WO2011035696A1 - 一种光模块 - Google Patents

一种光模块 Download PDF

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Publication number
WO2011035696A1
WO2011035696A1 PCT/CN2010/076920 CN2010076920W WO2011035696A1 WO 2011035696 A1 WO2011035696 A1 WO 2011035696A1 CN 2010076920 W CN2010076920 W CN 2010076920W WO 2011035696 A1 WO2011035696 A1 WO 2011035696A1
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WO
WIPO (PCT)
Prior art keywords
optical
ferrule
optical module
photoelectric conversion
conversion unit
Prior art date
Application number
PCT/CN2010/076920
Other languages
English (en)
French (fr)
Inventor
于飞
曾同新
赵俊英
张源
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2011035696A1 publication Critical patent/WO2011035696A1/zh
Priority to US13/424,753 priority Critical patent/US8916812B2/en

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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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • 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
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
    • 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
    • G02B6/421—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical component consisting of a short length of fibre, e.g. fibre stub
    • 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

Definitions

  • the present application claims priority to Chinese Patent Application No. 2009-10190744, filed on Sep. 24, 2009, the entire disclosure of which is incorporated herein by reference.
  • the present invention relates to the field of optical communication technologies, and in particular, to an optical module in an optical transmission system. Background of the invention
  • each module has a light path, for system products, according to the limit capability layout, single slot has 1. 0 inch
  • the width of the handle bar has a height of 9U. Up to 24 optical ports can be set, that is, 24 optical modules can be set, and the layout density of the optical channel is low.
  • Embodiments of the present invention provide an optical module capable of achieving a high-density layout of multiple optical channels.
  • the technical solution of the embodiment of the present invention is as follows:
  • An optical module comprising: an MT-Ferrule, and an MT-Ferrule, configured to connect a multi-channel optical channel external to the optical module and a multi-channel optical channel of the photoelectric conversion unit, to implement Coupling and transmission of multiple single mode optical signals;
  • the photoelectric conversion unit is configured to convert the multi-channel single-mode optical signal input from the MT-Ferrule into a multi-channel electrical signal and output the multi-channel optical signal by the input multi-channel electrical signal and output the signal to the Said MT-Ferrule.
  • FIG. 1 is a schematic structural view of an embodiment of an optical module of the present invention
  • FIG. 2 is a schematic structural view of another embodiment of an optical module according to the present invention.
  • FIG. 3 is a schematic structural view of a socket and an MT-Ferrule in an embodiment of an optical module according to the present invention
  • FIG. 4 is a schematic structural view of a socket and an MT-Fe rru 1 e in an embodiment of the optical module of the present invention
  • Figure 6 is a schematic view showing the structure of a socket, an MT-Ferrule and a fixing member in an embodiment of the optical module of the present invention
  • Figure 7 is a schematic view showing the connection of an MT-Ferrule and a photoelectric conversion unit in an embodiment of the optical module of the present invention
  • Figure 8 is a schematic view showing another form of connection of an MT-Ferrule and a photoelectric conversion unit in an embodiment of the optical module of the present invention
  • FIG. 9 is a schematic diagram of an interconnection manner between an MT-Ferrule, a photoelectric conversion unit, an electrical processing unit, and an external system board in an embodiment of the optical module of the present invention
  • FIG. 10 is a schematic diagram showing another manner of interconnection between an MT-Ferrule, a photoelectric conversion unit, an electrical processing unit, and an external system board in an embodiment of the optical module of the present invention
  • Figure 11 is a schematic view of an outer casing of an embodiment of the optical module of the present invention.
  • Figure 12 is a schematic illustration of a light processing channel of a photoelectric conversion unit in an embodiment of the optical module of the present invention.
  • an embodiment of the present invention provides an optical module, including: an MT-Ferrule (Mechanical lly Transferable-Ferrule mechanically connectable ferrule), and a photoelectric conversion unit.
  • an MT-Ferrule Mechanism lly Transferable-Ferrule mechanically connectable ferrule
  • the MT-Ferrule is configured to connect multiple (more than or equal to 2 channels) optical channels outside the optical module to multiple (more than or equal to 2) optical channels of the photoelectric conversion unit, to achieve multipath between the two Coupling and transmission of single mode optical signals;
  • a photoelectric conversion unit configured to convert a multi-channel single-mode optical signal input from the MT-Ferrule into a multi-channel electrical signal and output, or generate a multi-channel single-mode optical signal and output to the driven by the input multi-channel electrical signal
  • the MT-Ferrule, or both multi-channel single-mode optical signals input from the MT-Ferrule are converted into multi-channel electrical signals and output, and driven by the input multi-channel electrical signals, multi-channel single-mode optical signals are generated and Output to the MT-Fer ru 1 e.
  • the parallel transmission of the multi-channel single-mode optical signals is realized, the density of the optical channel layout is improved, and further, the long distance (20Km) can be realized. And above), etc., and because of the simultaneous transmission of multiple single-mode optical signals, the integration is improved, and the number of devices and the number of assembly times are reduced as compared with a plurality of devices that can only transmit one optical signal. , reducing costs.
  • the multi-channel optical channel may be a fiber ribbon or a plurality of optical waveguides.
  • the optical channel in the photoelectric conversion unit may be in the form of a single fiber unidirectional or a single fiber bidirectional.
  • the photoelectric conversion unit is further configured to receive the multi-channel single-mode optical signal input from the MT-Ferrule and pass the multi-channel single-mode optical signal to the PD (Photo Detector) Converted to an electrical signal, ⁇ ⁇ (Trans impedance ampl if ier transimpedance amplifier), amplified and transmitted to the electrical processing unit; or driven by multiple electrical signals generated by the electrical processing unit, by LD (laser) Diode, laser) generates a multi-channel single-mode optical signal and transmits to the MT-Ferrule; or receives both the multi-channel single-mode optical signal input from the MT-Ferrule and passes the multi-channel single-mode optical signal through the PD (Photo Detector , the optical receiver is converted into an electrical signal, amplified by a TiA (Trans impedance ampl if ier transimpedance amplifier), And transmitted to the electrical processing unit, and driven by the multi-channel electrical signal generated by the electrical processing unit,
  • the LD generates a multiplexed single mode optical signal and transmits it to the MT_Ferrule.
  • the optical module may further include an electrical processing unit.
  • the electrical processing unit is configured to convert the multi-channel electrical signal input by the optical module into a multi-channel electrical signal that drives the photoelectric conversion unit to generate multiple single-mode optical signals; or multi-channel electrical signals output by the photoelectric conversion unit Amplifying and transmitting to a circuit external to the optical module; or converting the multiple electrical signals input from the external optical module into multiple electrical signals that drive the photoelectric conversion unit to generate multiple single-mode optical signals, and converting the photoelectric conversion unit
  • the output multi-channel electrical signal is amplified and transmitted to an external circuit of the optical module.
  • the electrical processing unit is further configured to perform timing and logic management on the multiple electrical signals that are converted and amplified.
  • the electrical processing unit may be specifically configured to convert a multi-channel electrical signal input from an external optical module into an LD (Laser Diode) that drives the photoelectric conversion unit to generate a multi-channel single-mode optical signal.
  • the multiplexed electrical signal; or the photoelectric conversion unit is converted by a PD (Photo Detector, optical receiver) and amplified by a plurality of amplified electrical signals, and transmitted to an external circuit of the optical module; or the above two processes are completed.
  • the timing and logic management are performed on the multi-channel electrical signals that are converted and amplified. As shown in FIG.
  • the optical module further includes a socket 6 recessed with a receiving portion 61, and an inner wall of the receiving portion 61 is opposite to an outer contour of the MT-Ferrule 5.
  • the MT-Ferrule 5 is received in the accommodating portion 61, and the accommodating portion 61 is configured to fix the MT-Ferrule 5 so as to make a multi-way optical connector (such as MP0 (Mul t if iber Push). -On, plug-in multiplex fiber optic connector) or MTP (Mul t if iber Termination Push-on) optical connector) can be connected to the MT-Ferrule for signal transmission;
  • MP0 Mul t if iber Push
  • MTP MTP
  • the MT-Ferrule is provided with a connecting portion 51, and the connecting portion 51 of the MT-Ferrule 5 is held or fixed by a medium (for example, a screw, glue, etc.).
  • a medium for example, a screw, glue, etc.
  • the socket 6 passes the MT-Ferrule 5 through the connecting portion 51
  • the fixing is performed such that a plurality of optical connectors (such as MP0 or MTP optical connectors) mated with the socket 6 can be connected to the MT-Ferrule 5 for signal transmission.
  • the optical module further includes a socket (receptacle) 6 and a fixing member 7.
  • the fixing member 7 is recessed with a receiving portion 71, and the MT-Ferrule 5 is The shape of the MT-Ferrule 5 is adapted to the shape of the inner wall of the accommodating portion 71 so that the MT-Ferrule can be properly held or fixed by a medium (for example, a screw, glue, etc.).
  • a medium for example, a screw, glue, etc.
  • the fixing member 7 is further provided with an engaging portion 72 for connecting with the socket 6 and fixed, so that a multi-way optical connector (such as an MP0 or MTP optical connector) that cooperates with the socket can Connected to the MT-Ferrule5 for signal transmission.
  • a multi-way optical connector such as an MP0 or MTP optical connector
  • the fixing member 7 may be disposed as two upper and lower split portions, and a cavity is disposed inside at least one of the split portions, and after the two split portions are combined, The cavity forms the housing portion 71.
  • the MT-Ferrule 5 is housed in the accommodating portion 71, the MT-Fer r u 1 e can be clamped and fixed by the upper and lower split portions.
  • the fixing member 7 is provided as two upper and lower split portions, and one of the two divided portions is integrally formed with the socket 6. It is not difficult to understand that the fixing member 7 and the MT-Fer rule 5 may be integrally formed.
  • the connection form of the MT-Ferrule and the photoelectric conversion unit is as follows:
  • each of the multiple optical channels 54 of the MT-Ferrule 5 is coupled to each of the multiple optical paths 41 (which may be a plurality of optical waveguides or optical fiber ribbons) of the photoelectric conversion unit 4, respectively.
  • the tail end of the multi-path optical channel 54 of the MT-Ferrule 5 may be in the form of a fiber Array which is coupled to the multi-path optical path 41 of the photoelectric conversion unit 4.
  • the tail end of the multi-path optical channel 54 of the MT-Ferrule 5 may be a multi-path fiber, and the multi-path fiber is placed in a limiting slot of the photoelectric conversion unit 4 (for example: The V-shaped groove or the U-shaped groove is coupled to the light path 41 of the photoelectric conversion unit 4.
  • the interconnection between the MT-Ferrule, the photoelectric conversion unit, the electrical processing unit, and the external system board is as follows:
  • the optical module includes the MT-Ferrule 5, the photoelectric conversion unit 4, and the electric
  • the processing unit 3, the electrical processing unit 3 is independently disposed with the external system board, the MT-Ferrule 5 is optically connected to the photoelectric conversion unit 4, and the photoelectric conversion unit 4 and the electrical processing unit 3 are electrically connected to each other. even.
  • the optical module is electrically interconnected with an external system board by means of a gold finger or a connector.
  • the optical module includes the MT-Ferrule 5 and the photoelectric conversion unit 4, the electrical processing unit is integrated on an external system board 2, and the MT-Ferrule 5 is optically connected to the photoelectric conversion unit 4, and the photoelectric The conversion unit 4 and the external system board 2 are electrically interconnected by means of a gold finger or a connector or the like.
  • the optical module in addition to the MT-Ferrule and the photoelectric conversion unit, the optical module further includes a casing 9, the casing 9 is disposed on the MT-Ferrule 5, and the photoelectric
  • the conversion unit 4 is externally disposed, or the outer casing is disposed outside the MT-Ferrule 5, the photoelectric conversion unit 4, and the electrical processing unit 3 for achieving heat dissipation, physical protection, and electromagnetic shielding.
  • the photoelectric conversion unit integrates a plurality of light processing channels, and the plurality of light processing channels may be arranged side by side (see FIG. 12).
  • the optical channel through which the optical signal is input (labeled as "PLC waveguide optical channel,”), and the optical channel through which the filter 2 communicates with the laser are substantially in the same plane.
  • the input optical signal enters through the optical channel (labeled “PLC waveguide optical channel” in the figure), and is transmitted by the PD through the filter 2 (integrated or independent in the PLC); the optical signal from the LD enters the optical channel (in the figure) Marked as "PLC waveguide optical channel", through the filter 2 (integrated or independent in the PLC) reflected into the same optical channel as the input optical signal, the output of the optical signal is completed.
  • the LD chip of the plurality of optical processing channels included in the photoelectric conversion unit constitutes a plurality of LD chips, and the plurality of LD chips may be a plurality of discrete LD chips, or may be an LD chip array, or may be a PIC (Photonic Integrated) Ci rcui t, photon integration), can also be implemented by 0EIC (Opic ic Electr ic Integrated Circui t).
  • the PD chip of the plurality of optical processing channels included in the photoelectric conversion unit constitutes a plurality of PD chips, and the plurality of PD chips may be a plurality of discrete PD chips, or may be a PD chip array, or may be a PIC (Photonic Integrated) Ci rcui t, photon integration), can also be implemented by 0EIC (Opic ic Electr ic Integrated Circui t).
  • the optical channels of the plurality of light processing channels included in the photoelectric conversion unit may be free spaces. It can also be realized by PLC (Plannar Lightwave Ci rcui t). It is not difficult to understand that the photoelectric conversion unit may be a single mode parallel light emitting component, or a single mode parallel light receiving component, or a single mode single fiber bidirectional parallel optical transceiver integrated component.
  • the single-mode parallel light emitting component may include a plurality of LD chips, or an LD chip array, or PIC, or 0EIC, and output optical components of multiple parallel optical signals through free space or PLC, for example: Luminous components, or multiplexed optical components based on PIC or 0EIC.
  • the single-mode parallel light receiving component may include a plurality of PD chips, or a PD chip array, or a PIC, or an OLED, and receive optical components of multiple parallel optical signals through a free space or a PLC waveguide, for example: PLC-based Multiple optical components, or multiplexed optical components based on PIC or 0EIC.
  • the single-mode parallel optical transceiver integrated component may include a plurality of LD chips or LD chip arrays or PIC or OE ICs, and a plurality of PD chips or PD chip arrays or PICs or 0EICs, and transmit them through free space or PLC waveguides and the like.
  • An optical component that receives multiple parallel optical signals such as: PLC-based multiple optical components, or PIC or 0EIC-based multiple optical components.
  • the present invention further provides an embodiment of a communication device, where the communication device includes the optical module described in the foregoing embodiment, and the communication device may be: P2P (POINT TO POINT), or PON (PASSIVE OPTICAL NETWORK, Passive optical network) Optical access equipment, or wavelength division photoelectric conversion equipment, or routers, etc.
  • P2P POINT TO POINT
  • PON PASSIVE OPTICAL NETWORK, Passive optical network
  • Optical access equipment or wavelength division photoelectric conversion equipment, or routers, etc.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Description

一种光模块
本申请要求于 2009年 9月 24 日提交中国专利局、 申请号为 200910190744. 3、 发明名称为 " 一种光模块" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及光通信技术领域， 尤其涉及一种光传输系统中的光模块。 发明背景
目前存在的光模块如 SFP ( Sma l l Form-facotr Pluggab le, 小型可插 拔）模块， 每个模块有一路光通路， 对于系统类产品， 按照极限能力来布 局， 单槽位具有 1. 0寸的宽度， 拉手条具有 9U的高度， 最多可以设置 24 个光口， 也就是可以设置 24个光模块， 光通道的布局密度较低。
在实现本发明的过程中， 发明人发现由于光网络系统的容量不断增大， 光口密度需要进一步提高。 发明内容 本发明实施例提供一种光模块， 能够实现多个光通道的高密布局。 为了解决上述技术问题， 本发明实施例的技术方案如下：
一种光模块， 包括： 包括： MT-Ferrule, 以及光电转换单元， 所述 MT-Ferrule, 用于连接光模块外部的多路光通道与所述光电转换 单元的多路光通道， 实现二者之间多路单模光信号的耦合及传输；
光电转换单元， 用于将从 MT-Ferrule输入的多路单模光信号转换为多 路电信号并输出， 在输入的多路电信号的驱动下， 产生多路单模光信号并 输出到所述 MT-Ferrule。
本实施例通过在本发明的实施例中 , 通过将 MT-Ferrule以及光电转换 单元组合在一起， 实现了多路单模光信号的并行传输， 提高了光通道布局 的密度。 附图简要说明
实施例或现有技术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例 , 对于本领域普通技术人员 来讲， 在不付出创造性劳动性的前提下， 还可以根据这些附图获得其他的 附图。
图 1是本发明光模块的一种实施例的结构示意图；
图 2是本发明光模块的另一种实施例的结构示意图；
图 3是本发明光模块的实施例中插座及 MT-Ferrule的结构示意图； 图 4是本发明光模块的实施例中插座及 MT-Fe r r u 1 e的结构示意图； 图 5是本发明光模块的实施例中插座， MT-Ferrule及固定件的结构示 意图；
图 6是本发明光模块的实施例中插座， MT-Ferrule及固定件的结构示 意图；
图 7是本发明光模块的实施例中 MT-Ferrule与光电转换单元的连接示 意图；
图 8是本发明光模块的实施例中 MT-Ferrule与光电转换单元的连接另 一种形式的示意图；
图 9是本发明光模块的实施例中， MT-Ferrule、 光电转换单元、 电处 理单元之间， 以及与外部系统板间的一种互连方式的示意图；
图 10是本发明光模块的实施例中， MT-Ferrule、 光电转换单元、 电处 理单元之间 , 以及与外部系统板间的另一种互连方式的示意图；
图 11是本发明光模块的实施例中， 外壳的示意图；
图 12是本发明光模块的实施例中， 光电转换单元的光处理通道的示意 图。
实施本发明的方式 下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进 行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没 有作出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的 范围。 如图 1 所示， 本发明的实施例提出一种光模块， 包括： MT-Ferrule ( Mechanica l ly Transferable-Ferrule机械可转接插芯）， 以及光电转换 单元，
所述 MT-Ferrule, 用于连接光模块外部的多路 (大于或等于 2路）光 通道与所述光电转换单元的多路（大于或等于 2路）光通道， 实现二者之 间多路单模光信号的耦合及传输；
光电转换单元， 用于将从 MT-Ferrule输入的多路单模光信号转换为多 路电信号并输出， 或在输入的多路电信号的驱动下， 产生多路单模光信号 并输出到所述 MT-Ferrule,或既将从 MT-Ferrule输入的多路单模光信号转 换为多路电信号并输出， 又在输入的多路电信号的驱动下， 产生多路单模 光信号并输出到所述 MT-Fer r u 1 e。 在本发明的实施例中， 通过将 MT-Ferrule以及光电转换单元组合在一 起， 实现了多路单模光信号的并行传输， 提高了光通道布局的密度， 进一 步地， 可以实现长距（20Km及以上）等场景的光传送， 而且由于同时传输 多路单模光信号， 与釆用多个只能传输一路光信号的器件相比， 提高了集 成度， 减少了器件的数量和组装的次数， 减少了成本。 其中， 所述的多路光通道可以为光纤带或多个光波导。 所述光电转换 单元中的光通道可以为单纤单向的形式， 也可以是单纤双向的形式。
在本发明的另一实施例中， 所述光电转换单元， 进一步用于接收从 MT-Ferrule输入的多路单模光信号并将所述多路单模光信号通过 PD( Photo Detector , 光接收器)转换为电信号, ^ί Τιλ ( Trans impedance ampl if ier 转阻放大器，）进行放大， 并传输到电处理单元； 或者在电处理单元产生的 多路电信号的驱动下， 通过 LD ( Laser Diode, 激光器）产生多路单模光信 号并传输到所述 MT-Ferrule;或者既接收从 MT-Ferrule输入的多路单模光 信号并将所述多路单模光信号通过 PD ( Photo Detector , 光接收器）转换 为电信号， 经 TiA ( Trans impedance ampl if ier转阻放大器， )进行放大， 并传输到电处理单元， 又在电处理单元产生的多路电信号的驱动下， 通过
LD产生多路单模光信号并传输到所述 MT_Ferrule。 如图 2 所示， 在另一实施例中， 所述光模块可以进一步包括电处理单 元，
所述电处理单元， 用于将光模块外部输入的多路电信号转换为驱动光 电转换单元产生多路单模光信号的多路电信号； 或将所述光电转换单元输 出的多路电信号进行放大， 并传输到光模块外部的电路； 或者既将光模块 外部输入的多路电信号转换为驱动光电转换单元产生多路单模光信号的多 路电信号， 又将所述光电转换单元输出的多路电信号进行放大， 并传输到 光模块外部电路。
在另一实施例中， 所述电处理单元还进一步用于， 对上述进行转换及 放大处理的多路电信号进行时序、 逻辑管理。 作为本发明的另一实施例 , 所述电处理单元可以具体用于将来自光模 块外输入的多路电信号转换为驱动光电转换单元的 LD ( Laser Diode, 激光 器）产生多路单模光信号的多路电信号； 或将所述光电转换单元通过 PD ( Photo Detector , 光接收器）转换并经放大的多路电信号进行后放大， 并传输到光模块外部电路； 或者完成上述两种处理。 并对上述进行转换及 放大处理的多路电信号进行时序、 逻辑管理。 如图 3所示， 在另一实施例中， 所述光模块还进一步包括插座 6 , 所述 插座凹设有容纳部 61 ,所述容纳部 61的内壁与所述 MT-Ferrule5的外部轮 廓相适应， 所述 MT-Ferrule5容置在所述容纳部 61 内， 所述容纳部 61用 于固定所述 MT-Ferrule5 , 使得与插座配合的多路光连接器 （如 MP0 ( Mul t i-f iber Push-On , 插入式多路光纤连接器）或 MTP ( Mul t if iber Terminat ion Push-on, 插入式多端口光纤连接器）光连接器） 能够与所述 MT-Ferrule进行连接， 实现信号传送；
或者， 如图 4所示， 另外一种设计形式： 所述 MT-Ferrule设置有连接 部 51 , 所述 MT-Ferrule5的连接部 51卡持或通过媒介（例如： 螺钉， 胶水 等）固定在所述插座上 6 ,所述插座 6通过所述连接部 51将所述 MT-Ferrule5 进行固定， 使得与插座 6配合的多路光连接器（如 MP0或 MTP光连接器） 能够与所述 MT-Ferrule5进行连接， 实现信号传送。
或者， 如图 5 所示， 另外一种设计形式： 所述光模块还进一步包括插 座（Receptacle ) 6 , 以及固定件 7 , 所述固定件 7凹设有收容部 71 , 所述 MT-Ferrule5容置在所述收容部 71内， 所述 MT-Ferrule5的外形与所述收 容部 71的内壁形状相适应， 使得所述 MT-Ferrule能够恰好卡持或通过媒 介（例如： 螺钉， 胶水等） 固定在所述收容部内。 所述固定件 7还设置有 接合部 72 , 所述接合部 72用于与所述插座 6进行连接， 并固定， 使得与插 座配合的多路光连接器（如 MP0或 MTP光连接器）能够与所述 MT-Ferrule5 进行连接， 实现信号传送。
如图 5所示， 所述固定件 7可以设置为上下两个分体式部分， 在至少 一个所述分体式部分的内部设置有腔体， 所述两个分体式部分合在一起后， 所述腔体形成所述收容部 71。 MT-Ferrule5容置在所述收容部 71内后， 可 以通过所述上下两个分体式部分将所述 MT-Fer r u 1 e进行夹持固定。
另外， 如图 6所示， 所述固定件 7设置为上下两个分体式部分， 并且 所述两个分体式部分中的一个与所述插座 6 —体成型。 不难理解， 所述固 定件 7与所述 MT-Fer rule5也可以一体成型。 在本发明的实施例中， MT-Ferrule与光电转换单元的连接形式有以下 几种：
如图 7所示， MT-Ferrule5的多路光通道 54中的每一路与光电转换单 元 4的多路光通路 41 (可以是多个光波导或光纤带）中的每一路分别耦合。 所述 MT-Ferrule5的多路光通道 54的尾端可以 #支成 Fiber Array (光纤阵 列）形式， 所述 Fiber Array与光电转换单元 4的多路光通路 41耦合。
或者， 如图 8所示， 所述 MT-Ferrule5的多路光通道 54的尾端可以为 多路棵纤， 并将所述多路棵纤放入光电转换单元 4的限位槽（如： V型槽或 U型槽） 内， 并与所述光电转换单元 4的光通路 41进行耦合。
在本发明的实施例中， MT-Ferrule、 光电转换单元、 电处理单元之间， 以及与外部系统板间的互连方式有以下几种：
如图 9所示的结构示意图， 第一种：
所述光模块包括所述 MT-Ferrule5、 所述光电转换单元 4、 以及所述电 处理单元 3 , 所述电处理单元 3 与所述外部系统单板独立设置， 所述 MT-Ferrule5与所述光电转换单元 4光连接，所述光电转换单元 4与所述电 处理单元 3 电互连。 所述光模块通过金手指或连接器等方式与外部系统单 板电互连。
如图 10所示的结构示意图， 第二种：
所述光模块包括所述 MT-Ferrule5以及所述光电转换单元 4 ,所述电处 理单元集成在外部系统单板 2上，所述 MT-Ferrule5与所述光电转换单元 4 光连接， 所述光电转换单元 4与外部系统单板 2通过金手指或连接器等方 式电互连。
如图 11所示， 在本发明的实施例中， 除 MT-Ferrule和光电转换单元 之外， 所述光模块还进一步包括外壳 9 , 所述外壳 9 罩设在所述 MT-Ferrule5 , 以及光电转换单元 4 外部， 或者， 所述外壳罩设在所述 MT-Ferrule5 , 光电转换单元 4 , 以及电处理单元 3的外部， 用于实现散热、 物理保护、 以及电磁屏蔽。
在本发明的实施例中， 所述光电转换单元将多个光处理通道进行集成， 所述多个光处理通道可以并排布局设置（参见图 12 )。
如图 12所示， 在单个光处理通道中， 输入光信号经过的光通道（图中 标示为 "PLC波导光通道，，）， 以及， 滤波器 2与激光器相连通的光通道基本 位于同一平面。 输入光信号通过光通道（图中标示为 "PLC波导光通道"） 进入， 透过滤波器 2 ( PLC内集成或独立的）， 由 PD接收； LD发出的光信号 进入光通道（图中标示为 "PLC波导光通道"）， 通过滤波器 2 ( PLC内集成 或独立的）反射进入到与输入光信号相同的光通道， 完成光信号的输出。
所述光电转换单元包括的多个光处理通道的 LD芯片组成多个 LD芯片 , 所述多个 LD芯片可以为多个分立的 LD芯片， 也可以为 LD芯片阵列 , 也可 以是 PIC( Photonic Integrated Ci rcui t ,光子集成 ),还可以是 0EIC( Opt ic Electr ic Integrated Circui t , 光电集成) 的方式实现。
所述光电转换单元包括的多个光处理通道的 PD芯片组成多个 PD芯片 , 所述多个 PD芯片可以为多个分立的 PD芯片， 也可以为 PD芯片阵列， 也可 以是 PIC( Photonic Integrated Ci rcui t ,光子集成 ),还可以是 0EIC( Opt ic Electr ic Integrated Circui t , 光电集成) 的方式实现。
所述光电转换单元包括的多个光处理通道的光通道可以为自由空间， 也可以是 PLC ( Plannar Lightwave Ci rcui t , 平面光波导）方式实现。 不难理解， 所述光电转换单元可以为单模并行光发射组件， 或者， 单 模并行光接收组件， 或者单模单纤双向并行光收发一体组件。
所述单模并行光发射组件可以包括多个 LD芯片 , 或者 LD芯片阵列 , 或者 PIC, 或者 0EIC, 并且通过自由空间或 PLC等方式输出多路并行光信 号的光组件， 例如： 基于 PLC的多路光组件， 或者基于 PIC或 0EIC的多路 光组件。
所述单模并行光接收组件可以包括多个 PD芯片 , 或者 PD芯片阵列 , 或者 PIC, 或者 0EIC, 并且通过自由空间或 PLC波导等方式接收多路并行 光信号的光组件， 例如： 基于 PLC的多路光组件， 或者基于 PIC或 0EIC的 多路光组件。
所述单模并行光收发一体组件可以包括多个 LD芯片或 LD芯片阵列或 PIC或 0EIC, 以及， 多个 PD芯片或 PD芯片阵列或 PIC或 0EIC, 并且通过 自由空间或 PLC 波导等方式发射及接收多路并行光信号的光组件， 例如： 基于 PLC的多路光组件， 或者基于 PIC或 0EIC的多路光组件。
本发明还提供一种通信设备的实施例 , 所述通信设备包括上述实施例 中所述的光模块， 所述通信设备可以为： P2P ( POINT TO POINT, 点对点）、 或 PON ( PASSIVE OPTICAL NETWORK, 无源光网络）光接入设备、 或波分光 电转换设备、 或路由器等。
以上所述仅为本发明的几个实施例 , 本领域的技术人员依据申请文件

Claims

权利要求
1、 一种光模块， 其特征在于， 包括： MT-Ferrule， 以及光电转换单元， 所述 MT-Ferrule, 用于连接光模块外部的多路光通道与所述光电转换 单元的多路光通道；
光电转换单元， 用于将从 MT-Ferrule输入的多路单模光信号转换为多 路电信号并输出， 或在输入的多路电信号的驱动下， 产生多路单模光信号 并输出到所述 MT-Ferrule,或既将从 MT-Ferrule输入的多路单模光信号转 换为多路电信号并输出， 又在输入的多路电信号的驱动下， 产生多路单模 光信号并输出到所述 MT-Fer r u 1 e。
2、 如权利要求 1所述的光模块， 其特征在于， 所述光模块还进一步包 括插座， 所述插座凹设有容纳部， 所述容纳部的内壁与所述 MT-Ferrule的 形状相适应， 所述 MT-Ferrule容置在所述容纳部内， 所述容纳部用于固定 所述 MT-Fer ru 1 e , 使得与插座配合的多路光连接器能够与所述 MT-Fer ru 1 e 进行连接。
3、 如权利要求 1所述的光模块， 其特征在于， 所述光模块还进一步包 括插座， 所述 MT-Ferrule设置有连接部， 所述 MT-Ferrule的连接部卡持 或通过媒介固定在所述插座上， 所述插座通过所述连接部将所述 MT-Ferrule 进行固定， 使得与插座配合的多路光连接器能够与所述 MT-Ferrule进行连接。
4、 如权利要求 1所述的光模块， 其特征在于， 所述光模块还进一步包 括插座， 以及固定件， 所述固定件凹设有收容部， 所述 MT-Ferrule容置在 所述收容部内， 所述 MT-Ferrule的外形与所述收容部的内壁形状相适应， 使得所述 MT-Ferrule能够卡持或通过媒介固定在所述收容部内， 所述固定 件还设置有接合部， 所述接合部用于与所述插座进行连接， 并固定， 使得 与插座配合的多路光连接器能够与所述 MT-Ferrule进行连接。
5、 如权利要求 4所述的光模块， 其特征在于， 所述固定件可以设置为 上下两个分体式部分， 在至少一个所述分体式部分的内部设置有腔体， 所 述两个分体式部分合在一起后， 所述腔体形成所述收容部， MT-Ferrule容 置在所述收容部内后， 通过所述上下两个分体式部分将所述 MT-Ferrule进 行夹持固定。
6、 如权利要求 5所述的光模块， 其特征在于， 所述固定件设置为上下 两个分体式部分， 并且所述两个分体式部分中的一个与所述插座一体成型。
7、 如权利要求 1所述的光模块， 其特征在于， 所述 MT-Ferrule的多 路光通道的尾端为光纤阵列形式， 所述光纤阵列与光电转换单元的多路光 通路耦合。
8、 如权利要求 1所述的光模块， 其特征在于， 所述 MT-Ferrule的多 路光通道的尾端为多路棵纤， 所述多路棵纤位于光电转换单元的限位槽内， 并与所述光电转换单元的光通路进行耦合。
9、 如权利要求 1所述的光模块， 其特征在于， 所述光模块进一步包括 电处理单元，
所述电处理单元， 用于将光模块外部输入的多路电信号转换为驱动光 电转换单元产生多路单模光信号的多路电信号； 或将所述光电转换单元输 出的多路电信号进行放大， 并传输到光模块外部的电路； 或者既将光模块 外部输入的多路电信号转换为驱动光电转换单元产生多路单模光信号的多 路电信号， 又将所述光电转换单元输出的多路电信号进行放大， 并传输到 光模块外部电路。
10、 如权利要求 9 所述的光模块， 其特征在于， 所述电处理单元与所 述外部系统单板独立设置， 或者， 所述电处理单元集成在外部系统单板上。
11、 如权利要求 1 所述的光模块， 其特征在于， 所述光电转换单元将 多个光处理通道进行集成， 所述多个光处理通道并排布局设置。
12、 一种通信设备， 其特征在于， 包括如权利要求 1-11任一项所述的 光模块。
13、如权利要求 12所述的通信设备，其特征在于，所述通信设备为 P2P、 或 PON光接入设备、 或波分光电转换设备、 或路由器。
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