公开(公告)号：US08659750B2

公开(公告)日：2014-02-25

申请号：US13040161

申请日：2011-03-03

Applicant: Shin Masuda

Inventor： Shin Masuda

IPC: G01N21/00

CPC classification number: G01R31/31728

Abstract: Provided is a test apparatus that tests a device under test including an optical coupler for transmitting optical signals in a surface direction and a first groove for holding an optical transmission path connected to the optical coupler. The test apparatus comprises a substrate on which the device under test is to be loaded; an optical transmission path to be connected to the optical coupler; and a pressing section that presses the optical transmission path from the substrate side toward the first groove. Also provided is a test method.

Abstract translation: 提供了一种测试包括用于在表面方向上传输光信号的光耦合器的测试装置和用于保持连接到光耦合器的光传输路径的第一凹槽的测试装置。 测试装置包括：待加载装置将在其上装载的基板; 要连接到光耦合器的光传输路径; 以及将光传输路径从基板侧向第一槽按压的按压部。 还提供了一种测试方法。

公开(公告)号：US08559777B2

公开(公告)日：2013-10-15

申请号：US13278154

申请日：2011-10-20

Applicant: Hideo Hara ,  Shin Masuda ,  Atsushi Seki

Inventor： Hideo Hara ,  Shin Masuda ,  Atsushi Seki

IPC: G02F1/035

CPC classification number: G02F1/2255 ,  G02F1/0121 ,  G02F1/0316

Abstract: Provided is an optical modulator that modulates input light with a high frequency and low half-wave voltage. An optical device comprises a substrate; a dielectric film that is formed on the substrate and includes a first optical waveguide and a second optical waveguide that run parallel to each other; an insulating film formed on the dielectric film; a coplanar line that is formed on the insulating film and includes a signal line arranged between the first optical waveguide and the second optical waveguide, a first ground line arranged in a first region, and a second ground line arranged in a second region; and auxiliary electrodes that are arranged in the first region and the second region, are formed in contact with the dielectric film or within the insulating film, and apply bias voltages to the first optical waveguide and the second optical waveguide.

Abstract translation: 提供一种调制具有高频和低半波电压的输入光的光调制器。 光学装置包括基板; 形成在基板上并且包括彼此平行延伸的第一光波导和第二光波导的电介质膜; 形成在绝缘膜上的绝缘膜; 形成在所述绝缘膜上并且包括布置在所述第一光波导和所述第二光波导之间的信号线，布置在第一区域中的第一接地线和布置在第二区域中的第二接地线的共面线; 并且布置在第一区域和第二区域中的辅助电极形成为与电介质膜或绝缘膜接触，并向第一光波导和第二光波导施加偏置电压。

公开(公告)号：US08224143B2

公开(公告)日：2012-07-17

申请号：US12713184

申请日：2010-02-26

Applicant: Shin Masuda ,  Kazunori Shiota ,  Atsushi Seki

Inventor： Shin Masuda ,  Kazunori Shiota ,  Atsushi Seki

IPC: G02B6/10 ,  B32B9/04 ,  B05D5/06 ,  H01L21/00

CPC classification number: G02F1/0018 ,  G02F1/0316 ,  G02F1/035 ,  G02F2001/212 ,  Y10T428/325

Abstract: Provided is a substrate structure and a manufacturing method thereof, the substrate structure including a base substrate of single crystal; and a rhombohedral ferroelectric thin film exhibiting a spontaneous ferroelectric polarization and of a perovskite structure, the ferroelectric thin film being formed on a surface of the base substrate. The substrate structure may further include an optical waveguide formed on the ferroelectric thin film; and an electric field applying section that applies, to the optical waveguide, an electric field parallel to a surface of the base substrate. The electric field applying section generates the electric field so that the electric field direction of the electric field applied to the optical waveguide is parallel to a direction of the spontaneous ferroelectric polarization of the ferroelectric thin film.

Abstract translation: 提供一种基板结构及其制造方法，该基板结构包括单晶基底; 以及表现出自发铁电极化和钙钛矿结构的菱形铁电薄膜，所述铁电薄膜形成在所述基底基板的表面上。 基板结构还可以包括形成在铁电薄膜上的光波导; 以及电场施加部，其向光波导施加平行于基底的表面的电场。 电场施加部产生电场，使得施加到光波导的电场的电场方向平行于铁电薄膜的自发铁电极化方向。

公开(公告)号：US07898733B2

公开(公告)日：2011-03-01

申请号：US12422758

申请日：2009-04-13

Applicant: Kazunori Shiota ,  Shin Masuda ,  Masataka Nakazawa ,  Masato Yoshida

Inventor： Kazunori Shiota ,  Shin Masuda ,  Masataka Nakazawa ,  Masato Yoshida

IPC: H04B10/17 ,  H01S3/00

CPC classification number: H01S3/06791 ,  H01S3/0675 ,  H01S3/08 ,  H01S3/094042 ,  H01S3/1109 ,  H01S3/1118

Abstract: A laser oscillator includes a ring resonator. The ring resonator includes an optical circulator having first, second, third, and fourth ports and a first optical amplification fiber connected to the optical circulator. Light incident on the first port is exited from the second port, and light incident on the second port is exited from the third port. The fourth port provides an exciting light and injects the exciting light into the ring resonator through the first port. The first optical amplification fiber amplifies light exited from the third port with the exciting light provided by the fourth port. The laser oscillator also includes an optical member connected to the optical circulator. The optical member reflects at least a part of the light exited from the second port and injects the same into the second port again.

Abstract translation: 激光振荡器包括环形谐振器。 环形谐振器包括具有第一，第二，第三和第四端口的光循环器和连接到光循环器的第一光放大光纤。 第一个港口的光线从第二个港口出发，第二个港口的光线从第三个港口出来。 第四个端口提供激发光，并通过第一个端口将激发光注入环形谐振器。 第一光放大光纤利用由第四端口提供的激发光放大从第三端口退出的光。 激光振荡器还包括连接到光循环器的光学构件。 光学构件反射从第二端口退出的光的至少一部分，并再次将其注入第二端口。

公开(公告)号：US20060139116A1

公开(公告)日：2006-06-29

申请号：US11299721

申请日：2005-12-12

Applicant: Shoji Niki ,  Shin Masuda

Inventor： Shoji Niki ,  Shin Masuda

IPC: H03L1/00

CPC classification number: H03L7/099 ,  H03L1/04

Abstract: A temperature stabilizer for accurately stabilizing the temperature of an object is provided. The temperature stabilizer stabilizes the temperature of an object to a reference temperature. The temperature stabilizer includes an oscillator provided in proximity to the object, for generating an oscillation signal having a frequency corresponding to an inputted frequency control signal, a phase detector for detecting the phase difference between a feedback signal based on the oscillation signal and a reference clock signal having a predetermined frequency, a loop filter for generating the frequency control signal to synchronize the feedback signal with the reference clock signal based on the output from the phase detector, a comparator for comparing the value of the frequency control signal with a reference value determined corresponding to the reference temperature and an electric heating converter for heating or cooling the object based on the comparison result from the comparator.

Abstract translation: 提供了一种用于精确稳定物体温度的温度稳定器。 温度稳定器将物体的温度稳定在参考温度。 温度稳定器包括设置在物体附近的振荡器，用于产生具有与输入的频率控制信号对应的频率的振荡信号;相位检测器，用于检测基于振荡信号的反馈信号与基准时钟之间的相位差 具有预定频率的信号;环路滤波器，用于产生频率控制信号以使反馈信号与基准时钟信号基于来自相位检测器的输出同步;比较器，用于将频率控制信号的值与确定的参考值进行比较 对应于参考温度，以及电加热转换器，用于根据比较器的比较结果加热或冷却物体。

公开(公告)号：US08885157B2

公开(公告)日：2014-11-11

申请号：US13041294

申请日：2011-03-04

Applicant: Shin Masuda

Inventor： Shin Masuda

IPC: G01N21/00 ,  G01R31/28 ,  G01R15/22 ,  G02B6/42 ,  G01R31/311 ,  G01J1/28

CPC classification number: G01R31/2886 ,  G01J1/28 ,  G01R15/22 ,  G01R31/311 ,  G02B6/4206

Abstract: Provided is a test apparatus that tests a device under test including an optical coupler transmitting optical signals in a direction perpendicular to a device surface. The test apparatus includes a substrate on which the device under test is to be loaded, an optical transmission path that transmits the optical signals, and a lens section facing the optical coupler on the substrate that focuses the optical signals from an end of either the optical coupler or the optical transmission path to an end of the other.

Abstract translation: 提供了一种测试被测设备，包括在垂直于设备表面的方向上发送光信号的光耦合器。 测试装置包括：待加载装置将在其上装载的基板，透射光信号的光传输路径;以及在基板上面向光耦合器的透镜部分，其聚焦来自光学信号的端部的光信号 耦合器或到另一端的光传输路径。

公开(公告)号：US08792792B2

公开(公告)日：2014-07-29

申请号：US13275336

申请日：2011-10-18

Applicant: Shin Masuda ,  Kazunori Shiota

Inventor： Shin Masuda ,  Kazunori Shiota

IPC: H04B10/04 ,  H01S5/042 ,  H01S5/068 ,  H01S3/067 ,  H01S5/00 ,  H01S5/40 ,  H01S3/00

CPC classification number: H01S5/0427 ,  H01S3/0064 ,  H01S3/06754 ,  H01S5/0057 ,  H01S5/06821 ,  H01S5/4006

Abstract: [PROBLEM] Providing an optical source that outputs optical frequency modulated light having a constant output optical intensity.[MEANS FOR SOLVING THE PROBLEM] Provided is a light source apparatus that outputs an optical signal having an optical frequency corresponding to a frequency control signal, the light source apparatus including a laser light source section that outputs laser light having an optical frequency corresponding to the frequency control signal; and an optical intensity adjusting section that compensates for intensity change of the laser light to output laser light in which the intensity change caused by a change in the optical frequency is restricted. The optical intensity adjusting section includes an optical amplification section that adjusts an amplification factor of the laser light from the laser light source section, based on the frequency control signal, to restrict the intensity change of laser light corresponding to the frequency control signal, and outputs the resulting laser light.

Abstract translation: [问题]提供输出具有恒定输出光强度的光调制光的光源。 解决问题的手段提供一种光源装置，其输出具有与频率控制信号对应的光频的光信号，该光源装置包括激光源部，该激光光源部输出具有对应于 频率控制信号; 以及光强度调节部，其补偿激光的强度变化以输出由光频率的变化引起的强度变化的激光。 光强度调节部包括光放大部，其基于频率控制信号来调整来自激光光源部的激光的放大系数，以限制与频率控制信号对应的激光的强度变化，并输出 产生的激光。

公开(公告)号：US20120269521A1

公开(公告)日：2012-10-25

申请号：US13275336

申请日：2011-10-18

Applicant: Shin Masuda ,  Kazunori Shiota

Inventor： Shin Masuda ,  Kazunori Shiota

IPC: H01S5/0687 ,  H04B10/04

CPC classification number: H01S5/0427 ,  H01S3/0064 ,  H01S3/06754 ,  H01S5/0057 ,  H01S5/06821 ,  H01S5/4006

Abstract: To efficiently apply jitter to an optical signal using a simple configuration, provided is an optical signal generating apparatus that outputs an optical pulse pattern signal including jitter, the optical signal generating apparatus comprising a light source section that outputs laser light having an optical frequency corresponding to a frequency control signal, an optical modulation section that modulates an optical signal output by the light source section, according to a designated pulse pattern, and an optical jitter generating section that delays an optical signal passed by the optical modulation section according to the optical frequency, to apply jitter to the optical signal.

Abstract translation: 为了使用简单的配置有效地将抖动应用于光信号，提供了一种光信号发生装置，其输出包括抖动的光脉冲模式信号，该光信号发生装置包括：光源部，其输出具有对应于 频率控制信号，根据指定的脉冲模式调制由光源部输出的光信号的光调制部，以及光抖动发生部，其根据光频率延迟由光调制部通过的光信号 ，以将抖动应用于光信号。

公开(公告)号：US20110228806A1

公开(公告)日：2011-09-22

申请号：US13122459

申请日：2009-10-14

Applicant: Shin Masuda

Inventor： Shin Masuda

IPC: H01S3/091

CPC classification number: H01S3/06791 ,  H01S5/1078

Abstract: In a fiber laser, a stable laser oscillation is easily realized. A fiber laser includes an optical amplification unit which has a first end and a second end, receives pump light, and emits spontaneous emission light from the first end, and receives the spontaneous emission light at the second end, and emits stimulated emission light from the first end, and a light passing unit (PM fibers, single mode fiber) which connects the first end and the second end with each other, and passes the spontaneous emission light and the stimulated emission light, where the light passing unit includes the PM fibers (polarization plane maintaining units) which present a small change in the polarization plane of passing light and a single mode fiber (polarization plane changing unit) which presents a large change in the polarization plane of passing light.

Abstract translation: 在光纤激光器中，可以容易地实现稳定的激光振荡。 光纤激光器包括具有第一端和第二端的光放大单元，其接收泵浦光，并从第一端发射自发发射光，并且在第二端接收自发发射光，并从第二端发射受激发射光 第一端和将第一端和第二端彼此连接的光通过单元（PM光纤，单模光纤），并且通过自发发射光和受激发射光，其中光通过单元包括PM纤维 （偏振面维持单元），其通过光的偏振面具有小的变化，并且在通过的光的偏振面中具有大的变化的单模光纤（偏振面改变单元）。

公开(公告)号：US20100067100A1

公开(公告)日：2010-03-18

申请号：US12422758

申请日：2009-04-13

Applicant: Kazunori Shiota ,  Shin Masuda ,  Masataka Nakazawa ,  Masato Yoshida

Inventor： Kazunori Shiota ,  Shin Masuda ,  Masataka Nakazawa ,  Masato Yoshida

IPC: H04B10/17 ,  H01S3/00

CPC classification number: H01S3/06791 ,  H01S3/0675 ,  H01S3/08 ,  H01S3/094042 ,  H01S3/1109 ,  H01S3/1118

Abstract: A laser oscillator includes a ring resonator. The ring resonator includes an optical circulator having first, second, third, and fourth ports and a first optical amplification fiber connected to the optical circulator. Light incident on the first port is exited from the second port, and light incident on the second port is exited from the third port. The fourth port provides an exciting light and injects the exciting light into the ring resonator through the first port. The first optical amplification fiber amplifies light exited from the third port with the exciting light provided by the fourth port. The laser oscillator also includes an optical member connected to the optical circulator. The optical member reflects at least a part of the light exited from the second port and injects the same into the second port again.

Abstract translation: 激光振荡器包括环形谐振器。 环形谐振器包括具有第一，第二，第三和第四端口的光循环器和连接到光循环器的第一光放大光纤。 第一个港口的光线从第二个港口出发，第二个港口的光线从第三个港口出来。 第四个端口提供激发光，并通过第一个端口将激发光注入环形谐振器。 第一光放大光纤利用由第四端口提供的激发光放大从第三端口退出的光。 激光振荡器还包括连接到光循环器的光学构件。 光学构件反射从第二端口退出的光的至少一部分，并再次将其注入第二端口。