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1. 发明授权

US07116847B2 Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device 有权
公开(公告)号：US07116847B2
公开(公告)日：2006-10-03
申请号：US11205409
申请日：2005-08-16
申请人： Ansheng Liu , Richard Jones , Mario J. Paniccia , Graham T. Reed
发明人： Ansheng Liu , Richard Jones , Mario J. Paniccia , Graham T. Reed
IPC分类号： G02F1/295
CPC分类号： G02F1/025 , G02F2203/06
摘要： An apparatus and method for modulating a phase of optical beam independent of polarization. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide disposed in semiconductor material, the first region having a first conductivity type, and a second region of the optical waveguide disposed in the semiconductor material, the second region having a second conductivity type opposite to the first conductivity type. The apparatus also includes a substantially V shaped insulating region disposed between the first and second regions of the optical waveguide, wherein a vertex of the substantially V shaped insulating region forms an intersecting line that is substantially parallel to an optical path of an optical beam to be directed through the optical waveguide.

2. 发明授权

US06788837B2 Method and apparatus for interleaving and switching an optical beam in a semiconductor substrate 有权
标题翻译：用于在半导体衬底中交错和切换光束的方法和装置
公开(公告)号：US06788837B2
公开(公告)日：2004-09-07
申请号：US09819520
申请日：2001-03-27
申请人： Ansheng Liu , Mario J. Paniccia
发明人： Ansheng Liu , Mario J. Paniccia
IPC分类号： G02B626
CPC分类号： G02B6/12007 , G02B6/2813 , G02B6/29352 , G02B6/29386 , H04J14/0208 , H04J14/021
摘要： An optical interleaving switching method and apparatus. In one aspect of the present invention, the disclosed apparatus includes first and second multi-mode interference (MMI) coupling devices disposed in a semiconductor substrate. Each of the first and second MMI coupling devices include first and second inputs and first and second outputs. A first optical coupler having a first optical path length is included. The first output of the first MMI coupling device is optically coupled to the first input of the second MMI coupling device through the first optical coupler. A second optical coupler having a second optical path length is also included. The second output of the first MMI coupling device is optically coupled to the second input of the second MMI coupling device through the second optical coupler. The first optical path length of the first optical coupler is different than the second optical path length of the second optical coupler. In another aspect of the invention, a 2×2 optical switch is optically coupled to the inputs and/or outputs of the first and/or second MMI coupling devices providing multiplexing/demultiplexing and switching functionality for multi-channel optical input and/or output beams.
摘要翻译：一种光交错切换方法和装置。在本发明的一个方面，所公开的设备包括设置在半导体衬底中的第一和第二多模干涉（MMI）耦合器件。第一和第二MMI耦合装置中的每一个包括第一和第二输入以及第一和第二输出。包括具有第一光路长度的第一光耦合器。第一MMI耦合器件的第一输出通过第一光耦合器光耦合到第二MMI耦合器件的第一输入端。还包括具有第二光程长度的第二光耦合器。第一MMI耦合装置的第二输出通过第二光耦合器光耦合到第二MMI耦合装置的第二输入端。第一光耦合器的第一光路长度不同于第二光耦合器的第二光路长度。在本发明的另一方面，2x2光开关光学耦合到第一和/或第二MMI耦合器件的输入和/或输出，为多通道光输入和/或输出光束提供复用/解复用和切换功能。

3. 发明授权

US06690036B2 Method and apparatus for steering an optical beam in a semiconductor substrate 有权
标题翻译：用于在半导体衬底中转向光束的方法和装置
公开(公告)号：US06690036B2
公开(公告)日：2004-02-10
申请号：US09811171
申请日：2001-03-16
申请人： Ansheng Liu , Mario J. Paniccia , Michael T. Morse , Dmitri E. Nikonov , Yi Ding
发明人： Ansheng Liu , Mario J. Paniccia , Michael T. Morse , Dmitri E. Nikonov , Yi Ding
IPC分类号： H01L2724
CPC分类号： G02B6/122 , G02B6/2813 , G02F1/025 , G02F1/2955 , G02F2001/217
摘要： An optical steering method and apparatus. In one aspect of the present invention, the disclosed apparatus includes a multi-mode interference (MMI) device disposed in a semiconductor substrate. The MMI device includes an input and a plurality of outputs Each one of the plurality of outputs of the MMI device is optically coupled to the input of the MMI device. A phase array is disposed in the semiconductor substrate. The phase array includes a plurality of inputs and a plurality of outputs. The plurality of inputs of the phase array optically are coupled to the plurality of outputs of the phase array. The phase array is coupled to control relative phase differences between optical beams output by each one of the plurality of outputs of the phase array.
摘要翻译：一种光学转向方法和装置。在本发明的一个方面，所公开的装置包括设置在半导体衬底中的多模干涉（MMI）装置。 MMI设备包括输入和多个输出MMI设备的多个输出中的每一个光学耦合到MMI设备的输入。相位阵列设置在半导体衬底中。相位阵列包括多个输入和多个输出。光学上的相位阵列的多个输入耦合到相位阵列的多个输出端。相位阵列被耦合以控制由相位阵列的多个输出中的每一个输出的光束之间的相对相位差。

4. 发明申请

US20110315858A1 OPTICAL RECEIVER ARCHITECTURE USING A MIRRORED SUBSTRATE 有权
标题翻译：使用镜像基板的光接收机架构
公开(公告)号：US20110315858A1
公开(公告)日：2011-12-29
申请号：US12825257
申请日：2010-06-28
申请人： John Heck , Ansheng Liu , Mario J. Paniccia
发明人： John Heck , Ansheng Liu , Mario J. Paniccia
IPC分类号： H01L27/146 , H01L31/18
CPC分类号： G02B6/4214 , G02B6/422
摘要： Techniques and architectures for providing a reflective target area of an integrated circuit die assembly. In an embodiment, a reflective bevel surface of a die allows an optical signal to be received from the direction of a side surface of a die assembly for reflection into a photodetector. In another embodiment, one or more grooves in a coupling surface of the die provide respective leverage points for aligning a target area of the bevel surface with a detecting surface of the photodetector.
摘要翻译：用于提供集成电路管芯组件的反射目标区域的技术和架构。在一个实施例中，模具的反射斜面可允许从模组件的侧表面的方向接收光信号以反射到光电检测器中。在另一个实施例中，模具的联接表面中的一个或多个凹槽提供相应的杠杆点，用于将斜面的目标区域与光电检测器的检测表面对准。

5. 发明授权

US07421200B2 Reduced loss ultra-fast semiconductor modulator and switch 有权
标题翻译：减速超快速半导体调制器和开关
公开(公告)号：US07421200B2
公开(公告)日：2008-09-02
申请号：US11007858
申请日：2004-12-09
申请人： Ansheng Liu , Mario J. Paniccia , Haisheng Rong
发明人： Ansheng Liu , Mario J. Paniccia , Haisheng Rong
IPC分类号： H04J14/00
CPC分类号： H04B10/505 , G02F1/2257 , G02F1/3515 , G02F1/3526
摘要： An optical modulator or switch is disclosed. An apparatus includes an optical splitter disposed in a semiconductor material that splits an optical beam having a first wavelength into first and second portions. The first and second portions of the optical beam are to be directed through first and second optical waveguides, respectively. The first optical waveguide is also optically coupled to receive a pump optical beam to amplify and phase shift the first portion of the optical beam. A diode structure is disposed in the first optical waveguide and is selectively biased to sweep out free carriers from the first optical waveguide generated in response to two photon absorption in the optical waveguide. An optical coupler is disposed in the semiconductor material and is optically coupled to the first and second optical waveguides to combine the first and second portions of the optical beam.
摘要翻译：公开了一种光调制器或开关。一种装置包括设置在半导体材料中的光分路器，其将具有第一波长的光束分成第一和第二部分。光束的第一和第二部分分别被引导通过第一和第二光波导。第一光波导也被光学耦合以接收泵浦光束以放大和相移光束的第一部分。二极管结构设置在第一光波导中，并且被选择性地偏置以从响应于光波导中的两个光子吸收而产生的第一光波导扫出自由载流子。光耦合器设置在半导体材料中并且光学耦合到第一和第二光波导以组合光束的第一和第二部分。

6. 发明授权

US06856732B2 Method and apparatus for adding/droping optical signals in a semiconductor substrate 有权
标题翻译：用于在半导体衬底中加/减光信号的方法和装置
公开(公告)号：US06856732B2
公开(公告)日：2005-02-15
申请号：US09967365
申请日：2001-09-28
申请人： Ansheng Liu , Mario J. Paniccia , Remus Nicolaescu , Andrew C. Alduino , Ling Liao
发明人： Ansheng Liu , Mario J. Paniccia , Remus Nicolaescu , Andrew C. Alduino , Ling Liao
IPC分类号： G02B6/12 , G02B6/124 , G02F1/01 , G02F1/025 , G02B6/42
CPC分类号： G02B6/124 , G02B2006/12097 , G02B2006/12135 , G02F1/0147 , G02F1/025 , G02F2201/307
摘要： A semiconductor-based tunable add/drop method and apparatus. In one aspect of the present invention, a method according to an embodiment of the present invention includes splitting a first optical beam having multiple wavelengths into second and third optical beams with a first 3 dB optical coupler disposed in a semiconductor substrate. Portions of the second and third optical beams having a tunable wavelength are reflected back to the first 3 dB optical coupler with first and second pluralities of silicon and polysilicon interfaces, respectively, disposed along the semiconductor substrate. In another embodiment, the portions of the second and third optical beams having a tunable wavelength are reflected back to the first 3 dB optical coupler with first and second pluralities of modulated charged regions. Portions of the second and third optical beams not reflected are directed to a second 3 dB optical coupler disposed in the semiconductor substrate. The portions of the second and third optical beams not reflected are combined into a fourth optical beam with the second 3 dB optical coupler.
摘要翻译：一种基于半导体的可调加/减方法和装置。在本发明的一个方面中，根据本发明实施例的方法包括：将具有多个波长的第一光束分成第二和第三光束，其中第一个3dB光耦合器设置在半导体衬底中。具有可调谐波长的第二和第三光束的部分被分别沿着半导体衬底设置的第一和第二多个硅和多晶硅接口反射回到第一3d分量光耦合器。在另一个实施例中，具有可调谐波长的第二和第三光束的部分被第一和第二多个调制带电区域反射回到第一3d分量光耦合器。未反射的第二和第三光束的部分被引导到设置在半导体衬底中的第二3dB光耦合器。未反射的第二和第三光束的部分与第二3dB光耦合器组合成第四光束。

7. 发明授权

US07782921B2 Integrated optical detector in semiconductor reflector 有权
标题翻译：集成光检测器在半导体反射器
公开(公告)号：US07782921B2
公开(公告)日：2010-08-24
申请号：US11092059
申请日：2005-03-28
申请人： Andrew C. Alduino , Mario J. Paniccia , Rami Cohen , Assia Barkai , Ansheng Liu
发明人： Andrew C. Alduino , Mario J. Paniccia , Rami Cohen , Assia Barkai , Ansheng Liu
IPC分类号： H01S5/00
CPC分类号： G02B6/4246 , G02B6/4214 , G02B2006/12104
摘要： An electrical-optical coupling and detecting device. An apparatus according to an embodiment of the present invention includes a reflective surface defined on semiconductor material. The reflective surface is to reflect an incident optical beam towards an optical destination. An optical detector is monolithically integrated in the reflective surface of the semiconductor material. The optical detector arranged in the reflective surface of the semiconductor material is to detect the incident optical beam.
摘要翻译：一种电光耦合和检测装置。根据本发明实施例的装置包括限定在半导体材料上的反射表面。反射表面是将入射光束反射到光学目的地。光学检测器单片集成在半导体材料的反射表面中。布置在半导体材料的反射表面中的光学检测器是检测入射光束。

8. 发明授权

US07266258B2 Two-photon absorption generated carrier lifetime reduction in semiconductor waveguide for semiconductor based raman laser and amplifier 有权
标题翻译：半导体半导体激光和放大器的半导体波导中双光子吸收产生载流子寿命减少
公开(公告)号：US07266258B2
公开(公告)日：2007-09-04
申请号：US10933652
申请日：2004-09-02
申请人： Ansheng Liu , Mario J. Paniccia , Haisheng Rong
发明人： Ansheng Liu , Mario J. Paniccia , Haisheng Rong
IPC分类号： G02F1/025 , G02F1/295 , G02F1/35 , H01S3/30
CPC分类号： G02B6/122 , G02B2006/12097 , H01S3/063 , H01S3/083 , H01S3/0941 , H01S3/30
摘要： A semiconductor based Raman laser and/or amplifier with reduced two-photon absorption generated carrier lifetimes. An apparatus according to embodiments of the present invention includes optical waveguide disposed in semiconductor material and a diode structure disposed in the optical waveguide. The optical waveguide is to be coupled to a pump laser to receive a first optical beam having a first wavelength and a first power level to result in emission of a second optical beam of a second wavelength in the semiconductor waveguide. The diode structure is to be biased to sweep out free carriers from the optical waveguide generated in response to two photon absorption in the optical waveguide.
摘要翻译：具有降低的双光子吸收的半导体基拉曼激光器和/或放大器产生载流子寿命。根据本发明的实施例的装置包括设置在半导体材料中的光波导和设置在光波导中的二极管结构。光波导将耦合到泵激光器以接收具有第一波长和第一功率电平的第一光束，以导致在半导体波导中发射第二波长的第二光束。二极管结构被偏置以从响应于光波导中的两个光子吸收而产生的光波导扫出自由载流子。

9. 发明授权

US07006717B2 Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device 失效
标题翻译：用于光学器件中的光束的偏振不敏感相移的方法和装置
公开(公告)号：US07006717B2
公开(公告)日：2006-02-28
申请号：US10775737
申请日：2004-02-10
申请人： Ansheng Liu , Richard Jones , Mario J. Paniccia , Graham T. Reed
发明人： Ansheng Liu , Richard Jones , Mario J. Paniccia , Graham T. Reed
IPC分类号： G02F1/295
CPC分类号： G02F1/025 , G02F2203/06
摘要： An apparatus and method for modulating a phase of optical beam independent of polarization. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide disposed in semiconductor material, the first region having a first conductivity type, and a second region of the optical waveguide disposed in the semiconductor material, the second region having a second conductivity type opposite to the first conductivity type. The apparatus also includes a substantially V shaped insulating region disposed between the first and second regions of the optical waveguide, wherein a vertex of the substantially V shaped insulating region forms an intersecting line that is substantially parallel to an optical path of an optical beam to be directed through the optical waveguide.
摘要翻译：用于独立于偏振调制光束的相位的装置和方法。在一个实施例中，根据本发明的实施例的装置包括设置在半导体材料中的光波导的第一区域，具有第一导电类型的第一区域和设置在半导体材料中的光波导的第二区域，第二区域具有与第一导电类型相反的第二导电类型。该装置还包括设置在光波导的第一和第二区域之间的大致V形的绝缘区域，其中大致V形绝缘区域的顶点形成基本上平行于光束的光路的交叉线，引导通过光波导。

10. 发明授权

US06853671B2 Method and apparatus for tuning a laser with a Bragg grating in a semiconductor substrate 有权
标题翻译：用于在半导体衬底中用布拉格光栅调谐激光的方法和装置
公开(公告)号：US06853671B2
公开(公告)日：2005-02-08
申请号：US09967445
申请日：2001-09-28
申请人： Ansheng Liu , Mario J. Paniccia , Remus Nicolaescu , Richard Jones
发明人： Ansheng Liu , Mario J. Paniccia , Remus Nicolaescu , Richard Jones
IPC分类号： G02B6/12 , G02B6/124 , G02F1/01 , G02F1/025 , H01S3/08
CPC分类号： G02B6/124 , G02B2006/12097 , G02B2006/12135 , G02F1/0147 , G02F1/025 , G02F2201/307
摘要： A semiconductor-based laser tuning method and apparatus. In one aspect of the present invention, an apparatus according to an embodiment of the present invention includes a gain medium disposed in a semiconductor substrate. A laser cavity is disposed in the semiconductor substrate and is optically coupled to the gain medium. A first reflector defines one end of the laser cavity. The first reflector includes a first tunable Bragg grating disposed in the semiconductor substrate. The first tunable Bragg grating includes a first plurality of silicon and polysilicon interfaces along the semiconductor substrate such that there is a first plurality of perturbations of a refractive index along the Bragg grating. The first tunable Bragg grating selectively reflects light having a tunable center wavelength so as to emit light through stimulated emission having the tunable center wavelength in the laser cavity. A second reflector defines an other end of the laser cavity.
摘要翻译：一种基于半导体的激光调谐方法和装置。在本发明的一个方面中，根据本发明实施例的装置包括设置在半导体衬底中的增益介质。激光腔设置在半导体衬底中并与光学耦合到增益介质。第一反射器限定激光腔的一端。第一反射器包括设置在半导体衬底中的第一可调谐布拉格光栅。第一可调谐布拉格光栅包括沿着半导体衬底的第一多个硅和多晶硅界面，使得沿着布拉格光栅具有第一多个折射率扰动。第一可调谐布拉格光栅选择性地反射具有可调谐中心波长的光，以便通过激光腔中具有可调中心波长的受激发射发光。第二反射器限定激光腔的另一端。

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