公开(公告)号：WO2016054143A1

公开(公告)日：2016-04-07

申请号：PCT/US2015/053103

申请日：2015-09-30

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： ZHENG, Jun ,  ANSELM, Klaus Alexander ,  ZHANG, Huanlin ,  CHANG, Hung-Lun

IPC: H04B10/40 ,  H01S3/04 ,  H01S5/12

CPC classification number: H01S5/02453 ,  G02B6/12 ,  G02B6/12014 ,  G02B2006/12164 ,  H01S5/02415 ,  H01S5/02438 ,  H01S5/02461 ,  H01S5/0261 ,  H01S5/0268 ,  H01S5/0287 ,  H01S5/0612 ,  H01S5/22 ,  H01S5/4087 ,  H01S2301/176 ,  H04B10/40 ,  H04J14/0282

Abstract: A semiconductor laser diode with integrated heating generally includes a lasing region and a heating region integrated into the same semiconductor structure or chip. The lasing region and the heating region include first and second portions, respectively, of the semiconductor layers forming the semiconductor structure and include first and second portions, respectively, of the active regions formed by the semiconductor layers. Separate laser and heater electrodes are electrically connected to the respective lasing and heating regions for driving the respective lasing and heating regions with drive currents. The heating region may thus be driven independently from the lasing region, and heat may be conducted through the semiconductor layers from the heating region to the lasing region allowing the temperature to be controlled more efficiently.

Abstract translation: 具有集成加热的半导体激光二极管通常包括激光区域和集成在同一半导体结构或芯片中的加热区域。 激光区域和加热区域分别包括形成半导体结构的半导体层的第一和第二部分，并且分别包括由半导体层形成的有源区的第一和第二部分。 单独的激光和加热器电极电连接到相应的激光和加热区域，以用驱动电流驱动相应的激光和加热区域。 因此，加热区域可以独立于激光区域被驱动，并且热可以通过半导体层从加热区域传导到激光区域，从而可以更有效地控制温度。

公开(公告)号：WO2013010166A1

公开(公告)日：2013-01-17

申请号：PCT/US2012/046912

申请日：2012-07-16

Applicant: APPLIED OPTOELECTRONICS, INC. ,  ZHENG, Jun ,  MURRY, Stefan J.,

Inventor： ZHENG, Jun ,  MURRY, Stefan J.,

IPC: H01S5/00

CPC classification number: H01S5/0268 ,  H01S5/1028 ,  H01S5/141 ,  H01S5/146 ,  H01S5/4062 ,  H01S5/4087 ,  H04B10/2587 ,  H04J14/0282

Abstract: A laser array mux assembly generally includes an array of laser emitters coupled to an optical multiplexer, such as an arrayed waveguide grating (AWG), with an external partial reflector after the multiplexer. Each of the laser emitters may include a gain region that emits light across a range 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. The reflector reflects at least a portion of the filtered light such that lasing occurs at the channel wavelengths of the reflected light. The laser array mux assembly may be used to generate an optical signal at a selected channel wavelength or to generate and combine optical signals at multiple channel wavelengths.

Abstract translation: 激光器阵列多路复用器组件通常包括耦合到诸如阵列波导光栅（AWG）的光学多路复用器的激光发射器的阵列，在多路复用器之后具有外部部分反射器。 每个激光发射器可以包括在包括例如光通信系统中的信道波长的波长范围内发射光的增益区域。 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。 反射器反射至少一部分经滤光的光，使得在反射光的通道波长处发生激光。 可以使用激光阵列多路复用器组件来产生所选择的信道波长的光信号，或者产生并组合多个信道波长的光信号。

公开(公告)号：WO2013010163A1

公开(公告)日：2013-01-17

申请号：PCT/US2012/046902

申请日：2012-07-16

Applicant: APPLIED OPTOELECTRONICS, INC. ,  ZHENG, Jun ,  MURRY, Stefan J.,

Inventor： ZHENG, Jun ,  MURRY, Stefan J.,

IPC: H04B10/04

CPC classification number: H04J14/0282 ,  H01S5/141 ,  H01S5/4062 ,  H01S5/4087 ,  H04J14/0245 ,  H04J14/0246 ,  H04J14/0249 ,  H04J14/025

Abstract: A wavelength-selectable laser device generally includes an array of laser emitters and a filtered external cavity for filtering light emitted from the laser emitters and reflecting different wavelengths back to each of the laser emitters such that lasing occurs at different wavelengths for each of the laser emitters. Each laser emitter includes a gain region that emits light across a plurality of wavelengths including, for example, channel wavelengths in an optical communication system. The filtered external cavity may include a dispersive optical element that receives the light from each of the laser emitters at different angles and passes or reflects different wavelengths at different angles such that only wavelengths associated with the respective laser emitters are reflected back to the respective laser emitters. By selectively emitting light from one or more of the laser emitters, one or more channel wavelengths may be selected for lasing and transmission.

Abstract translation: 波长可选激光器件通常包括激光发射器阵列和经滤波的外部空腔，用于对从激光发射器发射的光进行滤波并将不同的波长反射回每个激光发射器，使得每个激光发射器的不同波长发生激光 。 每个激光发射器包括一个增益区域，该增益区域发射多个波长的光，包括例如光通信系统中的信道波长。 经滤波的外腔可以包括分散光学元件，其以不同的角度接收来自每个激光发射器的光，并以不同的角度通过或反射不同的波长，使得仅与相应的激光发射器相关联的波长被反射回到相应的激光发射器 。 通过选择性地从一个或多个激光发射器发射光，可以选择一个或多个信道波长用于激光和透射。

公开(公告)号：WO2008147979A1

公开(公告)日：2008-12-04

申请号：PCT/US2008/064684

申请日：2008-05-23

Applicant: APPLIED OPTOELECTRONICS, INC. ,  ZHENG, Jun

Inventor： ZHENG, Jun

IPC: H04M7/00

CPC classification number: H04B10/504 ,  H04B10/25751 ,  H04B10/58

Abstract: A system for reducing clipping may be used between a multichannel RF source and a laser to reduce or correct clipping that might occur in the laser as a result of negative spikes or peaks in a multichannel RF signal. The system generally includes a clipping correction circuit that receives the multichannel RF signal and responsive to the RF signal, prevents one or more of the negative peaks in the RF signal from causing clipping. The clipping correction circuit may either detect an envelope of the RF signal and/or may detect one or more peaks in the RF signal. One or more negative peaks may be prevented from causing clipping by adjusting a bias current provided by a bias control circuit and/or by modifying the RF signal with one or more clipping correction pulses coinciding with one or more negative peaks.

Abstract translation: 可以在多通道RF源和激光器之间使用用于减少削波的系统，以减少或纠正由于多通道RF信号中的负尖峰或峰值而在激光器中可能发生的限幅。 该系统通常包括限幅校正电路，其接收多声道RF信号并响应于RF信号，防止RF信号中的一个或多个负峰值引起限幅。 限幅校正电路可以检测RF信号的包络和/或可以检测RF信号中的一个或多个峰值。 可以通过调整由偏置控制电路提供的偏置电流和/或通过用与一个或多个负峰重合的一个或多个限幅校正脉冲修改RF信号来防止一个或多个负峰值引起限幅。

公开(公告)号：WO2015031255A1

公开(公告)日：2015-03-05

申请号：PCT/US2014/052524

申请日：2014-08-25

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： ZHENG, Jun ,  WANG, Yi ,  HO, I-Lung

IPC: H01S5/02

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：WO2012087739A1

公开(公告)日：2012-06-28

申请号：PCT/US2011/065107

申请日：2011-12-15

Applicant: APPLIED OPTOELECTRONICS, INC. ,  ZHENG, Jun ,  WANG, Yi

Inventor： ZHENG, Jun ,  WANG, Yi

IPC: H04B10/00

CPC classification number: H04B10/2575 ,  H04B10/58

Abstract: A distortion compensation circuit including a configurable delay may be used with one or more non-linear elements, such as a laser, to compensate for distortion generated by the non-linear element(s), for example, in broadband RF applications. Embodiments of the distortion compensation circuit may include a primary signal path with a configurable delay segment and a secondary signal path including at least one distortion generator. The configurable delay segment may be selectively configured to provide different delay settings to accommodate different RF loading conditions such that the delayed RF signal on the primary signal path is aligned with the distortion products generated on the secondary signal path when combined to form an RF signal with distortion compensation.

Abstract translation: 包括可配置延迟的失真补偿电路可以与诸如激光器的一个或多个非线性元件一起使用，以补偿例如在宽带RF应用中由非线性元件产生的失真。 失真补偿电路的实施例可以包括具有可配置延迟段的主信号路径和包括至少一个失真发生器的辅助信号路径。 可配置延迟段可以被选择性地配置为提供不同的延迟设置以适应不同的RF负载条件，使得主信号路径上的延迟的RF信号与二次信号路径上产生的失真产物对准，以组合以形成具有 失真补偿。

公开(公告)号：WO2003103107A1

公开(公告)日：2003-12-11

申请号：PCT/US2003/017166

申请日：2003-05-29

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： HWANG, Wen-Yen ,  ANSELM, Klaus, Alexander ,  ZHENG, Jun

IPC: H01S3/08

CPC classification number: H01S5/1082 ,  H01S5/12 ,  H01S5/1203 ,  H01S5/124 ,  H01S5/1243

Abstract: An edge-emitting laser (100) for generating single-longitudinal mode laser light. A semiconductor active region (120) amplifies, by stimulated emission, light in the laser cavity at a lasing wavelength. There are first and second grating sections (141,143) adjacent to the active region (120) and having first and second reflectivities respectively and a first effective index of refraction. The first and second grating sections (141,143) have a Bragg wavelength substantially equal to the lasing wavelength. A gratingless phase-shift section (142) is disposed adjacent to the active region (120) and between the first and second grating sections (141,143) and has a second index of refraction different than the first index of refraction and a length sufficient to impart a phase shift for light at the lasing wavelength sufficient to achieve longitudinal mode operation.

Abstract translation: 一种用于产生单纵模式激光的边缘发射激光器（100）。 半导体有源区（120）通过受激发射以激光波长放大激光腔中的光。 存在与有源区域（120）相邻并且分别具有第一和第二反射率的第一和第二光栅部分（141,143）和第一有效折射率。 第一和第二光栅部分（141,143）具有基本上等于激光波长的布拉格波长。 无栅相移部分（142）被布置成与有源区域（120）相邻并且在第一和第二光栅部分（141,143）之间并且具有不同于第一折射率的第二折射率和足以赋予 对于在足以实现纵向模式操作的激光波长的光的相移。

公开(公告)号：WO2003023457A2

公开(公告)日：2003-03-20

申请号：PCT/US2002/025155

申请日：2002-08-08

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： ZHENG, Jun

IPC: G02B

CPC classification number: H01S5/183 ,  H01S5/02461 ,  H01S5/041 ,  H01S5/14 ,  H01S5/18341

Abstract: The present invention is directed to a method and VCSEL (200, 300) for improved heat removal/dispersion. The VCSEL comprises a bottom mirror, an active region disposed on the bottom mirror (203, 303), a heat spreading layer (207, 307) disposed on the active region (204, 304), and a top mirror (215, 315) disposed above the heat spreading layer. The heat spreading layer may be composed of InP.

Abstract translation: 本发明涉及一种用于改善散热/散热的方法和VCSEL（200,300）。 VCSEL包括底部反射镜，设置在底部反射镜（203,303）上的有源区，设置在有源区（204,304）上的散热层（207,307）和顶部反射镜（215,315） 设置在散热层上方。 散热层可以由InP组成。

公开(公告)号：WO2016070055A1

公开(公告)日：2016-05-06

申请号：PCT/US2015/058332

申请日：2015-10-30

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： HO, I-Lung ,  MURRY, Stefan, J. ,  ZHENG, Jun

IPC: H04B10/40 ,  H04J14/02 ,  H04J14/04

CPC classification number: H04B10/40 ,  G02B6/12033 ,  G02B6/4215 ,  H04B10/506 ,  H04J14/02 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0278

Abstract: A multi-channel optical transceiver includes a transmitter optical subassembly (TOSA) with a thermal arrayed waveguide grating (AWG) for multiplexing optical signals and a receiver optical subassembly (ROSA) with an athermal AWG for demultiplexing optical signals. The TOSA may also include a laser array optically coupled to the thermal AWG and a temperature control system thermally coupled to the laser array and the thermal AWG to control temperature for wavelength tuning. The temperature control system in the TOSA may include a thermoelectric cooler (TEC) that cools both the laser array and the thermal AWG. Because the athermal AWG in the ROSA is temperature independent, the ROSA does not include a TEC, thereby reducing power consumption and conserving space. 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: 多通道光收发器包括具有用于复用光信号的热阵列波导光栅（AWG）的发射器光学子组件（TOSA）和具有用于解复用光信号的无热AWG的接收器光学子组件（ROSA）。 TOSA还可以包括光学耦合到热AWG的激光器阵列和与激光器阵列热耦合的温度控制系统和热AWG以控制用于波长调谐的温度。 TOSA中的温度控制系统可以包括冷却激光阵列和热AWG的热电冷却器（TEC）。 由于ROSA中的无热AWG与温度无关，所以ROSA不包括TEC，从而降低功耗并节省空间。 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：WO2015187922A2

公开(公告)日：2015-12-10

申请号：PCT/US2015/034148

申请日：2015-06-04

Applicant: APPLIED OPTOELECTRONICS, INC.

Inventor： ZHENG, Jun ,  WANG, Yi ,  HO, I-Lung

IPC: H04J14/02

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的不同位置处的温度。 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。