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    • 1. 发明申请
    • EMI SHIELDING DEVICE FOR AN OPTICAL TRANSCEIVER
    • 用于光收发器的EMI屏蔽装置
    • WO2016201618A1
    • 2016-12-22
    • PCT/CN2015/081542
    • 2015-06-16
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.
    • ZHANG, ShaoyouZHANG, Shengzhong
    • H05K9/00
    • H05K9/0058H04B10/40H05K9/0015
    • An EMI shielding device for an optical transceiver is disclosed. The EMI shielding device includes a shell with an optical and electrical interfaces at opposed ends. The shell includes a base and an upper cover. The upper cover includes a plate having at least two flanks, each having a lateral plate that extends downward. The base includes a base plate having at least two flanks, each having a base side baffle. The upper cover plate is located between the base side baffles. The lower ends or surfaces of the upper cover lateral plates have serrations thereon. A conductive gasket under the serrations contacts the base. The conductive gasket and the serrations result in reliable multipoint contact between the upper cover lateral plates and the base, thereby providing reliable electrical continuity between the upper cover and the base, and reducing electromagnetic leakage.
    • 公开了一种用于光收发器的EMI屏蔽装置。 EMI屏蔽装置包括在相对端具有光学和电气接口的外壳。 壳体包括底座和上盖。 上盖包括具有至少两个侧面的板,每个侧面具有向下延伸的侧板。 底座包括具有至少两个侧面的底板,每个侧面具有底侧挡板。 上盖板位于基座侧挡板之间。 上盖侧板的下端或表面上有锯齿。 锯齿下方的导电垫片接触底座。 导电垫片和锯齿导致上盖侧板和基座之间的可靠多点接触,从而在上盖和基座之间提供可靠的电连续性,并减少电磁泄漏。
    • 2. 发明申请
    • MULTI-CHANNEL, PARALLEL TRANSMISSION OPTICAL MODULE, AND METHODS OF MAKING AND USING THE SAME
    • 多通道,并行传输光学模块及其制造和使用方法
    • WO2016119115A1
    • 2016-08-04
    • PCT/CN2015/071599
    • 2015-01-27
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.
    • TANG, XiaohuiWANG, QiangSUN, YuefengWU, KuiXU, Yuanzhong
    • G02B6/43
    • H04B10/501G02B6/3885G02B6/421G02B6/4245G02B6/4246G02B6/4249G02B6/4263G02B6/428G02B6/4292G02B6/4472
    • A high speed optical module, and in particular, a multi-channel, single-mode, parallel transmission optical module in the field of optical communication is disclosed. The optical module includes a chassis, a first transmitter optical subassembly (TOSA), a second transmitter optical subassembly (TOSA), a third transmitter optical subassembly (TOSA), a fourth transmitter optical subassembly (TOSA) and a MT fiber connector. The TOSA may be a TO-38 TOSA of a 10G DFB chip or FP chip. With single-mode communication, the optical module provides a transmission distance over 10 kilometers. In addition, to make coupling single-mode fibers easier, a twelve-core MT fiber connector is employed, wherein four fiber connectors are respectively connected to LC standard fiber stubs and the outputs of the TOSAs accordingly. Thus, the optical module further provides high speed and long-distance transmission, large capacity, small volume, and light weight and can be broadly applied to high speed optical communications.
    • 公开了一种高速光学模块,特别是在光通信领域中的多通道单模并行传输光模块。 光学模块包括底盘,第一发射机光学子组件(TOSA),第二发射机光学子组件(TOSA),第三发射机光学子组件(TOSA),第四发射机光学子组件(TOSA)和MT光纤连接器。 TOSA可能是10G DFB芯片或FP芯片的TO-38 TOSA。 通过单模通信,光模块提供10公里以上的传输距离。 另外,为了简化耦合单模光纤,采用十二芯MT光纤连接器,其中四个光纤连接器分别连接到LC标准光纤短接头和TOSA的输出。 因此,光模块进一步提供高速和长距离传输,容量大,体积小,重量轻,可广泛应用于高速光通信。
    • 4. 发明申请
    • CIRCUIT, OPTICAL MODULE, METHODS AND OPTICAL COMMUNICATION SYSTEM FOR DUAL-RATE POWER POINT COMPENSATION
    • 用于双速功率点补偿的电路,光学模块,方法和光通信系统
    • WO2016101125A1
    • 2016-06-30
    • PCT/CN2014/094604
    • 2014-12-23
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.
    • JIA, ChaoboHUANG, YuanjunXU, Yuanzhong
    • H04B10/07H01S5/065
    • H01S3/1305H01S3/09H01S5/042H01S5/0683H04B10/07H04B10/07955H04B10/40H04B10/503
    • A dual-rate power point compensating circuit, comprising a microprocessor and a transmitter optical subsystem assembly (TOSA), wherein the TOSA includes a laser connected to a laser driver, a monitor photodiode (MPD) connected to the laser driver, and a current divider connected to the microprocessor and the MPD. When a feedback current from the MPD exceeds the adjustable and/or operating range of the laser driver, the feedback current is reduced so that it is kept in the adjustable and/or operating range of the laser driver. The laser driver determines the optical output power of the laser from the value of the reduced feedback current. The circuit and method extend the adjustable and/or operating range of a laser driver and enable it to regulate a target optical output power of the laser with a broad testing range and high accuracy when the feedback current is relatively high.
    • 一种双速率功率点补偿电路,包括微处理器和发射机光学子系统组件(TOSA),其中TOSA包括连接到激光驱动器的激光器,连接到激光驱动器的监视器光电二极管(MPD)和电流分配器 连接到微处理器和MPD。 当来自MPD的反馈电流超过激光驱动器的可调节和/或操作范围时,反馈电流减小,使得其保持在激光驱动器的可调整和/或操作范围内。 激光驱动器根据减小的反馈电流的值确定激光器的光输出功率。 该电路和方法扩展了激光驱动器的可调节和/或操作范围,并使其能够在反馈电流相对较高时以广泛的测试范围和高精度调节激光器的目标光输出功率。
    • 5. 发明申请
    • OPTICAL TRANSCEIVER WITH ISOLATED MODULATOR CONTACTS AND/OR INPUTS
    • 具有隔离调制解调器接触和/或输入的光学收发器
    • WO2014139103A1
    • 2014-09-18
    • PCT/CN2013/072541
    • 2013-03-13
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.MARGALIT, NearHEIMBUCH, MarkZHANG, Shengzhong
    • MARGALIT, NearHEIMBUCH, MarkZHANG, Shengzhong
    • H04J14/00H04B10/516H01S5/00
    • H04B10/506H01S5/00H01S5/0085H01S5/4012H01S5/4087H04B10/40H04B10/516H04J14/00
    • A multi-channel optical transmitter generally includes a first light source configured to emit light of a first wavelength, a second light source configured to emit light of a second wavelength, a first modulator configured to modulate the light of the first wavelength, and a second modulator configured to modulate the light of the second wavelength. The first modulator has a first anode and a first cathode, and the second modulator has a second anode and a second cathode electrically isolated from the first anode and the first cathode. The modulators (and optionally the light sources) are on a common substrate. A method of transmitting optical signals generally includes modulating light emitted from a first light source using a first modulator, and modulating light emitted from a second light source using a second modulator, where the first modulator receives a first modulation signal, and the second modulator receives a second modulation signal electrically isolated from the first modulation signal.
    • 多通道光发射机通常包括被配置为发射第一波长的光的第一光源,被配置为发射第二波长的光的第二光源,被配置为调制第一波长的光的第一调制器,以及第二光源 调制器被配置为调制第二波长的光。 第一调制器具有第一阳极和第一阴极,并且第二调制器具有与第一阳极和第一阴极电隔离的第二阳极和第二阴极。 调制器(以及可选的光源)在公共衬底上。 传输光信号的方法通常包括使用第一调制器调制从第一光源发出的光,以及使用第二调制器调制从第二光源发射的光,其中第一调制器接收第一调制信号,并且第二调制器接收 与第一调制信号电隔离的第二调制信号。
    • 8. 发明申请
    • A MULTIFUNCTIONAL LASER DIODE DRIVING CIRCUIT, A MODULE COMPRISING THE SAME, AND A METHOD USING THE SAME
    • 多功能激光二极管驱动电路,包含该激光二极管驱动电路的模块及使用其的方法
    • WO2017004798A1
    • 2017-01-12
    • PCT/CN2015/083516
    • 2015-07-08
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.
    • YAO, HaijunHUANG, YuanjunWEI, Qiuming
    • H01S5/062H04B10/00
    • H04B10/0791H04B10/071H04B10/077H04B10/0795H04B10/0799H04B10/503H04B10/801H04B2210/074
    • A multifunctional laser driving circuit (100), and an optical module and method of using the same, are disclosed. The circuit (100) combines first and second optical signals having different functions to form a compound signal, and switches among the first optical signal, second optical signal and compound signal by enabling or disabling first and second laser drivers (120,125) corresponding to the first and second optical signals. The circuit (100) can provide functions to optical modules, including converting an electrical data signal into an optical data signal; converting an electrical line monitoring signal into an optical line monitoring signal; combining the optical data and line monitoring signals and synchronously transmitting them to a fiber; and providing an OTDR function. Relative to using external OTDR tools to detect line faults, the present circuit (100) and method enables simple line connection, timely detection of lines faults, and low costs of implementation.
    • 公开了一种多功能激光驱动电路(100)及其使用方法。 电路(100)组合具有不同功能的第一和第二光信号以形成复合信号,并通过启用或禁用与第一光信号,第二光信号和复合信号相对应的第一和第二激光驱动器(120,125) 和第二光信号。 电路(100)可以向光学模块提供功能,包括将电数据信号转换成光数据信号; 将电线监视信号转换成光线路监视信号; 组合光数据和线路监测信号,并将其同步传输到光纤; 并提供OTDR功能。 相对于使用外部OTDR工具来检测线路故障,本电路(100)和方法实现了简单的线路连接,及时检测线路故障,实现成本低。
    • 10. 发明申请
    • STATUS MONITORING, STORAGE AND REPORTING FOR OPTICAL TRANSCEIVERS BY TRACKING OPERATING PARAMETER VARIATIONS
    • 通过跟踪操作参数变化对光学收发器的状态监测,存储和报告
    • WO2015127612A1
    • 2015-09-03
    • PCT/CN2014/072594
    • 2014-02-27
    • SOURCE PHOTONICS (CHENGDU) CO., LTD.
    • XIONG, YaxiROPE, ToddZENG, Haifeng
    • H04B10/40
    • G08B21/182H04B10/0795H04B10/40
    • Methods, architectures, circuits, and/or systems for tracking variations in the operating parameters of an optical or optoelectronic device are disclosed, as well as use of such variation data to monitor or control device functions and/or generate warnings and/or status flags. A method of tracking a variation in one or more operating parameters in an optical or optoelectronic device may include (i) monitoring one or more operating parameters of the device over time to determine values for each of the operating parameters, (ii) calculating the variation in each of the operating parameters as a function of time, (iii) comparing the variation to one or more predetermined thresholds, each threshold corresponding to an operational warning or alarm, and (iv) generating the operational warning or alarm when the variation exceeds the corresponding threshold.
    • 公开了用于跟踪光学或光电子器件的操作参数的变化的方法,结构,电路和/或系统,以及使用这种变化数据来监视或控制设备功能和/或生成警告和/或状态标志 。 跟踪光学或光电子器件中的一个或多个操作参数的变化的方法可以包括(i)随时间监视器件的一个或多个操作参数以确定每个操作参数的值,(ii)计算变化 在每个操作参数中作为时间的函数,(iii)将所述变化与一个或多个预定阈值进行比较,每个阈值对应于操作警告或警报,以及(iv)当所述变化超过所述阈值时产生所述操作警告或警报 相应的门槛。