接收机 |
US20160173804A1 (en) * | 2014-12-16 | 2016-06-16 | Imec Vzw | In-pixel amplification device and method |
CN106199465A (zh) * | 2015-05-05 | 2016-12-07 | 中国科学院上海微系统与信息技术研究所 | 一种双级超导量子干涉器放大装置、方法及squid磁传感器 |
Non-Patent Citations (1)
Title |
---|
黄端等: "A 300-MHz Bandwidth Balanced Homodyne Detector for Continuous Variable Quantum Key Distribution", 《CHIN.PHYS.LETT.》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110635850A (zh) * | 2018-06-22 | 2019-12-31 | 科大国盾量子技术股份有限公司 | 一种用于量子通信系统的自差分平衡探测装置及探测方法 |
CN110635850B (zh) * | 2018-06-22 | 2022-12-27 | 科大国盾量子技术股份有限公司 | 一种用于量子通信系统的自差分平衡探测装置及探测方法 |
CN117097410A (zh) * | 2023-10-18 | 2023-11-21 | 北京中科国光量子科技有限公司 | 一种单光子量级的平衡探测方法及平衡探测芯片 |
CN117097410B (zh) * | 2023-10-18 | 2024-01-23 | 北京中科国光量子科技有限公司 | 一种单光子量级的平衡探测方法及平衡探测芯片 |
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Address after: 200241 room 1139, building C, No. 555, Dongchuan Road, Minhang District, Shanghai Patentee after: Shanghai circulation Quantum Technology Co.,Ltd. Address before: 200240 room 1139, building C, No. 555, Dongchuan Road, Minhang District, Shanghai Patentee before: SHANGHAI XUNTAI INFORMATION TECHNOLOGY CO.,LTD. |
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Denomination of invention: High speed and high adjustable bandwidth quantum balanced homodyne detector and its control method Granted publication date: 20201222 Pledgee: SHANGHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Shanghai circulation Quantum Technology Co.,Ltd. Registration number: Y2024310000313 |