公开(公告)号：US09726839B2

公开(公告)日：2017-08-08

申请号：US14973836

申请日：2015-12-18

Applicant: Oki Electric Industry Co., Ltd. ,  Photonics Electronics Technology Research Association

Inventor： Daisuke Shimura

IPC: G02B6/42

CPC classification number: G02B6/4246 ,  G02B6/421 ,  G02B6/4214 ,  G02B6/4215 ,  G02B6/428 ,  G02B6/4292

Abstract: There is provided a bidirectional optical communication module including a bidirectional optical communication chip configured to include an optical circuit board in which a light receiving element constituting a receiving section, a transmitting element constituting a transmitting section, and a wavelength-division multiplexing (WDM) filter that divides transmission signal light and reception signal light from each other are hybrid-integrated, a reflecting section configured to direct a propagation direction of the transmission signal light output from the transmitting section and the reception signal light received by the receiving section to a direction orthogonal to the optical circuit board, and an optical coupling element configured to spatially optically-couple an input-output port for the transmission signal light and the reception signal light provided at the bidirectional optical communication chip to an input-output port of an optical fiber.

公开(公告)号：US20170069769A1

公开(公告)日：2017-03-09

申请号：US15244853

申请日：2016-08-23

Applicant: Renesas Electronics Corporation ,  Photonics Electronics Technology Research Association

Inventor： Tatsuya USAMI ,  Yoshiaki YAMAMOTO ,  Keiji SAKAMOTO ,  Tohru MOGAMI ,  Tsuyoshi HORIKAWA ,  Keizo KINOSHITA

IPC: H01L31/0232 ,  H01L31/18 ,  G02B6/136 ,  G02B6/12 ,  G02B6/122

CPC classification number: H01L31/02327 ,  G02B6/12004 ,  G02B6/122 ,  G02B6/136 ,  G02B2006/12061 ,  G02B2006/12123 ,  H01L31/1808

Abstract: A performance of a semiconductor device is improved. In a method of manufacturing a semiconductor device, a first semiconductor portion and a second semiconductor portion made of silicon are formed on a base body via an insulation layer, and a third semiconductor portion including a semiconductor layer made of germanium is formed on the second semiconductor portion. Next, an insulation film is formed above the first semiconductor portion, an opening portion reaching the first semiconductor portion from an upper surface of the insulation film is formed, and a metal silicide layer is formed on a part of an upper surface of the first semiconductor portion exposed to the opening portion.

Abstract translation: 提高了半导体器件的性能。 在制造半导体器件的方法中，通过绝缘层在基体上形成由硅制成的第一半导体部分和第二半导体部分，并且在第二半导体上形成包括由锗制成的半导体层的第三半导体部分 一部分。 接着，在第一半导体部分的上方形成绝缘膜，形成从绝缘膜的上表面到达第一半导体部分的开口部，在第一半导体的上表面的一部分上形成金属硅化物层 部分暴露于开口部分。

公开(公告)号：US20170005454A1

公开(公告)日：2017-01-05

申请号：US15146215

申请日：2016-05-04

Applicant: FUJITSU LIMITED ,  Photonics Electronics Technology Research Association

Inventor： Tomoyuki Akiyama

IPC: H01S5/14 ,  H01S5/026 ,  H01S5/0683 ,  H01S5/125

CPC classification number: H01S5/142 ,  H01S5/021 ,  H01S5/0261 ,  H01S5/0262 ,  H01S5/0265 ,  H01S5/06832 ,  H01S5/06837 ,  H01S5/125

Abstract: A modulated light source includes a ring modulator, a first optical waveguide and a second optical waveguide that are optically connected to the ring modulator, and a third optical waveguide that optically connects an end of the first optical waveguide and an end of the second optical waveguide. At least part of the third optical waveguide has optical gain, and an optical waveguide loop including the ring modulator, the first optical waveguide, the second optical waveguide, and the third optical waveguide is used as a resonator to cause laser oscillation.

Abstract translation: 调制光源包括光耦合到环形调制器的环形调制器，第一光波导和第二光波导，以及光学连接第一光波导的端部和第二光波导的端部的第三光波导 。 第三光波导的至少一部分具有光学增益，并且使用包括环形调制器，第一光波导，第二光波导和第三光波导的光波导环作为谐振器以引起激光振荡。

公开(公告)号：US20160054529A1

公开(公告)日：2016-02-25

申请号：US14780449

申请日：2014-03-19

Applicant: PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION

Inventor： Kenichiro Yashiki ,  Masatoshi Tokushima

IPC: G02B6/42 ,  G02B6/12 ,  G02B6/125 ,  G02B6/34

CPC classification number: G02B6/4207 ,  G02B6/12004 ,  G02B6/125 ,  G02B6/28 ,  G02B6/305 ,  G02B6/34 ,  G02B2006/12123 ,  G02B2006/12142 ,  H01S5/0064 ,  H01S5/0085

Abstract: An optical circuit, wherein the effects of reflected light generated by an optical component are reduced. The optical circuit (100) is provided with an optical branching (110) for branching light, an optical coupler (114) for coupling a first portion of branched light to an optical waveguide (118) for transmission, and an optical reflecting unit (116) for reflecting a second portion of the branched light, the phase difference between the reflected light from the optical coupler (114) and the reflected light from the optical reflecting unit (116) being (2m−1)π (where m is an integer) on an input side of the optical branching (110).

Abstract translation: 一种光学电路，其中减少了由光学部件产生的反射光的影响。 光路100具有用于分光的光分路器110，用于将分支光的第一部分耦合到光波导118以用于传输的光耦合器114和光反射单元116 ），用于反射分支光的第二部分，来自光耦合器（114）的反射光和来自光反射单元（116）的反射光之间的相位差为（2m-1）＆pgr; （其中m是整数）在光分支（110）的输入侧。

公开(公告)号：US20160006533A1

公开(公告)日：2016-01-07

申请号：US14730706

申请日：2015-06-04

Applicant: FUJITSU LIMITED ,  Photonics Electronics Technology Research Association

Inventor： Seokhwan Jeong

IPC: H04J14/02 ,  G02B6/293

CPC classification number: G02B6/29355 ,  G02B6/2938 ,  G02B2006/121

Abstract: An optical element includes: a first delayed interferometer; and a second delayed interferometer and a third delayed interferometer cascaded to the first delayed interferometer. The first delayed interferometer includes: a first optical coupler and a second optical coupler; a first waveguide between the first optical coupler and the second optical coupler; a second waveguide between the first optical coupler and the second optical coupler, the second waveguide being longer than the first waveguide; and a ring waveguide that is coupled to the first waveguide. A difference between a length of the first waveguide and a length of the second waveguide differs from a difference in lengths corresponding to a channel spacing by a length corresponding to a phase displacement caused by loading of the ring waveguide.

Abstract translation: 光学元件包括：第一延迟干涉仪; 以及级联到第一延迟干涉仪的第二延迟干涉仪和第三延迟干涉仪。 第一延迟干涉仪包括：第一光耦合器和第二光耦合器; 第一光耦合器和第二光耦合器之间的第一波导; 在所述第一光耦合器和所述第二光耦合器之间的第二波导，所述第二波导比所述第一波导长; 以及耦合到第一波导的环形波导。 第一波导的长度和第二波导的长度之间的差异与对应于通道间隔的长度差与由环形波导的负载引起的相位移相对应的长度不同。

公开(公告)号：US20150261061A1

公开(公告)日：2015-09-17

申请号：US14609809

申请日：2015-01-30

Applicant: FUJITSU LIMITED ,  Photonics Electronics Technology Research Association

Inventor： Tomoyuki Akiyama

IPC: G02F1/225 ,  G02B6/293 ,  G02F1/01

CPC classification number: G02F1/225 ,  G02B6/12007 ,  G02B6/29338 ,  G02B6/2938 ,  G02B6/29391 ,  G02B6/29395 ,  G02F1/0121 ,  H04J14/0221

Abstract: A control method of an optical element, including light sources to emit lights having different wavelengths from each other, and ring modulators connected in cascade along a light waveguide, is disclosed. Each ring modulator includes a ring resonator, and a wavelength adjustment electrode to adjust a resonance wavelength in the ring resonator, wherein the lights from the light sources are multiplexed to enter the light waveguide. The method includes having a light source emit the light; adjusting power to the wavelength adjustment electrode in each ring modulator, to obtain a value of the power causing the resonance wavelength of the ring resonator, equivalent to the wavelength of the light emitted from the light source; obtaining a relationship between the light sources and the values of the power corresponding to the ring modulators; and selecting the ring modulators corresponding to the light sources based on the relationship.

Abstract translation: 公开了一种光学元件的控制方法，包括用于发射彼此不同波长的光的光源和沿光波导级联连接的环形调制器。 每个环形调制器包括环形谐振器和用于调节环形谐振器中的谐振波长的波长调节电极，其中来自光源的光被多路复用以进入光波导。 该方法包括使光源发光; 调整每个环形调制器中的波长调节电极的功率，以获得等于从光源发射的光的波长的引起环形谐振器的谐振波长的功率值; 获得光源与对应于环形调制器的功率值之间的关系; 并根据该关系选择与光源对应的环形调制器。

公开(公告)号：US20150093069A1

公开(公告)日：2015-04-02

申请号：US14309114

申请日：2014-06-19

Applicant: Oki Electric Industry Co., Ltd. ,  Photonics Electronics Technology Research Association

Inventor： Koji NAKAMURA

IPC: G02B6/42

CPC classification number: G02B6/4228 ,  G02B6/421 ,  H01S5/005 ,  H01S5/02252 ,  H01S5/02268 ,  H01S5/1085

Abstract: There is provided a semiconductor laser module with a semiconductor laser chip, in which a first optical waveguide is formed, flip-chip mounted on a silicon substrate with a mesa structure in which a second optical waveguide is formed. The optical axes of the first optical waveguide and the second optical waveguide make a specified angle with lines perpendicular to the respective cleavage planes. Alignment marks are provided on the silicon substrate and the semiconductor laser chip at at least two positioning locations to enable mounting of the semiconductor laser chip by passive alignment. The mounting position is decided so that laser light emitted in a direction of the optical axis of the first optical waveguide and refracted at the emission surface, is refracted at the incident surface of the second optical waveguide and becomes incident in the direction of the optical axis of the second optical waveguide.

Abstract translation: 提供了一种具有半导体激光器芯片的半导体激光器模块，其中形成有第一光波导，倒装芯片安装在具有形成第二光波导的台面结构的硅衬底上。 第一光波导和第二光波导的光轴与垂直于各个解理面的线形成规定的角度。 在至少两个定位位置的硅衬底和半导体激光器芯片上提供对准标记，以便通过被动对准来安装半导体激光器芯片。 决定安装位置，使得沿着第一光波导的光轴方向发射并在发射表面折射的激光在第二光波导的入射面折射并沿光轴方向入射 的第二光波导。

公开(公告)号：US20210406093A1

公开(公告)日：2021-12-30

申请号：US17356797

申请日：2021-06-24

Applicant: NEC CORPORATION ,  PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION

Inventor： Kenji MIZUTANI

IPC: G06F9/54 ,  G06F9/38

Abstract: A computing machine according to the present disclosure includes: control managing means for controlling communication between a plurality of computing machines; and management register means for managing communication setting information which sets communication between the computing machines and communication state information which indicates a state of the communication. The computing machine includes edge control means for, upon receiving a signal from one of the computing machines, sorting the signal into a control signal and data based on the communication setting information set in the management register means and in accordance with the number of clocks for processing the signal.

公开(公告)号：US11128103B2

公开(公告)日：2021-09-21

申请号：US14992342

申请日：2016-01-11

Applicant: FUJITSU LIMITED ,  Photonics Electronics Technology Research Association

Inventor： Tomoyuki Akiyama

IPC: G01J1/20 ,  H01S5/065 ,  G02F1/225 ,  H01S5/06 ,  H01S5/0687 ,  H01S5/12 ,  G02F1/21

Abstract: A modulated light source includes an FP laser that emits light in a plurality of Fabry-Perot (FP) modes, a band-pass filter whose center wavelength can be modulated, a light reflector that selectively feeds only light having passed through the modulation filter back to the FP laser, and a wavelength adjustment mechanism that adjusts the center wavelength so as to coincide with one of the predetermined FP mode when the light fed back to the FP laser is used as seed light for stimulated emission of radiation to cause selective light emission at an oscillation wavelength.

公开(公告)号：US20210104637A1

公开(公告)日：2021-04-08

申请号：US16608801

申请日：2018-02-19

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION

Inventor： Takeru AMANO ,  Akihiro NORIKI

IPC: H01L31/0232 ,  H01S5/022 ,  G02B6/43

Abstract: A circuit board (100) has a first surface (102). A semiconductor chip (200) (first semiconductor chip) is located at the first surface side (102) of the circuit board (100). An insulating layer (300) covers the first surface (102) of the circuit board (100) and the semiconductor chip (200). A conductive path (310) (first conductive path) is electrically connected to the semiconductor chip (200) and extends in the insulating layer (300). A waveguide (320) is optically coupled to the semiconductor chip (200) and extends in the insulating layer (300).