CN107078794A - 用于光时域反射计的装置和方法 - Google Patents
用于光时域反射计的装置和方法 Download PDFInfo
- Publication number
- CN107078794A CN107078794A CN201580060869.8A CN201580060869A CN107078794A CN 107078794 A CN107078794 A CN 107078794A CN 201580060869 A CN201580060869 A CN 201580060869A CN 107078794 A CN107078794 A CN 107078794A
- Authority
- CN
- China
- Prior art keywords
- attenuation
- signal
- wdm
- lens
- wave
- 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.)
- Granted
Links
Classifications
-
- 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
- G02B6/29346—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 wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
- G02B6/2937—In line lens-filtering-lens devices, i.e. elements arranged along a line and mountable in a cylindrical package for compactness, e.g. 3- port device with GRIN lenses sandwiching a single filter operating at normal incidence in a tubular package
-
- 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
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0282—WDM tree architectures
-
- 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
- G02B6/4246—Bidirectionally operating package structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462060541P | 2014-10-06 | 2014-10-06 | |
US62/060,541 | 2014-10-06 | ||
PCT/US2015/053809 WO2016057339A1 (en) | 2014-10-06 | 2015-10-02 | Apparatus and method for optical time-domain reflectometry |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107078794A true CN107078794A (zh) | 2017-08-18 |
CN107078794B CN107078794B (zh) | 2019-12-31 |
Family
ID=55632723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580060869.8A Active CN107078794B (zh) | 2014-10-06 | 2015-10-02 | 光信号路由装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US9846279B2 (zh) |
EP (1) | EP3205033B1 (zh) |
JP (1) | JP6619805B2 (zh) |
CN (1) | CN107078794B (zh) |
ES (1) | ES2924726T3 (zh) |
PT (1) | PT3205033T (zh) |
WO (1) | WO2016057339A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999813A (zh) * | 2020-08-07 | 2020-11-27 | 上海中科创欣通讯设备有限公司 | 优化偏振相关损耗的方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3189601B1 (en) * | 2014-09-03 | 2023-08-02 | British Telecommunications public limited company | Optical network fault identification |
KR101726650B1 (ko) * | 2015-08-24 | 2017-04-14 | (주) 라이트론 | 듀얼 대역통과 wdm 커플러가 내장된 광 송수신 모듈 |
WO2018137212A1 (zh) * | 2017-01-25 | 2018-08-02 | 深圳太辰光通信股份有限公司 | 一种无源波分移动前传网络系统 |
US10666540B2 (en) | 2017-07-17 | 2020-05-26 | International Business Machines Corporation | Dynamic time-domain reflectometry analysis for field replaceable unit isolation in a running system |
CN110176957A (zh) * | 2019-05-26 | 2019-08-27 | 太原理工大学 | 一种高精度、大动态范围监测wdm-pon故障的装置及方法 |
WO2021043424A1 (en) * | 2019-09-06 | 2021-03-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical node and optical transceiver for auto tuning of operational wavelength |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453827A (en) * | 1993-02-24 | 1995-09-26 | Dicon Fiberoptics | Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter |
EP1098458A2 (en) * | 1999-11-08 | 2001-05-09 | Fujitsu Limited | An apparatus and a method for locating a fault of a transmission line |
CN1349692A (zh) * | 1999-04-30 | 2002-05-15 | 艾利森电话股份有限公司 | 波长选择滤光装置及其方法 |
US6456634B1 (en) * | 1999-07-22 | 2002-09-24 | Siemens Aktiengesellschaft | Circuit and method for recognizing an interruption in a light waveguide link |
US6630992B1 (en) * | 1998-07-09 | 2003-10-07 | Deutsche Telekom Ag | Method and device for executing control and monitoring measurements in optical transmission paths |
US20040033014A1 (en) * | 2002-02-18 | 2004-02-19 | Hironori Sasaki | Optical demultiplexer and optical multiplexer for wavelength division multiplex communication |
US6842562B2 (en) * | 2002-05-30 | 2005-01-11 | Fujitsu Network Communications, Inc. | Optical add/drop node and method |
US20050180748A1 (en) * | 2003-03-18 | 2005-08-18 | Fujitsu Limited | Transmission characteristics evaluation system and pseudo transmission path apparatus thereof |
US7184620B1 (en) * | 2002-11-27 | 2007-02-27 | Oplink Communications, Inc. | 3-port optical add-drop multiplexer (OADM) |
US20120134663A1 (en) * | 2010-11-29 | 2012-05-31 | Hongsheng Wang | System and method for managing optical system failure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5818986A (en) * | 1996-10-15 | 1998-10-06 | Asawa; Charles K. | Angular Bragg reflection planar channel waveguide wavelength demultiplexer |
US6141089A (en) * | 1997-01-16 | 2000-10-31 | Hewlett-Packard Company | Optical time domain reflectometer for measurements in optical networks with currently applied traffic signals |
JP2004054181A (ja) * | 2002-07-24 | 2004-02-19 | Fujitsu Media Device Kk | 波長フィルタ、可変波長フィルタ、及び光学素子 |
US9461769B2 (en) * | 2014-03-12 | 2016-10-04 | Stmicroelectronics S.R.L. | Optical demultiplexer and method of controlling an optical demultiplexer |
-
2015
- 2015-10-02 ES ES15848389T patent/ES2924726T3/es active Active
- 2015-10-02 WO PCT/US2015/053809 patent/WO2016057339A1/en active Application Filing
- 2015-10-02 CN CN201580060869.8A patent/CN107078794B/zh active Active
- 2015-10-02 EP EP15848389.1A patent/EP3205033B1/en active Active
- 2015-10-02 US US14/873,594 patent/US9846279B2/en active Active
- 2015-10-02 PT PT158483891T patent/PT3205033T/pt unknown
- 2015-10-02 JP JP2017518335A patent/JP6619805B2/ja active Active
-
2017
- 2017-10-26 US US15/794,399 patent/US9983358B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5453827A (en) * | 1993-02-24 | 1995-09-26 | Dicon Fiberoptics | Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter |
US6630992B1 (en) * | 1998-07-09 | 2003-10-07 | Deutsche Telekom Ag | Method and device for executing control and monitoring measurements in optical transmission paths |
CN1349692A (zh) * | 1999-04-30 | 2002-05-15 | 艾利森电话股份有限公司 | 波长选择滤光装置及其方法 |
US6456634B1 (en) * | 1999-07-22 | 2002-09-24 | Siemens Aktiengesellschaft | Circuit and method for recognizing an interruption in a light waveguide link |
EP1098458A2 (en) * | 1999-11-08 | 2001-05-09 | Fujitsu Limited | An apparatus and a method for locating a fault of a transmission line |
US20040033014A1 (en) * | 2002-02-18 | 2004-02-19 | Hironori Sasaki | Optical demultiplexer and optical multiplexer for wavelength division multiplex communication |
US6842562B2 (en) * | 2002-05-30 | 2005-01-11 | Fujitsu Network Communications, Inc. | Optical add/drop node and method |
US7184620B1 (en) * | 2002-11-27 | 2007-02-27 | Oplink Communications, Inc. | 3-port optical add-drop multiplexer (OADM) |
US20050180748A1 (en) * | 2003-03-18 | 2005-08-18 | Fujitsu Limited | Transmission characteristics evaluation system and pseudo transmission path apparatus thereof |
US20120134663A1 (en) * | 2010-11-29 | 2012-05-31 | Hongsheng Wang | System and method for managing optical system failure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999813A (zh) * | 2020-08-07 | 2020-11-27 | 上海中科创欣通讯设备有限公司 | 优化偏振相关损耗的方法 |
CN111999813B (zh) * | 2020-08-07 | 2022-11-18 | 上海中科创欣通讯设备有限公司 | 优化偏振相关损耗的方法 |
Also Published As
Publication number | Publication date |
---|---|
US20180045890A1 (en) | 2018-02-15 |
PT3205033T (pt) | 2022-08-16 |
US9983358B2 (en) | 2018-05-29 |
EP3205033A1 (en) | 2017-08-16 |
US9846279B2 (en) | 2017-12-19 |
JP2017538313A (ja) | 2017-12-21 |
EP3205033B1 (en) | 2022-06-08 |
EP3205033A4 (en) | 2018-06-27 |
US20160097901A1 (en) | 2016-04-07 |
CN107078794B (zh) | 2019-12-31 |
ES2924726T3 (es) | 2022-10-10 |
JP6619805B2 (ja) | 2019-12-11 |
WO2016057339A1 (en) | 2016-04-14 |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: R*Peralta Inventor after: G*Laczka Inventor after: Lu Haiguang Inventor after: Kenichiro Takeuchi Inventor after: M*G*Barinos Inventor after: A*L*Lumantes Inventor after: E*M*A*Enke Inventor before: R*Peralta Inventor before: G*Laczka Inventor before: Lu Haiguang Inventor before: Kenichiro Takeuchi Inventor before: M*G*M*Barinos Inventor before: A*L*Lumantes Inventor before: E*M*A*Enke |
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: new jersey Applicant after: Optical communication Holding Co., Ltd Address before: new jersey Applicant before: GO FOTON HOLDINGS INC |
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GR01 | Patent grant | ||
GR01 | Patent grant |