公开(公告)号：US20160043799A1

公开(公告)日：2016-02-11

申请号：US14456124

申请日：2014-08-11

Applicant: Applied Optoelectronics, Inc.

Inventor： Jun Zheng ,  Yi Wang ,  I-Lung Ho ,  Klaus Alexander Anselm ,  Huanlin Zhang

IPC: H04B10/079 ,  H04B10/50 ,  H04J14/02 ,  H04B10/40 ,  H01S5/40 ,  H01S5/0683

CPC classification number: H04B10/07955 ,  H01S5/0268 ,  H01S5/0683 ,  H01S5/0687 ,  H01S5/4025 ,  H01S5/4087 ,  H04B10/40 ,  H04B10/503 ,  H04B10/506 ,  H04B10/572 ,  H04J14/02 ,  H04J14/0282

Abstract: Individual channels of a multiplexed laser array in a multi-channel optical transmitter are monitored at an output of an optical multiplexer. The monitoring may be used to confirm proper operation of each of the channels in the multiplexed laser array and/or to perform wavelength locking on each of the channels. Monitoring at the output of the optical multiplexer avoids the use of multiple photodetectors coupled directly to multiple lasers in the multiplexed laser array. The multiplexed laser array generally includes a plurality of laser emitters optically coupled to an optical multiplexer such as an arrayed waveguide grating (AWG). An optical transmitter with a monitored multiplexed laser array may be used, for example, in an optical line terminal (OLT) in a wavelength division multiplexed (WDM) passive optical network (PON) or in any other type of WDM optical communication system capable of transmitting optical signals on multiple channel wavelengths.

Abstract translation: 在多路复用器的输出端监视多通道光发射机中多路复用激光阵列的各个通道。 监视可用于确认多路复用激光器阵列中每个通道的正确操作和/或在每个通道上执行波长锁定。 在光学复用器的输出处的监控避免了使用多个激光器阵列中直接耦合到多个激光器的光电探测器。 复用的激光器阵列通常包括光学耦合到诸如阵列波导光栅（AWG）的光复用器的多个激光发射器。 具有受监控的多路复用激光器阵列的光发射机可以用于例如在波分多路复用（WDM）无源光网络（PON）中的光线路终端（OLT）中，或者可以使用任何其他类型的WDM光通信系统， 在多个信道波长上传输光信号。

公开(公告)号：US20140093244A1

公开(公告)日：2014-04-03

申请号：US13644113

申请日：2012-10-03

Applicant: David Kuo ,  APPLIED OPTOELECTRONICS, INC.

Inventor： Jun Zheng ,  Stefan Murry ,  Wen-Yen Hwang

IPC: H04J14/02 ,  H01S3/10

CPC classification number: H01S5/4062 ,  H01S5/4087 ,  H04J14/0254 ,  H04J14/0279 ,  H04J14/0282

Abstract: A filtered laser array assembly generally includes an array of laser emitters coupled between external modulators and an arrayed waveguide grating (AWG). Each of the laser emitters emits light across a plurality of wavelengths including, for example, channel wavelengths in an optical communication system. The AWG filters the emitted light from each of the laser emitters at different channel wavelengths associated with each of the laser emitters. Lasing cavities are formed between each of the laser emitters and a back reflector coupled to an output of the AWG such that laser output from the laser emitters is provided at the respective channel wavelengths of the reflected, filtered light. The external modulators enable high speed modulation of the laser output. The modulated laser output may then be optically multiplexed to produce an aggregate optical signal including multiple channel wavelengths.

Abstract translation: 滤波的激光阵列组件通常包括耦合在外部调制器和阵列波导光栅（AWG）之间的激光发射器的阵列。 每个激光发射器在多个波长中发射光，包括例如光通信系统中的信道波长。 AWG在与每个激光发射器相关联的不同通道波长处对来自每个激光发射器的发射光进行滤波。 在每个激光发射器和耦合到AWG的输出的后反射器之间形成激光腔，使得来自激光发射器的激光输出被提供在被反射的滤光光的各个通道波长处。 外部调制器可实现激光输出的高速调制。 然后可以将经调制的激光输出光学多路复用以产生包括多个信道波长的聚合光信号。