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21. 发明申请

US20130094074A1 Gain medium providing laser and amplifier functionality to optical device 有权
公开(公告)号：US20130094074A1
公开(公告)日：2013-04-18
申请号：US13317340
申请日：2011-10-14
申请人： Mehdi Asghari , Dazeng Feng
发明人： Mehdi Asghari , Dazeng Feng
IPC分类号： H01S3/063
CPC分类号： H01S5/02252 , H01S5/0262 , H01S5/0265 , H01S5/1032 , H01S5/4012 , H01S5/4062 , H01S5/50
摘要： An optical device includes a gain medium on a substrate. The device also includes one or more laser cavities and an amplifier on the substrate. The one or more laser cavities each guides a light signal through a different region of the gain medium such that each of the light signals is amplified within the gain medium. The amplifier guides an amplified light signal through the gain medium such that the amplified light signal is amplified in the gain medium.

22. 发明授权

US08242432B2 System having light sensor with enhanced sensitivity including a multiplication layer for generating additional electrons 有权
标题翻译：具有增强灵敏度的光传感器的系统，包括用于产生附加电子的乘法层
公开(公告)号：US08242432B2
公开(公告)日：2012-08-14
申请号：US12589501
申请日：2009-10-23
申请人： Dazeng Feng , Mehdi Asghari
发明人： Dazeng Feng , Mehdi Asghari
IPC分类号： G01J1/04
CPC分类号： H01L31/1075 , G02B6/12004
摘要： The optical device includes a waveguide and a light sensor on a base. The light sensor includes a ridge extending from slab regions positioned on opposing sides of the ridge. The ridge includes a multiplication layer and an absorption layer. The absorption layer is positioned to receive at least a portion of the light signal from the waveguide. Additionally, the absorption layer generates a hole and electron pair in response to receiving a photon of the light signal. The multiplication layer is positioned to receive the electron generated in the absorption layer and to generate additional electrons in response to receiving the electron.
摘要翻译：光学装置包括在基底上的波导和光传感器。光传感器包括从位于脊的相对侧上的平板区延伸的脊。脊包括乘法层和吸收层。吸收层被定位成接收来自波导的光信号的至少一部分。此外，响应于接收光信号的光子，吸收层产生空穴和电子对。放置乘法层以接收在吸收层中产生的电子并响应于接收电子而产生额外的电子。

23. 发明申请

US20110286700A1 Extension of steps in reflective optical gratings 有权
标题翻译：在反射光栅中延伸台阶
公开(公告)号：US20110286700A1
公开(公告)日：2011-11-24
申请号：US12800600
申请日：2010-05-18
申请人： Dazeng Feng , Wei Qian , Mehdi Asghari
发明人： Dazeng Feng , Wei Qian , Mehdi Asghari
IPC分类号： G02B6/34
CPC分类号： G02B5/1861 , G02B6/12007 , G02B6/29326 , G02B6/29328 , G02B2006/12107
摘要： An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium at least partially defines a free propagation region through which light signals travel. A reflective grating includes stepped reflecting surfaces positioned such that light signals that travel through the free propagation region are received by the reflecting surfaces. The reflecting surfaces are configured to reflect the light signal back into the free propagation region such that the light signals associated with different wavelengths separate as the light signals travel through the free propagation region. At least a portion of the reflecting surfaces each includes an overlapping region. Additionally, at least a portion of the reflecting surfaces each includes an overlapped region and un un-overlapped region. The reflecting grating is configured such that the light signals travel toward the overlapped regions and the un-overlapped regions before being reflected. The un-overlapped regions are positioned such that the un-overlapped regions receive the light signals but the overlapping regions are positioned between the overlapped region and the light signals so that the overlapping regions receive the light signals before the light signals can be received by the overlapped regions.
摘要翻译：光学装置包括位于基座上的透光介质。透光介质至少部分地限定光信号行进的自由传播区域。反射光栅包括台阶反射表面，定位成使得穿过自由传播区域的光信号被反射表面接收。反射表面被配置为将光信号反射回自由传播区域，使得与不同波长相关联的光信号随着光信号穿过自由传播区域而分离。反射面的至少一部分各自包括重叠区域。另外，反射面的至少一部分各自包括重叠区域和非重叠区域。反射光栅被配置为使得光信号在反射之前朝向重叠区域和未重叠区域行进。未重叠区域被定位成使得未重叠区域接收光信号，但是重叠区域位于重叠区域和光信号之间，使得重叠区域在光信号可以被接收到光信号之前接收光信号重叠区域。

24. 发明授权

US08053790B2 Optical device having light sensor employing horizontal electrical field 有权
标题翻译：具有采用水平电场的光传感器的光学装置
公开(公告)号：US08053790B2
公开(公告)日：2011-11-08
申请号：US12380016
申请日：2009-02-19
申请人： Dazeng Feng , Po Dong , Mehdi Asghari , Ning-Ning Feng
发明人： Dazeng Feng , Po Dong , Mehdi Asghari , Ning-Ning Feng
IPC分类号： H01L21/00
CPC分类号： G02B6/12004 , H01L31/03529 , H01L31/105 , H01L31/1804 , Y02E10/547 , Y02P70/521
摘要： The optical device includes a waveguide and a light sensor on a base. The light sensor includes a light-absorbing medium configured to receive a light signal from the waveguide. The light sensor also includes field sources for generating an electrical field in the light-absorbing medium. The field sources are configured so the electrical field is substantially parallel to the base.
摘要翻译：光学装置包括在基底上的波导和光传感器。光传感器包括被配置为从波导接收光信号的光吸收介质。光传感器还包括用于在光吸收介质中产生电场的场源。场源被配置为使得电场基本上平行于基极。

25. 发明申请

US20110095167A1 System having light sensor with enhanced sensitivity 有权
标题翻译：具有灵敏度增强的光传感器的系统
公开(公告)号：US20110095167A1
公开(公告)日：2011-04-28
申请号：US12589501
申请日：2009-10-23
申请人： Dazeng Feng , Mehdi Asghari
发明人： Dazeng Feng , Mehdi Asghari
IPC分类号： H01J40/14
CPC分类号： H01L31/1075 , G02B6/12004
摘要： The optical device includes a waveguide and a light sensor on a base. The light sensor includes a ridge extending from slab regions positioned on opposing sides of the ridge. The ridge includes a multiplication layer and an absorption layer. The absorption layer is positioned to receive at least a portion of the light signal from the waveguide. Additionally, the absorption layer generates a hole and electron pair in response to receiving a photon of the light signal. The multiplication layer is positioned to receive the electron generated in the absorption layer and to generate additional electrons in response to receiving the electron.
摘要翻译：光学装置包括在基底上的波导和光传感器。光传感器包括从位于脊的相对侧上的平板区延伸的脊。脊包括乘法层和吸收层。吸收层被定位成接收来自波导的光信号的至少一部分。此外，响应于接收光信号的光子，吸收层产生空穴和电子对。放置乘法层以接收在吸收层中产生的电子并响应于接收电子而产生额外的电子。

26. 发明申请

US20100207223A1 Optical device having light sensor employing horizontal electrical field 有权
标题翻译：具有采用水平电场的光传感器的光学装置
公开(公告)号：US20100207223A1
公开(公告)日：2010-08-19
申请号：US12380016
申请日：2009-02-19
申请人： Dazeng Feng , Po Dong , Mehdi Asghari , Ning-Ning Feng
发明人： Dazeng Feng , Po Dong , Mehdi Asghari , Ning-Ning Feng
IPC分类号： H01L31/0232
CPC分类号： G02B6/12004 , H01L31/03529 , H01L31/105 , H01L31/1804 , Y02E10/547 , Y02P70/521
摘要： The optical device includes a waveguide and a light sensor on a base. The light sensor includes a light-absorbing medium configured to receive a light signal from the waveguide. The light sensor also includes field sources for generating an electrical field in the light-absorbing medium. The field sources are configured so the electrical field is substantially parallel to the base.
摘要翻译：光学装置包括在基底上的波导和光传感器。光传感器包括被配置为从波导接收光信号的光吸收介质。光传感器还包括用于在光吸收介质中产生电场的场源。场源被配置为使得电场基本上平行于基极。

27. 发明授权

US09379515B1 Laser combining light signals from multiple laser cavities 有权
标题翻译：激光组合来自多个激光腔的光信号
公开(公告)号：US09379515B1
公开(公告)日：2016-06-28
申请号：US13385275
申请日：2012-02-09
申请人： Mehdi Asghari , Dazeng Feng
发明人： Mehdi Asghari , Dazeng Feng
IPC分类号： H01S5/00 , H01S3/13 , H01S3/10 , H01S5/068 , H01S5/0625
CPC分类号： H01S3/1307 , H01S3/10053 , H01S5/026 , H01S5/06213 , H01S5/0625 , H01S5/06821 , H01S5/141 , H01S5/3412 , H01S5/4012 , H01S5/4062 , H01S5/4068
摘要： An optical chip includes multiple laser cavities that each reflects a different portion of a light signal back and forth between reflective components. Each laser cavity guides one of the light signal portions through one or more waveguides. The one or more waveguides from different laser cavities being optically coupled to one another. A combiner receives the light signal portion from each of the laser cavities and combines the light signal portions into a light signal.
摘要翻译：光学芯片包括多个激光腔，其各自在反射部件之间来回反射光信号的不同部分。每个激光腔通过一个或多个波导引导一个光信号部分。来自不同激光腔的一个或多个波导彼此光耦合。组合器从每个激光腔接收光信号部分，并将光信号部分组合成光信号。

28. 发明授权

US08737772B2 Reducing optical loss in an optical modulator using depletion region 有权
标题翻译：减少使用耗尽区的光调制器的光损耗
公开(公告)号：US08737772B2
公开(公告)日：2014-05-27
申请号：US12660149
申请日：2010-02-19
申请人： Po Dong , Dazeng Feng , Shirong Liao , Mehdi Asghari
发明人： Po Dong , Dazeng Feng , Shirong Liao , Mehdi Asghari
IPC分类号： G02F1/035
CPC分类号： G02F1/025 , G02F2201/063 , G02F2201/12
摘要： An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium includes a slab region and a ridge extending upward from the slab region. The ridge defines a portion of an optical waveguide on the device. A modulator is also positioned on the base. The modulator includes a first doped region of the light-transmitting medium and a second doped region of the light-transmitting medium. The first doped region and the second doped region are configured such that a depletion region forms in the waveguide when an electrical bias is not applied to the modulator. At least a portion of the first doped region is positioned in the ridge and at least a portion of the second doped region is positioned in the slab region. The light-transmitting medium includes a first electrical pathway extending from a first location to the first doped region. The first location is on top of the light-transmitting medium and is spaced apart from the ridge.
摘要翻译：光学装置包括位于基座上的透光介质。透光介质包括板坯区域和从板坯区域向上延伸的脊部。脊部限定了设备上光波导的一部分。调制器也位于基座上。调制器包括透光介质的第一掺杂区域和透光介质的第二掺杂区域。第一掺杂区域和第二掺杂区域被配置为使得当不向调制器施加电偏压时，在波导管中形成耗尽区域。第一掺杂区域的至少一部分位于脊中，并且第二掺杂区域的至少一部分位于板区域中。透光介质包括从第一位置延伸到第一掺杂区域的第一电路径。第一位置在透光介质的顶部，并与脊部间隔开。

29. 发明申请

US20140105239A1 Reduction of Mode Hopping in a Laser Cavity 审中-公开
标题翻译：减少激光腔中的模式跳跃
公开(公告)号：US20140105239A1
公开(公告)日：2014-04-17
申请号：US13573892
申请日：2012-10-12
申请人： Mehdi Asghari , Dazeng Feng
发明人： Mehdi Asghari , Dazeng Feng
IPC分类号： H01S3/063
CPC分类号： H01S3/063 , H01S5/02248 , H01S5/02272 , H01S5/028 , H01S5/0683 , H01S5/141
摘要： The laser cavity is positioned on a substrate and includes a cavity waveguide guiding a laser light signal between a gain medium and a partial return device. The partial return device receives the laser light signal from the cavity waveguide and returns a first portion of the laser light signal to the cavity waveguide. The partial return device transmits a second portion of the laser light signal to an output waveguide. The partial return device reflects different wavelengths of the laser light signal at different intensities. Additionally, the partial return device is configured such that when the most intense wavelength of the laser light signal reflected by the partial return device is the same as a wavelength of one of modes of the laser light signal, the mode with the next longest wavelength and the mode with the next shortest wavelength are each reflected by the partial return device at an intensity greater than 80% of the intensity of the most intensely reflected wavelength.
摘要翻译：激光腔定位在基板上，并且包括在增益介质和部分返回装置之间引导激光信号的空腔波导。部分返回装置从腔波导接收激光信号，并将激光信号的第一部分返回到腔波导。部分返回装置将激光信号的第二部分发送到输出波导。部分返回装置以不同的强度反射不同波长的激光信号。此外，部分返回装置被配置为使得当由部分返回装置反射的激光信号的最强波长与激光信号的模式之一的波长相同时，具有下一最长波长的模式和具有下一个最短波长的模式各自以强度大于最强反射波长的强度的80％的强度由部分返回装置反射。

30. 发明申请

US20130316484A1 Enhancing uniformity of slab region thickness in optical components 有权
标题翻译：提高光学部件中板坯厚度的均匀性
公开(公告)号：US20130316484A1
公开(公告)日：2013-11-28
申请号：US13506910
申请日：2012-05-23
申请人： Joan Fong , Wei Qian , Dazeng Feng , Mehdi Asghari
发明人： Joan Fong , Wei Qian , Dazeng Feng , Mehdi Asghari
IPC分类号： H01L31/02
CPC分类号： G02F1/025 , G02B6/136 , H01S5/209 , H01S5/22
摘要： A method of forming an optical device includes generating a device precursor having a layer of a light-transmitting medium on a base. The method also includes forming an etch stop on the layer of light-transmitting medium. An active medium is grown on the etch stop and on the light-transmitting medium such that the light-transmitting medium is between the base and the grown active medium. The grown active medium is etched down to the etch stop so as to define a ridge in the active medium. The ridge of active medium defines a portion of a component waveguide that will guide a light signal through an active component on the device.
摘要翻译：形成光学器件的方法包括在基底上产生具有透光介质层的器件前体。该方法还包括在光透射介质层上形成蚀刻停止层。在蚀刻停止点和透光介质上生长活性介质，使得透光介质位于基底和生长的活性介质之间。将生长的活性介质蚀刻到蚀刻停止层，以便限定活性介质中的脊。有源介质的脊限定了将导引光信号穿过器件上的有源部件的部件波导的一部分。

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