DE112021003531T5 - Lichtempfangsvorrichtung und Kommunikationsvorrichtung - Google Patents

Lichtempfangsvorrichtung und Kommunikationsvorrichtung Download PDF

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Publication number
DE112021003531T5
DE112021003531T5 DE112021003531.2T DE112021003531T DE112021003531T5 DE 112021003531 T5 DE112021003531 T5 DE 112021003531T5 DE 112021003531 T DE112021003531 T DE 112021003531T DE 112021003531 T5 DE112021003531 T5 DE 112021003531T5
Authority
DE
Germany
Prior art keywords
light
signal
spatial light
spatial
light signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE112021003531.2T
Other languages
German (de)
English (en)
Inventor
Toshiki Imamura
Koya TAKATA
Fujio Okumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE112021003531T5 publication Critical patent/DE112021003531T5/de
Pending legal-status Critical Current

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Classifications

    • 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
    • H04B10/695—Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
    • 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
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • 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
    • H04B10/505—Laser transmitters using external 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
    • 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
    • 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
    • H04B10/697—Arrangements for reducing noise and distortion
    • H04B10/6972—Arrangements for reducing noise and distortion using passive filtering
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/413—Optical elements or arrangements directly associated or integrated with the devices, e.g. back reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
DE112021003531.2T 2020-07-01 2021-04-23 Lichtempfangsvorrichtung und Kommunikationsvorrichtung Pending DE112021003531T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020113680 2020-07-01
JP2020-113680 2020-07-01
PCT/JP2021/016471 WO2022004106A1 (ja) 2020-07-01 2021-04-23 受光装置および通信装置

Publications (1)

Publication Number Publication Date
DE112021003531T5 true DE112021003531T5 (de) 2023-04-20

Family

ID=79315714

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021003531.2T Pending DE112021003531T5 (de) 2020-07-01 2021-04-23 Lichtempfangsvorrichtung und Kommunikationsvorrichtung

Country Status (5)

Country Link
US (1) US12212370B2 (https=)
JP (1) JP7574850B2 (https=)
CN (1) CN115735336A (https=)
DE (1) DE112021003531T5 (https=)
WO (1) WO2022004106A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333407A (ja) 2001-05-09 2002-11-22 Horiba Ltd 平面表示装置の欠陥検査装置
WO2014119103A1 (ja) 2013-01-31 2014-08-07 シャープ株式会社 光センサ
JP2019186595A (ja) 2018-04-02 2019-10-24 株式会社島津製作所 光通信装置の受光装置
JP2020113680A (ja) 2019-01-15 2020-07-27 キヤノンマシナリー株式会社 半田平坦化装置、ダイボンダ、半田平坦化方法、及びボンディング方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915080B2 (en) * 2000-09-20 2005-07-05 Mark David Heminger Method and apparatus for aligning optical wireless links
JP3995959B2 (ja) * 2002-03-05 2007-10-24 マイクロシグナル株式会社 空間光通信用センサ、空間光通信用受信装置、及び該受信装置を含む空間光通信システム
US8311414B2 (en) * 2006-08-21 2012-11-13 Panasonic Corporation Optical space transfer apparatus using image sensor
TWI441512B (zh) * 2009-10-01 2014-06-11 新力股份有限公司 影像取得裝置及照相機系統
JP5990906B2 (ja) * 2011-12-19 2016-09-14 ソニー株式会社 測定装置、測定方法、プログラムおよび記録媒体
US9438338B1 (en) * 2015-04-13 2016-09-06 The Boeing Company System for bidirectional free-space laser communication of gigabit Ethernet telemetry data
WO2019012532A1 (en) * 2017-07-11 2019-01-17 Supreme Architecture Ltd. SPATIAL OPTICAL WIRELESS COMMUNICATION SYSTEM
CN107563361B (zh) * 2017-09-30 2023-09-05 苏州迈瑞微电子有限公司 一种传感器像素及光学传感器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002333407A (ja) 2001-05-09 2002-11-22 Horiba Ltd 平面表示装置の欠陥検査装置
WO2014119103A1 (ja) 2013-01-31 2014-08-07 シャープ株式会社 光センサ
JP2019186595A (ja) 2018-04-02 2019-10-24 株式会社島津製作所 光通信装置の受光装置
JP2020113680A (ja) 2019-01-15 2020-07-27 キヤノンマシナリー株式会社 半田平坦化装置、ダイボンダ、半田平坦化方法、及びボンディング方法

Also Published As

Publication number Publication date
CN115735336A (zh) 2023-03-03
JP7574850B2 (ja) 2024-10-29
US12212370B2 (en) 2025-01-28
US20230261760A1 (en) 2023-08-17
JPWO2022004106A1 (https=) 2022-01-06
WO2022004106A1 (ja) 2022-01-06

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