CN108667527B - 一种单光子探测器探测效率失配度的检测装置及方法 - Google Patents
一种单光子探测器探测效率失配度的检测装置及方法 Download PDFInfo
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- CN108667527B CN108667527B CN201810320198.XA CN201810320198A CN108667527B CN 108667527 B CN108667527 B CN 108667527B CN 201810320198 A CN201810320198 A CN 201810320198A CN 108667527 B CN108667527 B CN 108667527B
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- photon detector
- optical attenuator
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- 238000001514 detection method Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 63
- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 230000010287 polarization Effects 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 230000006854 communication Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011439 discrete element method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/54—Intensity modulation
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
- H04B10/672—Optical arrangements in the receiver for controlling the input optical signal for controlling the power of the input optical signal
- H04B10/674—Optical arrangements in the receiver for controlling the input optical signal for controlling the power of the input optical signal using a variable optical attenuator
-
- 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Security & Cryptography (AREA)
- Optical Communication System (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
Description
Claims (7)
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CN201810320198.XA CN108667527B (zh) | 2018-04-11 | 2018-04-11 | 一种单光子探测器探测效率失配度的检测装置及方法 |
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CN201810320198.XA CN108667527B (zh) | 2018-04-11 | 2018-04-11 | 一种单光子探测器探测效率失配度的检测装置及方法 |
Publications (2)
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CN108667527A CN108667527A (zh) | 2018-10-16 |
CN108667527B true CN108667527B (zh) | 2019-11-22 |
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Families Citing this family (1)
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CN113708847B (zh) * | 2021-08-12 | 2022-06-03 | 国开启科量子技术(北京)有限公司 | 用于单光子探测器的门控装置和量子通信设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106656344A (zh) * | 2017-01-16 | 2017-05-10 | 浙江神州量子网络科技有限公司 | 一种mdi‑qkd系统及mdi‑qkd方法 |
CN106685655A (zh) * | 2017-01-16 | 2017-05-17 | 华南师范大学 | 一种相位偏振多自由度调制qkd网络系统及方法 |
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US11453646B2 (en) * | 2011-07-27 | 2022-09-27 | Cornell University | Methods for RNA detection and quantification |
CN102868524B (zh) * | 2012-09-28 | 2015-06-03 | 电子科技大学 | 一种适用于gpon系统的dps qkd加密系统 |
CN105337730B (zh) * | 2015-11-19 | 2018-08-24 | 山西大学 | 基于相位编码qkd系统的单光子偏振控制方法及装置 |
CN105490805B (zh) * | 2015-11-24 | 2018-09-28 | 上海斐讯数据通信技术有限公司 | 一种基于扩展卡尔曼滤波降低qkd系统误码率的系统及方法 |
CN105897413B (zh) * | 2016-05-26 | 2022-10-18 | 安徽问天量子科技股份有限公司 | 基于sagnac环的相位调制偏振编码的QKD系统 |
CN107689829A (zh) * | 2016-08-04 | 2018-02-13 | 安徽问天量子科技股份有限公司 | 单光子探测器探测致盲攻击的监测装置与方法 |
CN206413014U (zh) * | 2017-01-16 | 2017-08-15 | 浙江神州量子网络科技有限公司 | 一种mdi‑qkd系统 |
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- 2018-04-11 CN CN201810320198.XA patent/CN108667527B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106656344A (zh) * | 2017-01-16 | 2017-05-10 | 浙江神州量子网络科技有限公司 | 一种mdi‑qkd系统及mdi‑qkd方法 |
CN106685655A (zh) * | 2017-01-16 | 2017-05-17 | 华南师范大学 | 一种相位偏振多自由度调制qkd网络系统及方法 |
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