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1. 发明授权

US10288805B2 Coupling between optical devices 有权
公开(公告)号：US10288805B2
公开(公告)日：2019-05-14
申请号：US13385339
申请日：2012-02-13
申请人： Bradley Jonathan Luff , Mehdi Asghari , Dazeng Feng
发明人： Bradley Jonathan Luff , Mehdi Asghari , Dazeng Feng
IPC分类号： G02B6/12 , G02B6/122
摘要： A base device has a first waveguide positioned on a first base. The waveguide is at least partially defined by a ridge extending away from the first base. An auxiliary optical device has a second waveguide positioned on a second base. The second optical device is immobilized on the base device such that the second waveguide is between the first base of the first optical device and the second base of the auxiliary device. The first waveguide is optically aligned with the second waveguide such that the first waveguide and second waveguides can exchange optical signals.

2. 发明申请

US20130294472A1 Integration of laser into optical platform 有权
标题翻译：将激光整合到光学平台中
公开(公告)号：US20130294472A1
公开(公告)日：2013-11-07
申请号：US13506629
申请日：2012-05-02
申请人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
发明人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
IPC分类号： H01S3/10
CPC分类号： H01S5/0424 , G02B6/12004 , H01S5/026 , H01S5/0425 , H01S5/1014 , H01S5/1017 , H01S5/125 , H01S5/22 , H01S5/305 , H01S5/3201
摘要： An optical device includes a laser or amplifier positioned on a base. The laser includes a ridge of a gain medium positioned on the base such that the base extends out from under the ridge. The ridge includes a top that connects lateral sides of the ridge. Electronics are configured to drive an electrical current through the ridge such that the electrical current passes through one or more of the lateral sides of the ridge.
摘要翻译：光学装置包括位于基座上的激光器或放大器。激光器包括位于基座上的增益介质的脊，使得基座从脊下方延伸出来。脊包括连接脊的侧面的顶部。电子设备被配置为驱动通过脊的电流，使得电流通过脊的一个或多个侧面。

3. 发明申请

US20130209033A1 Coupling between optical devices 审中-公开
标题翻译：光学器件之间的耦合
公开(公告)号：US20130209033A1
公开(公告)日：2013-08-15
申请号：US13385339
申请日：2012-02-13
申请人： Bradley Jonathan Luff , Mehdi Asghari , Dazeng Feng
发明人： Bradley Jonathan Luff , Mehdi Asghari , Dazeng Feng
IPC分类号： G02B6/26 , G02B6/46
CPC分类号： G02B6/1228 , G02B2006/12061 , G02F2201/00 , G02F2201/06 , G02F2201/063 , G02F2201/066 , G02F2201/07 , Y10T29/49117
摘要： A base device has a first waveguide positioned on a first base. The waveguide is at least partially defined by a ridge extending away from the first base. An auxiliary optical device has a second waveguide positioned on a second base. The second optical device is immobilized on the base device such that the second waveguide is between the first base of the first optical device and the second base of the auxiliary device. The first waveguide is optically aligned with the second waveguide such that the first waveguide and second waveguides can exchange optical signals.
摘要翻译：基座装置具有位于第一基座上的第一波导。波导至少部分地由远离第一基座延伸的脊部限定。辅助光学装置具有位于第二基座上的第二波导管。第二光学装置被固定在基底装置上，使得第二波导位于第一光学装置的第一基座和辅助装置的第二基座之间。第一波导与第二波导光学对准，使得第一波导和第二波导可以交换光信号。

4. 发明授权

US08411260B1 Light monitor configured to tap portion of light signal from mid-waveguide 有权
标题翻译：光监视器被配置为从中波导中分出部分光信号
公开(公告)号：US08411260B1
公开(公告)日：2013-04-02
申请号：US12804769
申请日：2010-07-28
申请人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff , Roshanak Shafiiha
发明人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff , Roshanak Shafiiha
IPC分类号： G01N21/00
CPC分类号： G02B6/12004 , G02B6/132 , G02B2006/12123 , G02B2006/12126
摘要： The device includes a waveguide on a base. A light-absorbing portion of the waveguide receives a light signal, absorbs a portion of the light signal and guides a transmitted portion of the light signal to the output portion of the waveguide. A light-absorbing portion of the waveguide is partially defined by a light-absorbing medium that has lateral sides that each extends between a top side and a bottom side of the light-absorbing medium. The device also includes a monitor absorption of the absorbed portion of the light signal. The monitor includes field sources that are each configured to serve as a source of an electrical field in the light-absorbing medium. The field sources each contacts one of the lateral sides of the light-absorbing medium.
摘要翻译：该装置包括在基座上的波导。波导的光吸收部分接收光信号，吸收光信号的一部分，并将光信号的透射部分引导到波导的输出部分。波导的光吸收部分由光吸收介质部分地限定，光吸收介质具有各自在光吸收介质的顶侧和底侧之间延伸的侧面。该装置还包括对光信号的吸收部分的监视器吸收。监视器包括各自被配置为用作光吸收介质中的电场源的场源。场光源各自接触光吸收介质的侧面之一。

5. 发明授权

US09966733B2 Integration of laser into optical platform 有权
公开(公告)号：US09966733B2
公开(公告)日：2018-05-08
申请号：US13506629
申请日：2012-05-02
申请人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
发明人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
IPC分类号： H01S5/50 , H01S5/042 , H01S5/22 , H01S5/32 , H01S5/026 , H01S5/10 , H01S5/125 , H01S5/30 , G02B6/12
CPC分类号： H01S5/0424 , G02B6/12004 , H01S5/026 , H01S5/0425 , H01S5/1014 , H01S5/1017 , H01S5/125 , H01S5/22 , H01S5/305 , H01S5/3201
摘要： An optical device includes a laser or amplifier positioned on a base. The laser includes a ridge of a gain medium positioned on the base such that the base extends out from under the ridge. The ridge includes a top that connects lateral sides of the ridge. Electronics are configured to drive an electrical current through the ridge such that the electrical current passes through one or more of the lateral sides of the ridge.

6. 发明授权

US07646949B2 Efficient transfer of light signals between optical devices 有权
标题翻译：在光学器件之间有效传输光信号
公开(公告)号：US07646949B2
公开(公告)日：2010-01-12
申请号：US11881745
申请日：2007-07-27
申请人： Mehdi Asghari , Dazeng Feng , Joan Fong , Daniel C. Lee , Hongbing Lei , Bradley Jonathan Luff
发明人： Mehdi Asghari , Dazeng Feng , Joan Fong , Daniel C. Lee , Hongbing Lei , Bradley Jonathan Luff
IPC分类号： G02B6/34
CPC分类号： G02B6/34 , G02B6/305 , G02B6/32 , G02B6/4214 , G02B6/43
摘要： An optical device includes a waveguide immobilized on a base. The device includes a port configured to receive light signals from the waveguide such that the light signals travel through the port. The light signals enter the port traveling in a first direction. The port is configured to change the direction of the light signals from the first direction to a second direction that is toward a location above the device or below the device. The device also includes a wedge configured to receive the light signals from the port such that the light signals travel through the wedge and then exit the wedge traveling in a direction that is at an angle in a range of 88° to 92° relative to the device and that is toward a location above or below the device.
摘要翻译：光学器件包括固定在基底上的波导。该装置包括被配置为从波导接收光信号的端口，使得光信号通过端口行进。光信号进入沿第一方向行进的端口。端口被配置为将光信号的方向从第一方向改变到朝向设备上方或设备下方的位置的第二方向。该装置还包括楔形件，其配置成从端口接收光信号，使得光信号穿过楔形物，然后离开楔形物，该楔形物沿相对于该方向的88°至92°范围内的角度移动设备，并且是朝向设备上方或下方的位置。

7. 发明申请

US20090129720A1 Efficient transfer of light signals between optical devices 有权
标题翻译：在光学器件之间有效传输光信号
公开(公告)号：US20090129720A1
公开(公告)日：2009-05-21
申请号：US11881745
申请日：2007-07-27
申请人： Mehdi Asghari , Dazeng Feng , Joan Fong , Daniel C. Lee , Hongbing Lei , Bradley Jonathan Luff
发明人： Mehdi Asghari , Dazeng Feng , Joan Fong , Daniel C. Lee , Hongbing Lei , Bradley Jonathan Luff
IPC分类号： G02F1/295
CPC分类号： G02B6/34 , G02B6/305 , G02B6/32 , G02B6/4214 , G02B6/43
摘要： An optical device includes a waveguide immobilized on a base. The device includes a port configured to receive light signals from the waveguide such that the light signals travel through the port. The light signals enter the port traveling in a first direction. The port is configured to change the direction of the light signals from the first direction to a second direction that is toward a location above the device or below the device. The device also includes a wedge configured to receive the light signals from the port such that the light signals travel through the wedge and then exit the wedge traveling in a direction that is at an angle in a range of 88° to 92° relative to the device and that is toward a location above or below the device.
摘要翻译：光学器件包括固定在基底上的波导。该装置包括被配置为从波导接收光信号的端口，使得光信号通过端口行进。光信号进入沿第一方向行进的端口。端口被配置为将光信号的方向从第一方向改变到朝向设备上方或设备下方的位置的第二方向。该装置还包括楔形件，其配置成从端口接收光信号，使得光信号穿过楔形物，然后离开楔形物，该楔形物沿相对于该方向的88°至92°范围内的角度移动设备，并且朝向设备上方或下方的位置。

8. 发明授权

US07409123B1 Grating having reduced mode dispersion 有权
标题翻译：光栅具有降低的色散
公开(公告)号：US07409123B1
公开(公告)日：2008-08-05
申请号：US11807219
申请日：2007-05-24
申请人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
发明人： Dazeng Feng , Mehdi Asghari , Bradley Jonathan Luff
IPC分类号： G02B6/34 , G02B6/26
CPC分类号： G02B6/12007 , G02B6/29308 , G02B6/2931 , G02B6/2938
摘要： An optical device includes an echelle grating and input waveguide arranged such that the echelle grating receives an input signal that exits from a port of the input waveguide. The echelle grating is configured to reflect the input signal such that when the input signal has a plurality of channels, the input signal separates into output signals that each includes a different one of the channels. The device also includes a plurality of output waveguides that each includes a port positioned to receive one of the output signals. The output waveguides include central waveguides. The central waveguides are the three centermost output waveguides when the total number of output waveguides is odd and the two centermost output waveguides when the total number of output waveguides is even. The central waveguides are positioned such that the grating axis passes through the port associated with one of the central waveguides or passes between the ports associated with the central waveguides.
摘要翻译：光学装置包括梯形光栅和输入波导，其布置成使得电梯格栅接收从输入波导的端口离开的输入信号。层叠光栅被配置为反映输入信号，使得当输入信号具有多个通道时，输入信号被分离成每个包括不同通道的输出信号。该装置还包括多个输出波导，每个输出波导包括定位成接收输出信号之一的端口。输出波导包括中心波导。当输出波导的总数为奇数时，中心波导是三个最中心的输出波导，当输出波导的总数为偶数时，中心波导是两个最中心的输出波导。中心波导被定位成使得光栅轴线穿过与一个中心波导相关联的端口或者在与中心波导相关联的端口之间通过。

9. 发明申请

US20090123149A1 End-user optical transceiver unit with transmit signal attentuation 有权
标题翻译：终端用户光收发单元具有发送信号注意
公开(公告)号：US20090123149A1
公开(公告)日：2009-05-14
申请号：US11985062
申请日：2007-11-13
申请人： Mehdi Asghari , Bradley Jonathan Luff
发明人： Mehdi Asghari , Bradley Jonathan Luff
IPC分类号： H04B10/08
CPC分类号： H04B10/07955 , H04B10/40
摘要： A transceiver unit for use at an end-location in a communications network includes a downstream monitor configured to monitor downstream optical signals that travel from a service provider to the end-location. The downstream optical signals carry downstream data for use by a device in communication with the transceiver unit. At least a portion of the optical path traveled by the downstream optical signals is on a common optical fiber that carries downstream optical signals for other end locations. The transceiver unit also includes an upstream attenuator configured to attenuate upstream optical signals traveling from the end-location to the service provider. At least a portion of the optical path traveled by the upstream optical signals is on the common optical fiber. The transceiver unit also includes electronics configured to operate the upstream optical attenuator in response to output from the downstream monitor.
摘要翻译：在通信网络的终端位置使用的收发器单元包括被配置为监视从服务提供商行进到终端位置的下行光信号的下游监视器。下行光信号承载下游数据，供与收发器单元通信的设备使用。由下游光信号行进的光路的至少一部分在同一光纤上，其承载用于其它终端位置的下行光信号。收发器单元还包括被配置为衰减从终端位置到服务提供商行进的上行光信号的上游衰减器。由上游光信号行进的光路的至少一部分在共用光纤上。收发器单元还包括被配置为响应于来自下游监视器的输出而操作上游光衰减器的电子设备。

10. 发明申请

US20220018963A1 Walk-Off Compensation In Remote Imaging Systems 有权
公开(公告)号：US20220018963A1
公开(公告)日：2022-01-20
申请号：US16931444
申请日：2020-07-17
申请人： Prakash Koonath , Shuren Hu , Mehdi Asghari , Bradley Jonathan Luff , Behnam Behroozpour
发明人： Prakash Koonath , Shuren Hu , Mehdi Asghari , Bradley Jonathan Luff , Behnam Behroozpour
IPC分类号： G01S17/89 , G01S17/26 , G01S7/481
摘要： Systems and methods described herein are directed to high speed remote imaging systems, such as Light Detection and Ranging (LIDAR) systems. Example embodiments describe systems that are configured to mitigate a walk-off effect that may limit a speed of operation of the imaging system. The walk-off effect may be characterized by a failure to steer returning signals to a designated input facet of the imaging system due to continuous rotation of mirrors associated with the steering mechanisms. The walk-off effect may be mitigating by configuring more than one input waveguide to receiving returning signals associated with an output signal. The input waveguides may be spaced apart and configured to sequentially receive the input signals. In some embodiments, walk-off mitigation may extend a range of operation of the imaging systems.

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