WO2014187263A1 - 一种光分支组件、无源光网络及光传输方法 - Google Patents
一种光分支组件、无源光网络及光传输方法 Download PDFInfo
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- WO2014187263A1 WO2014187263A1 PCT/CN2014/077576 CN2014077576W WO2014187263A1 WO 2014187263 A1 WO2014187263 A1 WO 2014187263A1 CN 2014077576 W CN2014077576 W CN 2014077576W WO 2014187263 A1 WO2014187263 A1 WO 2014187263A1
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- optical
- waveguide
- signal
- optical signal
- power
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- 230000003287 optical effect Effects 0.000 title claims abstract description 709
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims description 59
- 239000000758 substrate Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 description 39
- 238000012544 monitoring process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000026676 system process Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000253 optical time-domain reflectometry Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
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- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/125—Bends, branchings or intersections
-
- 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
- H04B10/27—Arrangements for networking
-
- 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
- H04B10/564—Power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Definitions
- the present invention relates to the field of communications, and in particular, to an optical branching component, a passive optical network, and an optical transmission method. Background technique
- the passive optical network includes: an Optical Line Terminal (OMT), a splitter, and a plurality of Optical Network Units (ONU).
- ONT Optical Line Terminal
- ONU Optical Network Units
- the optical splitter is connected to the optical line terminal through a trunk optical fiber, and the optical splitter is connected to the plurality of optical network units through the branch optical fiber.
- the optical splitter is an important passive component in the 0DN (Optical Distribution Network) link.
- the optical splitter can receive the optical signal transmitted by the optical path terminal through the trunk optical fiber, and transmit the optical signal to each optical network unit through the branch optical fiber. It is also possible to receive the optical signals transmitted by the respective optical network units through the branch optical fibers, and transmit the optical signals to the optical line terminals through the trunk optical fibers.
- the optical splitter function is realized more simply.
- Embodiments of the present invention provide an optical branching component, a passive optical network, and an optical transmission method for implementing functions of the optical branching component.
- an embodiment of the present invention provides an optical branching assembly, including: a substrate and an optical power distribution area disposed on a surface of the substrate; the optical power distribution area is coupled to the first optical waveguide, and the second An optical waveguide and at least one third optical waveguide for using the first The optical power of the optical signal transmitted by the optical waveguide is distributed to each of the second optical waveguide and the third optical waveguide; the third optical waveguide is coupled to the first optical waveguide, wherein the third optical waveguide is coupled with the reflective material And reflecting the optical signal from the optical power distribution area and transmitting the optical signal to the first optical waveguide through the third optical waveguide.
- the optical power distribution region comprises a Y-type optical power branching waveguide component or Arrayed waveguide grating.
- the method further includes: a detecting device, where the detecting device is disposed at a side of the optical distribution network connected to the optical line terminal, where the detecting device is used Receiving an optical signal reflected by the optical branching component; detecting the returned optical signal.
- an embodiment of the present invention provides an optical branching component, including: the optical branching component includes a processor, and the performing, by the processor, the signal processing comprises: receiving a first optical signal transmitted from a trunk optical fiber; Dividing the first optical signal transmitted by the trunk optical fiber into a plurality of second optical signals and at least one third optical signal; reflecting the third optical signal to a trunk optical fiber; and transmitting the respective second optical signals to each User terminal.
- the optical power of the third optical signal is less than the foregoing The optical power of a second optical signal.
- an embodiment of the present invention provides an optical transmission method, including: receiving a first optical signal transmitted from a backbone optical fiber; dividing the first optical signal transmitted by the trunk optical fiber into a plurality of second optical signals and at least one a third optical signal; reflecting the third optical signal to a backbone optical fiber; and transmitting the respective second optical signal to respective user terminals.
- the optical power of the second optical signal is different from the optical power of the third optical signal.
- the optical power of the third optical signal is smaller than that of the any one of the second optical signals Optical power.
- Embodiments of the present invention provide an optical branching component, a passive optical network, and an optical transmission method.
- the optical branching component includes: a substrate, an optical power distribution area, a first optical waveguide, a plurality of second optical waveguides, and at least one third optical waveguide.
- the third optical waveguide is coupled with a reflective material. In this way, after the first optical waveguide transmits the optical signal to the optical power distribution area, the optical power distribution area distributes the optical signal of one power to the at least one third optical waveguide, so that the at least one third optical waveguide passes the optical signal through the reflective material. Transfer to the first optical waveguide.
- the optical signal is transmitted to the optical fiber unit through the second optical waveguide, and then transmitted to the optical network unit to ensure normal transmission of the service.
- the optical branching component is compact in structure, and can not only transmit optical signals, but also reflect part of the optical signals, so that the system processes the reflected optical signals accordingly, thereby realizing the functional diversity of the optical branching components.
- FIG. 1 is a schematic structural diagram of an optical branching component according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of another optical branching component according to an embodiment of the present invention
- 4 is a schematic structural diagram of a passive optical network according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of another passive optical network according to an embodiment of the present invention
- FIG. 7 is a schematic flowchart diagram of an optical transmission method according to an embodiment of the present invention. detailed description
- An embodiment of the present invention provides an optical branching assembly, as shown in FIG. 1, comprising: a substrate, an optical power distribution region disposed on a surface of the substrate, a first optical waveguide 01, a second optical waveguide 102, and a first Three optical waveguides 03.
- the optical power distribution area is coupled to the first optical waveguide 101, the plurality of second optical waveguides 102, and the at least one third optical waveguide 103 for transmitting the optical signal of the first optical waveguide 101.
- the optical power is distributed to each of the second optical waveguide 102 and the third optical waveguide 103.
- the third optical waveguide 101 is coupled to the first optical waveguide 101.
- the third optical waveguide 103 is coupled to the reflective material, and reflects the optical signal from the optical power distribution area and transmits the optical signal to the first optical waveguide 110 through the third optical waveguide 103.
- the optical signal coupled from the optical power distribution region is reflected by the third optical waveguide of the optical branching component, and then transmitted to the first optical waveguide through the third optical waveguide, thereby being able to pass through the first optical waveguide.
- the optical signal is transmitted to the central office detection device for implementing optical link monitoring without affecting normal link communication, thereby improving monitoring efficiency.
- optical power of the optical signal transmitted by any one of the second optical waveguides is different from the optical power of the optical signal of the third optical waveguide.
- the optical power of the third optical signal is smaller than the optical power of the any one of the second optical signals.
- the optical power distribution area may transmit the optical signal transmitted by the first optical waveguide 01
- the optical signal of the partial optical power is distributed into the third optical waveguide 103, and the optical signals of the remaining power are equally distributed into the plurality of second optical waveguides 102.
- the optical power distribution area distributes an optical signal of 5% optical power from the optical signal transmitted in the first optical waveguide 101 to the third optical waveguide 103, and averages the optical signal of the remaining 95% of the optical power. It is distributed into a plurality of second optical waveguides 102.
- the optical branching assembly there are eight second optical waveguides 102, and an optical signal of 95% of the optical power is evenly distributed to the eight second optical waveguides 102.
- the third optical waveguide 103 transmits the received 5% optical signal through the reflective material to the first optical waveguide 101, so that the first optical waveguide 101 transmits the 5% optical signal to the central end detecting device.
- the second optical waveguide 102 transmits the received 95% of the optical signal to the service receiving end.
- the optical power distribution area may allocate an optical signal of 5%-20% of optical power to the third optical waveguide for reflection, or may allocate optical signals of other proportions of optical power to the third optical waveguide.
- the ratio can be arbitrarily set, as long as the reflected optical signal can be detected by the detecting device disposed at the central office, thereby enabling the detecting device to detect the optical fiber according to the reflected optical signal, and the present invention This is not a limitation.
- the optical power distribution area distributes the optical signal of the partial optical power into the third optical waveguide. If there are at least two third optical waveguides, the optical power distribution area can evenly distribute the optical signals of the partial optical power to the at least two third optical waveguides. Wherein, the optical signal assigned to each of the third optical waveguides can be detected by the detecting device provided at the central office.
- the number of the second optical waveguides may be eight second optical waveguides, or may be 16 or 32, and may be other numbers, which is not limited in the present invention.
- first optical waveguide 101, the second optical waveguide 102, and the third optical waveguide 103 may be single mode optical fibers.
- the third optical waveguide 103 to which the reflective material is coupled may be a Bragg grating (FBG), or a reflective film may be plated on one end surface of the optical fiber. A situation is shown in the illustration.
- FBG Bragg grating
- the reflective film may be a dielectric film, a metal film, or other reflective film, which is not limited in the present invention.
- the end surface of the third optical waveguide may be polished and polished to have a reflection function.
- the third optical waveguide has a reflection function and reflects the optical signal to the first optical waveguide through the third optical waveguide, the invention is protected by the scope of the present invention.
- the method of reflection function is not limited.
- the emissive material coupled to the third optical waveguide 103 may be a reflective material that totally reflects the optical signal, or a reflective material that partially reflects the optical signal, which is not limited in the present invention.
- the third optical waveguide 103 is disposed on a surface of the substrate, and the third optical waveguide 103 is coupled to the first optical waveguide 110 in a fusion manner.
- the third optical waveguide 103 is disposed on the surface of the substrate to facilitate fixing the third optical fluctuation 103.
- the third optical waveguide may be coupled to the first optical waveguide by other means, which is not limited in the present invention.
- the second optical waveguide 102 is coupled to the first optical waveguide 101 for transmitting the optical signal transmitted by the first optical waveguide.
- the second optical waveguide 102 may also be disposed on the surface of the substrate, and the second optical waveguide 102 may be coupled to the first optical waveguide 110 in a fusion manner.
- the optical power distribution area includes a Y-type optical power branching waveguide element or an arrayed waveguide grating, thereby distributing the optical signal transmitted by the first optical waveguide 101 to the plurality of second optical waveguides 102 and at least one third light.
- optical power distribution area may further include other types of optical power branching waveguide elements or arrayed waveguide gratings, which is not limited in the present invention.
- the substrate may be a silicon dioxide substrate, which is also a silicon substrate, and may be other substrates, which is not limited in the present invention.
- Embodiments of the present invention provide an optical branching component, including: a substrate, optical power distribution a region, a first optical waveguide, a plurality of second optical waveguides, and at least one third optical waveguide.
- the third optical waveguide is coupled with a reflective material.
- the optical power distribution area distributes the optical signal of one power to the at least one third optical waveguide, so that the at least one third optical waveguide passes the optical signal through the reflective material. Transfer to the first optical waveguide.
- the optical signal is transmitted to the optical fiber unit through the second optical waveguide, and then transmitted to the optical network unit, thereby ensuring normal transmission of the service.
- the optical branching component is compact in structure, and can not only transmit optical signals, but also reflect part of the optical signals, so that the system processes the reflected optical signals accordingly, thereby realizing the functional diversity of the optical branching components.
- the second optical fiber array 105 further includes: a V-groove 1051 and a cover 1052.
- the third optical waveguide 103 is located between the V-groove 1051 and the cover 1052.
- the third optical waveguide 103 is located outside the V-groove 1051 and the cover 1052.
- An embodiment of the present invention provides an optical branching component. After the optical waveguide transmits the optical signal to the optical power distribution area, the optical power distribution area distributes a power optical signal to the at least one third optical waveguide, so that at least one The third optical waveguide transmits the optical signal to the first optical waveguide through the reflective material. At the same time, the optical signal is transmitted to the optical fiber through the second optical waveguide, and then transmitted to the optical network unit, thereby ensuring normal transmission of the service.
- the optical branching component is compact in structure, and can not only transmit optical signals, but also reflect part of the optical signals, so that the system processes the reflected optical signals accordingly, thereby realizing the functional diversity of the optical branching components.
- FIG. 4 it is a schematic structural diagram of a passive optical network to which an optical power detection scheme provided by an embodiment of the present invention is applicable.
- the passive optical network includes: an optical line terminal 401, Optical distribution network 402 and at least one optical network unit 403.
- the optical line terminal 401 is connected to the optical distribution network 402 via a backbone optical fiber 404, and the optical distribution network 402 is connected to the at least one optical network unit 403 via a branch optical fiber 405.
- the optical distribution network 402 includes an optical branching assembly.
- the optical branching component is the optical branching component described in the above embodiment.
- the optical line terminal 401 (op t i ca l L i ne Te rm ina l , OLT ) is used for connecting the terminal equipment of the optical fiber trunk.
- the optical network unit 403 ( Op t i ca l Ne twork Un i t , 0NU ) is a terminal device for optical fiber access and is used for providing a user side interface.
- the backbone fiber 404 is used to connect the optical line terminal 401 and the optical distribution network 402.
- optical line terminal 401 is connected to the plurality of optical network units 403 in a point-to-multipoint manner through the optical distribution network 402.
- the direction from the optical line terminal 401 to the optical network unit 403 is defined as a downlink direction, and the direction from the optical network unit 403 to the optical line terminal 401 is an uplink direction.
- the passive optical network may be a communication network that does not require any active devices to implement data distribution between the optical line terminal 401 and the optical network unit 403.
- the optical branching component is a passive optical device such as a beam splitter.
- the optical branching assembly includes: a substrate and an optical power distribution area disposed on a surface of the substrate.
- the optical power distribution region is coupled to the first optical waveguide, the plurality of second optical waveguides, and the at least one third optical waveguide for distributing optical power of the optical signal transmitted by the first optical waveguide to each of the second optical waveguides And a third optical waveguide.
- the third optical waveguide is coupled to the first optical waveguide.
- the third optical waveguide is coupled with a reflective material, and reflects an optical signal from the optical power distribution region and transmits the optical signal to the first optical waveguide through the third optical waveguide.
- optical power of the optical signal transmitted by any one of the second optical waveguides is different from the optical power of the optical signal of the third optical waveguide.
- the third optical waveguide is disposed on a surface of the substrate, and the third optical waveguide is coupled to the first optical waveguide in a fusion manner.
- the optical power distribution area includes a Y-type optical power branching waveguide component or Arrayed waveguide grating.
- the optical branching component further includes: a first optical fiber array, a second optical fiber array, and a fiber ribbon.
- the first fiber array is configured to align the first optical waveguide with the plurality of second optical waveguides and at least one third optical waveguide.
- a second fiber array for aligning the second optical waveguide with the ribbon.
- a fiber ribbon for transmitting an optical signal transmitted by the second optical waveguide.
- the optical distribution network 402 is connected to the branch fiber 405 by the fiber of the optical branching component and to the at least one optical network unit 403 via the branch fiber 405.
- optical distribution network 402 is connected to the branch fiber 405 by using the fiber of the optical branching component.
- the plurality of fiber ribbons of the optical branching component are respectively connected to the branch fiber 405. That is, the fiber of the optical branching component corresponds to the branch fiber 405.
- optical branching components may be included, and one optical branching component may be included, which is not limited by the present invention.
- the passive optical network further includes: 406.
- the detecting device 406 is disposed on a side of the optical distribution network 402 connected to the optical line terminal 401, and the detecting device is configured to receive an optical signal reflected by the optical branching component; The light signal is detected.
- the detecting device is disposed on a side of the optical distribution network connected to the optical line terminal, which means that the detecting device can be disposed between the optical line terminal and the optical distribution network, or the detecting device can be set. At the optical line terminal. Only one case is shown in the illustration.
- the WDM (wave l eng th divisi on mu ltipl ex) device can be connected in the passive optical network.
- the detecting device may be an Opti-Calm Dom in Ref ec tome t er (OTDR).
- Embodiments of the present invention provide a passive optical network, where an optical line terminal transmits an optical signal to a optical distribution network through a trunk optical fiber, and an optical branching component in the optical distribution network couples a part of the power optical signal through the third optical waveguide.
- the reflective material is reflected to the backbone fiber such that the backbone fiber transmits the optical signal to the central office detection device.
- the optical branching component in the optical distribution network transmits the remaining part of the optical signal to the fiber through the second optical waveguide, and then transmits the fiber to the branch fiber through the fiber and transmits it to the optical network unit through the branch fiber.
- An embodiment of the present invention provides an optical branching component, where the optical branching component includes a processor, and the processor performs signal processing operations, as shown in FIG. 6, including:
- the first optical signal transmitted by the trunk optical fiber is divided into a plurality of second optical signals and at least one third optical signal.
- the processor After receiving the first optical signal from the trunk optical fiber, the processor divides the first optical signal into at least one third optical signal, and multiple second optical signals. Wherein, the power of each second optical signal is equal.
- the processor may allocate an optical signal of 5%-20% of optical power as at least one third optical signal for performing reflection, or may allocate optical signals of other proportions of optical power to at least one A three-light signal used for reflection.
- the ratio can be arbitrarily set, as long as the reflected optical signal can be detected by the detecting device disposed at the central office, thereby enabling the detecting device to detect the optical fiber according to the reflected optical signal, which is not limited by the present invention.
- the processor After dividing the first optical signal into the at least one third optical signal and the plurality of second optical signals, the processor reflects the at least one third optical signal to the trunk optical fiber, so that the trunk optical fiber transmits the third optical signal to the The central office detects the device so that the detecting device can detect the optical fiber according to the reflected third optical signal.
- the third optical signal is reflected to the main fiber, and the third optical signal can be transmitted to the central office detecting device through the main fiber, thereby implementing optical link monitoring without affecting normal link communication, and improving monitoring. effectiveness.
- optical branching component of the embodiment of the present invention may be a passive optical device such as a beam splitter.
- An embodiment of the present invention provides an optical branching component, which divides a first optical signal transmitted by a received backbone optical fiber into at least one third optical signal and a plurality of second optical signals, and reflects at least one third optical signal to a backbone.
- the optical fiber transmits each of the second optical signals to the user terminal.
- the processor splits the first optical signal into a third optical signal and reflects the third optical signal to the backbone optical fiber.
- the second optical signal is transmitted to each user terminal.
- Optical branching component The compact structure not only transmits optical signals, but also reflects part of the optical signals, so that the system processes the reflected optical signals accordingly, thereby realizing the functional diversity of the optical branching components.
- An embodiment of the present invention provides an optical transmission method. As shown in FIG. 7, the method includes: 101. Receive a first optical signal transmitted from a trunk optical fiber.
- the first optical signal transmitted by the trunk optical fiber is divided into a plurality of second optical signals and at least one third optical signal.
- the optical power of the second optical signal is different from the optical power of the third optical signal.
- optical power of the third optical signal is smaller than the optical power of the any one of the second optical signals.
- the optical branching component divides the first optical signal into at least one third optical signal and a plurality of second optical signals. Wherein, the power of each second optical signal is equal.
- the optical branching component determines an optical signal corresponding to 5% of the optical power of the first optical signal as the at least one third optical signal.
- the first optical signal of the remaining 95% of the optical power is determined as a plurality of second optical signals.
- the optical branching component may allocate an optical signal of 5%-20% optical power as at least one third optical signal for performing reflection, or may allocate optical signals of other proportions of optical power to at least one.
- the third optical signal is used for reflection.
- the ratio can be arbitrarily set as long as the reflected optical signal can be detected by the detecting device disposed at the central office, thereby enabling the detecting device to detect the optical fiber based on the reflected optical signal, which is not limited in the present invention.
- the at least one third optical signal is reflected to the trunk optical fiber, so that the trunk optical fiber transmits the third optical signal.
- the device is detected at the central office so that the detecting device can detect the optical fiber according to the reflected third optical signal.
- the third optical signal is reflected to the main fiber, and the third optical signal can be passed through the main fiber.
- the optical signal is transmitted to the central office detection device for implementing optical link monitoring without affecting normal link communication, thereby improving monitoring efficiency.
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Computing Systems (AREA)
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- Optical Couplings Of Light Guides (AREA)
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020157025004A KR101712900B1 (ko) | 2013-05-24 | 2014-05-15 | 광 분기 어셈블리, 수동 광 네트워크 및 광 전송 방법 |
EP14800778.4A EP2950464A4 (en) | 2013-05-24 | 2014-05-15 | BRANCHED OPTICAL ARRANGEMENT, PASSIVE OPTICAL NETWORK AND OPTICAL TRANSMISSION PROCESS |
JP2016503533A JP2016516218A (ja) | 2013-05-24 | 2014-05-15 | 光分岐アセンブリ、受動光ネットワーク、および光送信方法 |
AU2014270975A AU2014270975B2 (en) | 2013-05-24 | 2014-05-15 | Optical branch assembly, passive optical network and optical transmission method |
CA2901437A CA2901437A1 (en) | 2013-05-24 | 2014-05-15 | Optical branching assembly, passive optical network, and optical transmission method |
US14/943,902 US9791628B2 (en) | 2013-05-24 | 2015-11-17 | Optical branching assembly, passive optical network, and optical transmission method |
Applications Claiming Priority (2)
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CN201310198671.9 | 2013-05-24 | ||
CN201310198671.9A CN104184520A (zh) | 2013-05-24 | 2013-05-24 | 一种光分支组件、无源光网络及光传输方法 |
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US14/943,902 Continuation US9791628B2 (en) | 2013-05-24 | 2015-11-17 | Optical branching assembly, passive optical network, and optical transmission method |
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US (1) | US9791628B2 (zh) |
EP (1) | EP2950464A4 (zh) |
JP (1) | JP2016516218A (zh) |
KR (1) | KR101712900B1 (zh) |
CN (1) | CN104184520A (zh) |
AU (1) | AU2014270975B2 (zh) |
CA (1) | CA2901437A1 (zh) |
WO (1) | WO2014187263A1 (zh) |
Families Citing this family (8)
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EP3475743A1 (en) * | 2016-06-28 | 2019-05-01 | Corning Optical Communications LLC | Fiber optic connection device with an in-line splitter |
WO2018058624A1 (zh) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | 一种光网络单元接入光网络的方法、认证设备和系统 |
CN106646784A (zh) * | 2017-02-20 | 2017-05-10 | 众瑞速联(武汉)科技有限公司 | 一种基于阵列波导光栅的波分复用光发射器件 |
US11349567B2 (en) | 2019-03-13 | 2022-05-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Use of waveguides and lenses to improve light communication reception in devices |
US10958340B2 (en) | 2019-05-09 | 2021-03-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-channel light communications via waveguides |
CN110456449B (zh) * | 2019-09-12 | 2024-03-15 | 珠海市光辰科技有限公司 | 一种阵列单模器件和光纤光栅解调仪 |
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Publication number | Publication date |
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CN104184520A (zh) | 2014-12-03 |
JP2016516218A (ja) | 2016-06-02 |
KR101712900B1 (ko) | 2017-03-07 |
EP2950464A1 (en) | 2015-12-02 |
KR20150119239A (ko) | 2015-10-23 |
US20160070065A1 (en) | 2016-03-10 |
AU2014270975A1 (en) | 2015-09-17 |
US9791628B2 (en) | 2017-10-17 |
AU2014270975B2 (en) | 2016-09-15 |
EP2950464A4 (en) | 2015-12-23 |
CA2901437A1 (en) | 2014-11-27 |
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