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    • 5. 发明公开
    • LASER TRANSCEIVER WITH IMPROVED BIT ERROR RATE
    • 具有改进的位错误率的激光收发器
    • EP3161982A1
    • 2017-05-03
    • EP15810856.3
    • 2015-06-24
    • Applied Optoelectronics, Inc.
    • WANG, Yi,ZHANG, Huanlin,
    • H04J14/00H04J14/02
    • H04B10/58H04B10/40H04B10/504
    • An optical transceiver generally includes an injection locked (IL) laser configured to generate a transmit (Tx) optical signal for transmission over an optical network and a laser driver circuit configured to modulate the IL laser based on a Tx data signal. The Tx data signal may be provided to the optical transceiver for transmission over the optical network. The Tx data signal may include a crossing point level associated with a transition between a first signal level and a second signal level. The optical transceiver may also include a crossing point control circuit configured to apply distortion to the Tx data signal, the distortion to increase the crossing point level.
    • 光收发器通常包括被配置为生成用于在光网络上传输的传输(Tx)光信号的注入锁定(IL)激光器和被配置为基于Tx数据信号调制IL激光器的激光器驱动器电路。 Tx数据信号可被提供给光收发器以通过光网络传输。 Tx数据信号可以包括与第一信号电平和第二信号电平之间的转换相关联的交叉点电平。 光收发器还可以包括交叉点控制电路,其被配置为向Tx数据信号施加失真,该失真用于增加交叉点电平。
    • 8. 发明公开
    • PHOTODETECTORS ALIGNING AND COUPLING OPTICAL DEMULTIPLEXER OUTPUTS
    • AUSRICHTEN UND KOPPELN VON PHOTODETEKTOREN MIT OPTISCHEN DEMULTIPLEXER-AUSGÄNGEN
    • EP3075082A1
    • 2016-10-05
    • EP14871745.7
    • 2014-11-25
    • Applied Optoelectronics, Inc.
    • HO, I-LungPENG, LuohanLI, Joyce
    • H04B10/27H04J14/02G02B6/32
    • G02B6/4215G02B6/12009G02B6/12019G02B6/4228
    • A multi-channel receiver optical subassembly (ROSA) such as an arrayed waveguide grating (AWG), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an AWG may be configured such that optical components of the AWG do not interfere with direct optical coupling, and the wire bonding points on the photodiodes may also be configured such that wire bonding does not interfere with direct optical coupling. The photodetectors may also be mounted on a photodetector mounting bar with a pitch sufficiently spaced to allow connection to floating grounds. A passive alignment technique may be used to determine the mounting locations on the photodetector mounting bar such that the photodetectors are aligned with the optical outputs.
    • 诸如阵列波导光栅(AWG)的多通道接收机光学子组件(ROSA),其具有直接光耦合到诸如光电二极管的各个光电探测器的输出。 在一个实施例中,AWG可以被配置为使得AWG的光学部件不干扰直接光耦合,并且光电二极管上的引线接合点也可以被配置为使得引线接合不会干扰直接的光耦合。 光电检测器还可以安装在具有足够间隔的间距的光电检测器安装杆上,以允许连接到浮动接地。 可以使用无源对准技术来确定光电检测器安装杆上的安装位置,使得光电检测器与光输出对准。