WO2017140164A1 - Composant électroluminescent comportant un régulateur de faisceau, composant de réception de lumière comportant un régulateur de faisceau et module optique - Google Patents

Composant électroluminescent comportant un régulateur de faisceau, composant de réception de lumière comportant un régulateur de faisceau et module optique Download PDF

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Publication number
WO2017140164A1
WO2017140164A1 PCT/CN2016/109569 CN2016109569W WO2017140164A1 WO 2017140164 A1 WO2017140164 A1 WO 2017140164A1 CN 2016109569 W CN2016109569 W CN 2016109569W WO 2017140164 A1 WO2017140164 A1 WO 2017140164A1
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WO
WIPO (PCT)
Prior art keywords
beam adjuster
adjuster
optical sheet
component
module
Prior art date
Application number
PCT/CN2016/109569
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English (en)
Chinese (zh)
Inventor
高国祥
Original Assignee
深圳新飞通光电子技术有限公司
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Application filed by 深圳新飞通光电子技术有限公司 filed Critical 深圳新飞通光电子技术有限公司
Publication of WO2017140164A1 publication Critical patent/WO2017140164A1/fr

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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
    • 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
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • 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
    • G02B6/29379—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 characterised by the function or use of the complete device
    • G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • 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
    • 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
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206—Optical features

Definitions

  • the present invention relates to the field of optical communication technologies, and in particular, to a light emitting component with a beam adjuster, a light receiving component with a beam adjuster, and an optical module.
  • high-speed optical communication modules exhibit features such as miniaturization, low power consumption, hot swap, and multi-channel wavelength parallel operation.
  • the transmission rate and the occupied channel continue to increase.
  • the more popular method is to use the principle of optical waveguide or thin film filter to make multi-channel optical communication.
  • the wavelength division multiplexing combined wave division module (hereinafter referred to as the combined wave division module).
  • the combined wave division module When the number of signal channels exceeds 4 channels and the wavelength interval is very narrow, such as the newly proposed LAN-WD M 400G 8 channel standard, the use of the waveguide principle to fabricate the combined wave demultiplexing module will greatly increase the device size, and the same channel.
  • Another type of multiplexed wave splitting module based on the principle of thin film filter can be easily assembled and assembled in the design channel number of 4, but once it is extended to 8 channels, it will make the angular deviation and the cumulative position deviation of the exit point. Larger appearance, and the deviation of the exit angle between the different channels and the positional deviation of the exit point will result in insufficient channel coupling efficiency for some channels, which will seriously affect the production yield of the final high-speed multi-channel transmit or receive components.
  • the more common solution is to use a 4-channel split-wavelength splitting module with two different bands to make a 4-channel transmit or receive component, and then connect them to a total of 8 channels using a 2x1 online WDM multiplexer.
  • the problem of fiber winding can be another problem, and the space size will become very large.
  • the present invention proposes a beam adjuster that adds different shape sizes and refractive index parameters in each discrete channel optical path, such that the beam of each channel enters or exits the multiplexed wave splitting module.
  • the ⁇ beam has reached the best fit with the internal optical path of the multiplexed wave splitting module, thereby minimizing the difference in the parallelism of the incident incident beam and the individualized deviation of the exiting incident point difference between different channels of each multiplexed wave splitting module.
  • the single-channel optical coupling efficiency decreases. Make the finished product yield and optical performance of the component The increase is increased.
  • a light emitting component with a beam adjuster comprising a laser array, a laser collimating lens assembly, a multiplexer demultiplexing module, a focus coupling lens, and an optical fiber, wherein: the laser collimating lens assembly and the combined wave division
  • a beam adjuster assembly is also disposed between the wave modules.
  • N lasers are disposed in the laser array, N laser collimating lenses are disposed in the laser collimating lens assembly, and at least one up to N beam adjusters are disposed in the beam adjuster assembly.
  • N laser beams of different wavelengths emitted by the N lasers are respectively collimated by N laser collimating lenses, directly injected into or through the beam adjuster and injected into the N sub-wavelength channels of the multiplexer module.
  • the multiplexed waves converge into a beam that is focused by a focus coupling lens and coupled into the fiber.
  • the beam adjuster When the energy of a channel's optical coupling into a common fiber does not meet the performance requirements of the transmitting component, the beam adjuster will be placed between the laser collimating lens of the channel and the bandpass film filter, Select different shape and refractive index parameters of the beam adjuster, adjust the tilt direction and tilt angle of the beam adjuster, change the beam position and incident angle of the beam into the multiplexed wave splitting module, thereby improving the mode field matching quality at the receiving end of the fiber. That is, coupling efficiency.
  • a light receiving component with a beam adjuster comprising an optical fiber, a fiber collimating lens, a wavelength division multiplexing combining wave splitting module, a focus coupling lens component, and a photodetector array, wherein: A beam adjuster assembly is also disposed between the combined wave splitting module and the focus coupling lens assembly. N photodetectors are disposed in the photodetector array, N focus coupling lenses are disposed in the focus coupling lens assembly, and at least one up to N beam adjusters are disposed in the beam adjuster assembly .
  • the optical signal input by the optical fiber is incident into the multiplexed channel of the wavelength division multiplexed multiplexed wave splitting module via the collimating lens, and is emitted in the N partial wave channels, directly injected in one-to-one or injected into the N through the beam adjuster.
  • N focus detectors are coupled into the N photodetectors, and converted to generate electrical signals.
  • the beam adjuster When the energy of a channel of light coupling into the photodetector does not meet the performance requirements of the receiving component, the beam adjuster will be placed between the multiplexer and the focus coupling lens of the channel, through Select different shape and refractive index parameters of the beam adjuster, and adjust the tilt direction and tilt of the placement The oblique angle changes the beam position and the exit angle of the beam emitted from the multiplexer module, thereby functioning together with the position adjustment of the focus coupling lens to improve the light energy receiving efficiency on the photodetector.
  • the present invention also provides an optical module including a light emitting component and/or a light receiving component; wherein, in the light emitting component and/or the light receiving component Both are provided with the beam adjuster described above.
  • the beam adjuster performs a translation adjustment on the source beam, and the adjusted offset thereof
  • n is the refractive index of the selected optical sheet of the beam adjuster
  • T is the thickness of the optical sheet selected by the beam adjuster
  • ⁇ is the deflection angle of the selected optical sheet of the beam adjuster
  • the beam adjuster makes an angle adjustment to the forward direction of the source beam, and adjusts the angle to scare
  • n is the refractive index of the selected optical sheet of the beam adjuster
  • ⁇ is the wedge angle of the optical sheet selected by the beam adjuster
  • ⁇ is the deflection angle of the selected optical sheet of the beam adjuster
  • the N is greater than or equal to 2.
  • the present invention provides a method for independently adjusting the optical paths of each channel by using a beam adjuster in an optical path to integrate more and more communication channels in an optical fiber communication with an increasingly compact optical path, thereby improving the coupling efficiency of the optical paths of the respective channels.
  • New ideas It has the characteristics of simple structure and easy implementation, which makes it possible to commercialize high-speed communication modules as early as possible.
  • FIG. 1 is a schematic view of a light emitting component with a beam adjuster of the present invention
  • FIG. 2 is a schematic view of a light receiving assembly with a beam adjuster of the present invention
  • FIG. 3 is a schematic diagram of a principle of a beam adjuster
  • the divided channels 141 to 144 are combined and output from the combined channel of 140, coupled to the shared optical fiber 160 via a common focus coupling lens 150 for signal transmission.
  • Different offsets can be obtained by selecting optical sheets of different refractive indices n and different thicknesses T and adjusting their deflection angles a.
  • the principle of the beam adjusters 131-134 can also be as shown in FIG. 4. If the optimal collimated beam matching needs to further adjust the direction of the source beam to be slightly adjusted, the required angle ⁇ can be calculated by the following formula:
  • a beam adjuster is disposed between the laser collimating lens of the light emitting component channel and the band pass film filter, and the tilting of the beam is adjusted by selecting different shape sizes and refractive index parameters of the beam adjuster.
  • the direction and the tilt angle can change the position and incident angle of the beam entering the multiplexed wave splitting module, thereby improving the mode field matching quality at the fiber receiving surface, that is, the coupling efficiency.
  • the light receiving component includes an optical fiber 210, a collimating lens 220, and a ⁇ channel multiplexing/demultiplexing module (this embodiment).
  • 230 includes four demultiplexing channels 231-234, a beam adjuster assembly 240, a focus coupling lens assembly 250, and a photodetector array 260.
  • the optical signal input by the optical fiber 210 (the optical signal containing 4 wavelengths) is collimated by the collimating lens 220 and then injected into the multiplexed channel of the multiplexed wave splitting module, and first reaches the first splitting channel 231 for the optical signal.
  • the light beam having the same wavelength as the transmission wavelength of 231 is transmitted through 231, and is directed to the focus coupling lens 251 via the beam adjuster 241, and the beams of the remaining wavelengths are reflected again into the multiplexed wave splitting module and reflected by the reflective area on the left side of 230. Arrived on the second split channel 232.
  • a light beam having a wavelength corresponding to a transmission wavelength of 232 is transmitted through the beam adjuster 242 to the second focus coupling lens 252, and the light beams of the remaining wavelengths are again reflected to the reflection area on the left side of the multiplexer/demultiplexer module 230. Furthermore, it reaches the third branching channel by another reflection.
  • an optical signal containing four wavelengths is split into four different wavelengths of light in four divided channels, each incident through a beam adjuster (some channels can be used without a beam adjuster) to four focus coupling lenses 251 ⁇ 254, and then through the four focus coupling lenses focus coupling into the four photodetectors 261 ⁇ 264, converted into four electrical signals, transmitted to the circuit board of the latter stage, thus completing the reception of four optical signals.
  • a beam adjuster is disposed between the combined wave splitting module and the focus coupling lens of the light receiving component channel, and the different shape and refractive index parameters of the beam adjuster are selected, and the tilt direction of the beam adjuster is adjusted. And the tilt angle, the position and the exit angle of the beam after being emitted from the multiplexer module can be changed, thereby functioning together with the position adjustment of the focus coupling lens to improve the light energy receiving efficiency on the photodetector.
  • the light-emitting component or the light-receiving component of the present embodiment is configured as an optical module, or the light-emitting component and the light-receiving component proposed in the embodiment are integrated and designed to form an integrated light.
  • the module can provide 4 channels (or more) of wavelength channels for optical signal transmission, and meets the requirements of access network design for high-speed data communication of 100 Gbps and above.

Abstract

L'invention concerne un composant électroluminescent comportant un régulateur de faisceau, un composant de réception de lumière comportant un régulateur de faisceau, et un module optique. Outre le composant laser (110)/détecteur photoélectrique (260), un composant (120) de lentille d'alignement laser/lentille d'alignement de fibre (220), des modules (140, 230) de combinaison/séparation à multiplexage par répartition en longueur d'onde, une lentille (150) de couplage de focalisation/composant (250) de lentille de couplage de focalisation et des fibres (160, 210), des composants (130, 240) de régulateur de faisceau sont agencés entre le composant (120) de lentille d'alignement laser et le module (140) de combinaison/séparation à multiplexage par répartition en longueur d'onde du composant électroluminescent, et entre le module (230) de combinaison/séparation à multiplexage par répartition en longueur d'onde et le composant (250) de lentille de couplage de focalisation du composant électroluminescent ; des régulateurs de faisceau de formes différentes, de tailles différentes et à paramètres d'indice de réfraction différents sont ajoutés à des trajets lumineux de canal séparés, de sorte que les trajets lumineux de canal peuvent être régulés séparément, ce qui permet de maximaliser l'efficacité de couplage de trajets lumineux et de fournir une nouvelle conception de traitement de structure permettant davantage de canaux de communication et davantage d'intégration de trajets lumineux compacts dans des communications à fibre optique. On obtient ainsi des caractéristiques de structure simple, de mise en oeuvre aisée et analogue, ce qui permet d'assurer l'utilisation commerciale précoce d'un module de communication à grande vitesse.
PCT/CN2016/109569 2016-02-19 2016-12-13 Composant électroluminescent comportant un régulateur de faisceau, composant de réception de lumière comportant un régulateur de faisceau et module optique WO2017140164A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610093936.2 2016-02-19
CN201610093936.2A CN107102405A (zh) 2016-02-19 2016-02-19 一种带光束调整器的光发射组件、光接收组件及光模块

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Cited By (2)

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CN109683254A (zh) * 2018-11-30 2019-04-26 广东瑞谷光网通信股份有限公司 计算机可读存储介质和应用该介质的四通道波分复用光接收器件的准直透镜耦合装置
CN113534349A (zh) * 2021-07-22 2021-10-22 成都光创联科技有限公司 一种多通道高速器件准直光路的校正方法

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CN108551372B (zh) * 2018-03-23 2021-03-26 成都聚芯光科通信设备有限责任公司 一种多波长空间错位分合波模块
CN110716268A (zh) * 2018-07-14 2020-01-21 福州高意光学有限公司 基于垂直发射激光器和多模光纤的短波波段有源光学组件
JP6824474B2 (ja) * 2018-07-17 2021-02-03 三菱電機株式会社 集積光モジュールの製造方法
CN108614332A (zh) * 2018-07-24 2018-10-02 大连优迅科技有限公司 一种多路光高速传输发射装置
CN109669250A (zh) * 2019-03-07 2019-04-23 上海葛西光学科技有限公司 紧凑型一体化单纤三向传输用光收发光学组件
CN109802745B (zh) * 2019-04-11 2020-05-08 光联迅通科技集团有限公司 一种用于200g/400g光收发模块的8通道波分复用/解复用器件
CN111313969B (zh) * 2019-12-10 2022-01-11 长飞光纤光缆股份有限公司 一种光模块
CN112198601B (zh) * 2020-12-07 2021-02-26 武汉乾希科技有限公司 用于多通道光接收组件的光路耦合方法
US11808985B2 (en) * 2021-10-12 2023-11-07 Himax Technologies Limited Waveguide combiner with light beam processing area

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CN113534349A (zh) * 2021-07-22 2021-10-22 成都光创联科技有限公司 一种多通道高速器件准直光路的校正方法

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