公开(公告)号：US20150055960A1

公开(公告)日：2015-02-26

申请号：US13975867

申请日：2013-08-26

Applicant: Applied Optoelectronics, Inc.

Inventor： Jun Zheng ,  Yi Wang ,  I-Lung Ho

IPC: H04B10/50 ,  H04B10/40

CPC classification number: H04B10/503 ,  H01S5/02216 ,  H01S5/02415 ,  H01S5/02453 ,  H01S5/02461 ,  H01S5/12 ,  H04B10/40 ,  H04J14/02

Abstract: A heated laser package generally includes a laser diode, a heating resistor and a transistor in a single laser package. The heating resistor and transistor form a heating circuit and may be located on a submount adjacent to the laser diode. The transistor is configured to control the drive current to the heating resistor and any additional heat generated by the transistor may contribute to the heating of the laser diode and thus increase the thermal efficiency of the system. The heated laser package may be used in a temperature controlled multi-channel transmitter optical subassembly (TOSA), which may be used in a multi-channel optical transceiver. The optical transceiver may be used in a wavelength division multiplexed (WDM) optical system, for example, in an optical line terminal (OLT) in a WDM passive optical network (PON).

Abstract translation: 加热的激光器封装通常包括激光二极管，加热电阻器和单个激光器封装中的晶体管。 加热电阻器和晶体管形成加热电路并且可以位于与激光二极管相邻的基座上。 晶体管被配置为控制到加热电阻器的驱动电流，并且由晶体管产生的任何额外的热量可能有助于激光二极管的加热，从而提高系统的热效率。 加热的激光器封装可以用在可以在多通道光收发器中使用的温度控制的多通道发射机光学子组件（TOSA）中。 光收发器可以用在波分复用（WDM）光学系统中，例如在WDM无源光网络（PON）中的光线路终端（OLT）中。

公开(公告)号：US10230470B2

公开(公告)日：2019-03-12

申请号：US15475082

申请日：2017-03-30

Applicant: Applied Optoelectronics, Inc.

Inventor： Kai-Sheng Lin ,  Yi Wang ,  Kevin Liu

IPC: G02B6/42 ,  H04B10/40 ,  H05K1/18 ,  H05K1/02 ,  G02B6/12 ,  H05K1/11

Abstract: In accordance with an embodiment, a multi-layered flexible printed circuit (FPC) is disclosed that includes two or more insulating layers to route conductive traces carrying radio frequency (RF) signals, e.g., data signals, and conductive traces carrying direct current (DC) signals, e.g., power signals and low-frequency control signals, while sufficiently isolating the RF signals from electrical interference by the DC transmission lines. This advantageously eliminates having two or more separate FPCs to electrically couple each optical subassembly, e.g., receiver optical subassemblies (ROSAs) and transmitter optical subassemblies (TOSAs), to associated circuitry in a transceiver housing, which saves space and reduces manufacturing complexity, for example.

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：US20140341580A1

公开(公告)日：2014-11-20

申请号：US13893802

申请日：2013-05-14

Applicant: Applied Optoelectronics, Inc.

Inventor： Yi Wang ,  I-Lung Ho ,  Justin Lii

IPC: H04B10/40

CPC classification number: H04B10/40 ,  H04J14/0246 ,  H04J14/025

Abstract: A compact multi-channel optical may include a multi-channel transmitter optical subassembly (TOSA), a multi-channel receiver optical subassembly (ROSA) and a circuit board configured and arranged to fit within a relatively small space. The multi-channel ROSA is spaced from the circuit board to allow circuit components to be mounted between the circuit board and the ROSA. The multi-channel ROSA may also be inverted and mounted proximate a transceiver top housing portion, for example, using an L-shaped ROSA support, to transfer heat from the ROSA to the transceiver housing portion. The optical transceiver may be used in a wavelength division multiplexed (WDM) optical system, for example, in an optical line terminal (OLT) in a WDM passive optical network (PON).

Abstract translation: 紧凑的多通道光学器件可以包括多通道发射器光学子组件（TOSA），多通道接收器光学子组件（ROSA）以及被配置和布置成配合在相对小的空间内的电路板。 多通道ROSA与电路板间隔开，以允许电路组件安装在电路板和ROSA之间。 多通道ROSA也可以被倒置并安装在收发器顶部壳体部分附近，例如使用L形ROSA支撑件，以将热量从ROSA传递到收发器壳体部分。 光收发器可以用在波分复用（WDM）光学系统中，例如在WDM无源光网络（PON）中的光线路终端（OLT）中。

公开(公告)号：US20160377822A1

公开(公告)日：2016-12-29

申请号：US14295459

申请日：2014-06-04

Applicant: Applied Optoelectronics, Inc.

Inventor： Jun Zheng ,  Yi Wang ,  I-Lung Ho ,  Chong Wang

IPC: G02B6/42 ,  H04J14/02 ,  G02B6/293 ,  H01S5/12 ,  H01S5/40 ,  H01S5/024 ,  H01S5/00 ,  H04B10/50 ,  G02B6/12

CPC classification number: G02B6/4271 ,  G02B6/12019 ,  G02B6/29329 ,  G02B6/2938 ,  G02B6/4292 ,  H01S5/0014 ,  H01S5/02216 ,  H01S5/02415 ,  H01S5/02453 ,  H01S5/0612 ,  H01S5/06804 ,  H01S5/12 ,  H01S5/4025 ,  H01S5/4087 ,  H04B10/503 ,  H04B10/506 ,  H04B10/572 ,  H04J14/02 ,  H04J14/0256

Abstract: The temperature at different locations along a multiplexed laser array may be monitored by sensing temperature at two locations within a transmitter optical subassembly (TOSA) package housing the laser array. The temperature at the two locations is used to determine a temperature tilt across the laser array. Estimated temperatures may then be determined at one or more other locations along the laser array from the temperature tilt. The estimated temperature(s) may then be used to adjust the temperature proximate the other locations, for example, for purposes of tuning lasers at those locations along the laser array to emit a desired channel wavelength. The TOSA package may be used in an optical transceiver in a wavelength division multiplexed (WDM) optical system, for example, in an optical line terminal (OLT) in a WDM passive optical network (PON).

Abstract translation: 可以通过感测在容纳激光器阵列的发射机光学子组件（TOSA）封装内的两个位置处的温度来监测复用激光器阵列处不同位置处的温度。 两个位置的温度用于确定激光器阵列上的温度倾斜。 然后可以在沿着激光器阵列的一个或多个其它位置从温度倾斜确定估计的温度。 然后可以使用估计的温度来调节靠近其它位置的温度，例如，为了在沿着激光器阵列的那些位置处调谐激光器以发射期望的通道波长。 TOSA封装可以用在波分复用（WDM）光学系统的光收发器中，例如在WDM无源光网络（PON）中的光线路终端（OLT）中。

公开(公告)号：US20150372763A1

公开(公告)日：2015-12-24

申请号：US14312930

申请日：2014-06-24

Applicant: Applied Optoelectronics, Inc.

Inventor： Yi Wang ,  Huanlin Zhang

IPC: H04B10/58 ,  H04B10/40 ,  H04J14/02 ,  H04B10/50

CPC classification number: H04B10/58 ,  H04B10/40 ,  H04B10/504

Abstract: 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.

Abstract translation: 光收发器通常包括被配置为产生用于通过光网络传输的发射（Tx）光信号的注入锁定（IL）激光器和被配置为基于Tx数据信号来调制IL激光器的激光器驱动器电路。 Tx数据信号可以被提供给光收发器以在光网络上传输。 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变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，该失真增加了交叉点电平。

公开(公告)号：US09039303B2

公开(公告)日：2015-05-26

申请号：US13893802

申请日：2013-05-14

Applicant: Applied Optoelectronics, Inc.

Inventor： Yi Wang ,  I-Lung Ho ,  Justin Lii

IPC: G02B6/00 ,  G02B6/36 ,  H04B10/40

CPC classification number: H04B10/40 ,  H04J14/0246 ,  H04J14/025

Abstract: A compact multi-channel optical may include a multi-channel transmitter optical subassembly (TOSA), a multi-channel receiver optical subassembly (ROSA) and a circuit board configured and arranged to fit within a relatively small space. The multi-channel ROSA is spaced from the circuit board to allow circuit components to be mounted between the circuit board and the ROSA. The multi-channel ROSA may also be inverted and mounted proximate a transceiver top housing portion, for example, using an L-shaped ROSA support, to transfer heat from the ROSA to the transceiver housing portion. The optical transceiver may be used in a wavelength division multiplexed (WDM) optical system, for example, in an optical line terminal (OLT) in a WDM passive optical network (PON).

Abstract translation: 紧凑的多通道光学器件可以包括多通道发射器光学子组件（TOSA），多通道接收器光学子组件（ROSA）以及被配置和布置成配合在相对小的空间内的电路板。 多通道ROSA与电路板间隔开，以允许电路组件安装在电路板和ROSA之间。 多通道ROSA也可以被倒置并安装在收发器顶部壳体部分附近，例如使用L形ROSA支撑件，以将热量从ROSA传递到收发器壳体部分。 光收发器可以用在波分复用（WDM）光学系统中，例如在WDM无源光网络（PON）中的光线路终端（OLT）中。