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    • 3. 发明申请
    • WAFER LEVEL TESTING OF OPTICAL DEVICES
    • 光学器件的水平测试
    • US20140111793A1
    • 2014-04-24
    • US13694047
    • 2012-10-22
    • Mehdi AsghariDazeng Feng
    • Mehdi AsghariDazeng Feng
    • G01J1/04
    • G01J1/0425G01J1/0209G01J1/08G01J2001/083G01J2001/4247G02B6/12004G02B6/125G02B2006/12097
    • A wafer includes multiple optical devices that each includes one or more optical components. The optical components include light-generating components that each generates a light signal in response to application of electrical energy to the light-generating component from electronics that are external to the wafer. The optical components also include receiver components that each outputs an electrical signal in response to receipt of light. The wafer also includes testing waveguides that each extends from within a boundary of one of the optical devices across the boundary of the optical device and also provides optical communication between a first portion of the optical components and a second portion of the optical components. The first portion of the optical components includes one or more of the light-generating components and the second portion of the optical components include one or more of the receiver components.
    • 晶片包括多个光学器件,每个光学器件包括一个或多个光学部件。 光学部件包括发光部件,每个发光部件响应于从晶片外部的电子器件向发光部件施加电能而产生光信号。 光学部件还包括响应于光的接收而输出电信号的接收器部件。 晶片还包括测试波导,每个波导从光学器件中的一个光学器件的边界内延伸穿过光学器件的边界,并且还提供光学部件的第一部分和光学部件的第二部分之间的光学连通。 光学部件的第一部分包括一个或多个发光部件,并且光学部件的第二部分包括一个或多个接收器部件。
    • 4. 发明授权
    • Optical device having partially butt-coupled light sensor
    • 具有部分对接耦合的光传感器的光学装置
    • US08476576B2
    • 2013-07-02
    • US12799633
    • 2010-04-28
    • Po DongDazeng FengNing-Ning FengDawei ZhengMehdi Asghari
    • Po DongDazeng FengNing-Ning FengDawei ZhengMehdi Asghari
    • G02B6/26
    • H01L31/105G02B6/12004G02B6/122G02B6/30
    • An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium defines a waveguide. The optical device also includes a light sensor. The light sensor includes a light-absorbing medium positioned on the base. A portion of the waveguide ends at a facet such that a first portion of a light signal being guided by the wavegide passes through the facet and a second portion of the light signal bypasses the facet and remains in the light-transmitting medium. The light-absorbing medium is positioned on the light-transmitting medium such that the light-transmitting medium is between the light-absorbing medium and the base. Additionally, the light-absorbing medium is positioned on the light-transmitting medium such that the light-absorbing medium receives the first portion of the light signal that passes through the facet. Further, the light-absorbing medium is configured such that the second portion of the light signal is coupled into the light-absorbing medium from the light-transmitting medium.
    • 光学装置包括位于基座上的透光介质。 光传输介质限定波导。 光学装置还包括光传感器。 光传感器包括位于基座上的光吸收介质。 波导的一部分在小面处结束,使得由波形引导的光信号的第一部分通过小平面,并且光信号的第二部分绕过小面并保留在透光介质中。 光吸收介质位于透光介质上,使得透光介质在光吸收介质和基底之间。 此外,光吸收介质位于透光介质上,使得光吸收介质接收通过小面的光信号的第一部分。 此外,光吸收介质被配置为使得光信号的第二部分从光传输介质耦合到光吸收介质中。
    • 5. 发明申请
    • Optical device having light sensor with doped regions
    • 具有掺杂区域的光传感器的光学装置
    • US20130020668A1
    • 2013-01-24
    • US13507468
    • 2012-06-28
    • Wei QianDazeng FengMehdi Asghari
    • Wei QianDazeng FengMehdi Asghari
    • H01L31/0232
    • G02B6/12004G02B6/131G02B2006/12061G02B2006/12176
    • The optical device includes a waveguide on a base. The waveguide is configured to guide a light signal through a light-transmitting medium to a light sensor. The light sensor includes a sensor waveguide on the base. The sensor waveguide receives the light signal from the input waveguide. Additionally, the sensor waveguide includes a light-absorbing medium having an input side. The input side is interfaced with the light-transmitting medium such that at least a portion of the light signal received by the sensor waveguide travels through the input side of the light-absorbing medium upon being received by the sensor waveguide. The light-absorbing medium includes doped regions. One or more of the doped regions each extends from within the light-absorbing medium to the input side of the light-absorbing medium.
    • 光学器件包括在基底上的波导。 波导被配置为将光信号通过光传输介质引导到光传感器。 光传感器包括在基座上的传感器波导。 传感器波导接收来自输入波导的光信号。 另外,传感器波导包括具有输入侧的光吸收介质。 输入侧与光传输介质接口,使得由传感器波导接收的光信号的至少一部分在被传感器波导接收时行进通过光吸收介质的输入侧。 光吸收介质包括掺杂区域。 一个或多个掺杂区域各自从光吸收介质延伸到光吸收介质的输入侧。
    • 7. 发明申请
    • Optical device having partially butt-coupled light sensor
    • 具有部分对接耦合的光传感器的光学装置
    • US20110266422A1
    • 2011-11-03
    • US12799633
    • 2010-04-28
    • Po DongDazeng FengNing-Ning FengDawei ZhengMehdi Asghari
    • Po DongDazeng FengNing-Ning FengDawei ZhengMehdi Asghari
    • H01L31/0232
    • H01L31/105G02B6/12004G02B6/122G02B6/30
    • An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium defines a waveguide. The optical device also includes a light sensor. The light sensor includes a light-absorbing medium positioned on the base. A portion of the waveguide ends at a facet such that a first portion of a light signal being guided by the wavegide passes through the facet and a second portion of the light signal bypasses the facet and remains in the light-transmitting medium. The light-absorbing medium is positioned on the light-transmitting medium such that the light-transmitting medium is between the light-absorbing medium and the base. Additionally, the light-absorbing medium is positioned on the light-transmitting medium such that the light-absorbing medium receives the first portion of the light signal that passes through the facet. Further, the light-absorbing medium is configured such that the second portion of the light signal is coupled into the light-absorbing medium from the light-transmitting medium.
    • 光学装置包括位于基座上的透光介质。 光传输介质限定波导。 光学装置还包括光传感器。 光传感器包括位于基座上的光吸收介质。 波导的一部分在小面处结束,使得由波形引导的光信号的第一部分通过小平面,并且光信号的第二部分绕过小面并保留在透光介质中。 光吸收介质位于透光介质上,使得透光介质在光吸收介质和基底之间。 此外,光吸收介质位于透光介质上,使得光吸收介质接收通过小面的光信号的第一部分。 此外,光吸收介质被配置为使得光信号的第二部分从光传输介质耦合到光吸收介质中。
    • 8. 发明申请
    • Reducing optical loss in an optical modulator using depletion region
    • 减少使用耗尽区的光调制器的光损耗
    • US20110206313A1
    • 2011-08-25
    • US12660149
    • 2010-02-19
    • Po DongDazeng FengShirong LiaoMehdi Asghari
    • Po DongDazeng FengShirong LiaoMehdi Asghari
    • G02F1/035
    • G02F1/025G02F2201/063G02F2201/12
    • 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.
    • 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。