公开(公告)号：US09001852B1

公开(公告)日：2015-04-07

申请号：US14023104

申请日：2013-09-10

Applicant: Google Inc.

Inventor： Ryohei Urata ,  Pedram Zare Dashti ,  Cedric Fung Lam ,  Xiangjun Zhao ,  Hong Liu

IPC: H01S3/10 ,  H01S5/024

CPC classification number: H01S5/02415 ,  H01S5/026 ,  H01S5/0265 ,  H01S5/0612 ,  H01S5/12 ,  H01S5/4031 ,  H01S5/4087

Abstract: The wavelength tunable laser includes a thermo-electric cooler (TEC), a distributed feedback portion, and a semiconductor optical amplifier (SOA). The distributed feedback portion is disposed on the thermo-electric cooler and has a plurality of distributed feedback (DFB) lasers connected in series. Each DFB laser is configured to output an optical signal within a different temperature dependent tunable range of wavelengths. Therefore, the distributed feedback portion outputs an optical signal from one of the DFB lasers. The SOA is optically connected to the distributed feedback portion. The SOA amplifies and modulates the optical signal outputted from the distributed feedback portion.

Abstract translation: 波长可调激光器包括热电冷却器（TEC），分布式反馈部分和半导体光放大器（SOA）。 分布式反馈部分设置在热电冷却器上并且具有串联连接的多个分布式反馈（DFB）激光器。 每个DFB激光器被配置为在不同的温度依赖的可调谐波长范围内输出光信号。 因此，分布式反馈部分输出来自DFB激光器之一的光信号。 SOA与分布式反馈部分光学连接。 SOA放大并调制从分布式反馈部分输出的光信号。

公开(公告)号：US09178610B1

公开(公告)日：2015-11-03

申请号：US13828500

申请日：2013-03-14

Applicant: Google Inc.

Inventor： Yut Loy Chan ,  Pedram Zare Dashti

IPC: H04B10/00 ,  H04B10/07

CPC classification number: H04J14/0261 ,  H04B10/035 ,  H04B10/2503

Abstract: An optical communication device includes a transmitter having a transmitter port and a receiver having loopback and receiver ports. The transmitter transmits a first multiplexed signal in a first optical spectrum from the transmitter port. The receiver receives the first multiplexed signal in the loopback port and a second multiplexed signal in the receiver port. The second multiplexed signal is in a second optical spectrum different from the first optical spectrum. The receiver includes a demultiplexer in optical communication with the loopback port and the receiver port. The demultiplexer demultiplexes the first and second multiplexed signals received by the loopback and receiver ports.

Abstract translation: 光通信设备包括具有发射机端口和具有环回和接收端口的接收机的发射机。 发射机从发射机端口发送第一光谱中的第一复用信号。 接收机接收环回端口中的第一多路复用信号和接收端口中的第二复用信号。 第二复用信号处于与第一光谱不同的第二光谱中。 接收机包括与回送端口和接收器端口进行光通信的解复用器。 解复用器对由环回端口和接收端口接收的第一和第二复用信号进行解复用。

公开(公告)号：US09368941B1

公开(公告)日：2016-06-14

申请号：US14826363

申请日：2015-08-14

Applicant: Google Inc.

Inventor： Pedram Zare Dashti ,  Changhong Joy Jiang ,  Jun Zheng ,  Yi Wang

IPC: H01S3/10 ,  H01S5/40 ,  H01S5/024 ,  H01S5/068 ,  H01S5/0687 ,  H01S5/12 ,  H01S5/06 ,  H01S5/0683 ,  H01S5/026 ,  H01S3/102 ,  H01S3/131 ,  H01S3/04

CPC classification number: H01S5/4087 ,  H01S3/0405 ,  H01S3/1028 ,  H01S3/1317 ,  H01S5/02415 ,  H01S5/02453 ,  H01S5/0261 ,  H01S5/0607 ,  H01S5/0612 ,  H01S5/06804 ,  H01S5/06837 ,  H01S5/0687 ,  H01S5/12

Abstract: A device includes an array of optical transmitters having first and second temperature sensors each disposed at or near a first and second end of the array of the transmitters. The device includes a controller in communication with the temperature sensors and the transmitters. The controller receives temperature measurements from the temperatures sensors and determines a temperature difference between a first temperature measurement of the first temperature sensor and a second temperature measurement of the second temperature sensor. The controller determines a compensation for each transmitter within the transmitter array based on the temperature difference and a transmitter position within the array of transmitters. The compensation causes the corresponding transmitter to transmit at a wavelength associated with that transmitter. The controller executes the compensations for the transmitters.

Abstract translation: 一种设备包括具有第一和第二温度传感器的光发射器阵列，每个温度传感器设置在发射器阵列的第一和第二端处或附近。 该装置包括与温度传感器和发射器通信的控制器。 控制器从温度传感器接收温度测量值，并确定第一温度传感器的第一温度测量值与第二温度传感器的第二温度测量值之间的温差。 控制器基于发射机阵列内的温度差和发射机位置确定发射机阵列内的每个发射机的补偿。 补偿使相应的发射机以与该发射机相关联的波长发射。 控制器执行发射机的补偿。

公开(公告)号：US09559802B1

公开(公告)日：2017-01-31

申请号：US14501347

申请日：2014-09-30

Applicant: Google Inc.

Inventor： Pedram Zare Dashti ,  Liang Du

IPC: H04J14/00 ,  H04J14/02 ,  H04B10/27 ,  H04B10/25

CPC classification number: H04J14/0221 ,  H04B10/25 ,  H04B10/27 ,  H04J14/0246 ,  H04J14/0282 ,  H04J14/08

Abstract: An optical network node includes first and second node inputs receiving first and second multiplexed optical signals, respectively. The optical network node includes node outputs, each outputting a separate replicated or demultiplexed optical signal. The optical network node includes a first optical power splitter having a first splitter input connected to the first node input and first splitter outputs connected to the node outputs. The optical network node includes a second optical power splitter having a second splitter input connected to the second node input and second splitter outputs connected to the node outputs. The optical network node includes an arrayed waveguide grating having a grating input connected to the first node input and grating outputs connected to the node outputs, the arrayed waveguide grating demultiplexing the first multiplexed optical signal, when the first multiplexed optical signal is wavelength division multiplexed.

Abstract translation: 光网络节点包括分别接收第一和第二复用光信号的第一和第二节点输入。 光网络节点包括节点输出，每个输出单独复制或解复用的光信号。 光网络节点包括具有连接到第一节点输入的第一分离器输入和连接到节点输出的第一分离器输出的第一光功率分配器。 光网络节点包括具有连接到第二节点输入的第二分路器输入和连接到节点输出的第二分路器输出的第二光功率分配器。 光网络节点包括阵列波导光栅，其具有连接到第一节点输入的光栅输入和连接到节点输出的光栅输出，当第一多路复用光信号被波分复用时，阵列波导光栅对第一多路复用光信号进行解复用。

公开(公告)号：US08917992B1

公开(公告)日：2014-12-23

申请号：US13732863

申请日：2013-01-02

Applicant: Google Inc.

Inventor： Cedric Fung Lam ,  Ben Warren Segura ,  Ryohei Urata ,  Pedram Zare Dashti ,  Hong Liu

IPC: H04J14/02

CPC classification number: H04J14/0246 ,  H04J14/0239

Abstract: An optical network remote node includes first and second node inputs, each receiving a multiplexed optical signal, and node outputs, each outputting a separate demultiplexed optical signal. The node includes first and second optical power splitters, each having a splitter input connected to one of the node inputs and splitter outputs connected to corresponding node outputs. The node includes an arrayed waveguide grating having first and second grating inputs connected to the first and second node inputs, respectively, and grating outputs connected to the corresponding node outputs. If the received signal at one of the node inputs is time division multiplexed, the corresponding connected optical power splitter broadcasts the received optical signal at the node outputs. If the received signal at one of the node inputs is wavelength division multiplexed, the arrayed waveguide grating demultiplexes the received optical signals in wavelength and outputs the demultiplexed signals at the node outputs.

Abstract translation: 光网络远程节点包括每个接收多路复用光信号的第一和第二节点输入以及每个输出单独解复用的光信号的节点输出。 该节点包括第一和第二光功率分配器，每个具有连接到节点输入之一的分离器输入和连接到相应节点输出的分路器输出。 节点包括阵列波导光栅，其具有分别连接到第一和第二节点输入的第一和第二光栅输入以及连接到相应节点输出的光栅输出。 如果在其中一个节点输入端的接收信号被时分多路复用，则对应连接的光功率分配器在节点输出处广播所接收的光信号。 如果在其中一个节点输入端的接收信号是波分复用的，阵列波导光栅将接收到的波长的光信号解复用，并在节点输出端输出解复用的信号。