-
公开(公告)号：US20230324726A1
公开(公告)日：2023-10-12
申请号：US18085995
申请日：2022-12-21
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
IPC: G02F1/065
CPC classification number: G02F1/065
Abstract: A device includes a waveguide, an electrode that has a coplanar structure, and an interaction unit that is constituted such that the interaction unit is inserted into a slot of the waveguide, that is formed using an electro-optical polymer, and that acts on light passing through the waveguide according to a voltage received from the electrode. The device includes an excessive length unit that extends to an input side and an output side of the interaction unit and that is formed using the electro-optical polymer, and an other waveguide that is not connected to the waveguide and that is formed by inserting the excessive length unit into the slot located between a first doped layer that is connected to a ground electrode disposed parallel to the excessive length unit and a second doped layer that is connected to a signal electrode disposed parallel to the excessive length unit.
-
52.发明公开公开(公告)号：US20230231632A1
公开(公告)日：2023-07-20
申请号：US18077829
申请日：2022-12-08
Applicant: FUJITSU OPTICAL COMPONENTS LIMITED
Inventor： Koji OTSUBO , Kazumasa TAKABAYASHI , Masaki SUGIYAMA , Shuntaro MAKINO
IPC: H04B10/69 , H04B10/50 , H04B10/516
CPC classification number: H04B10/69 , H04B10/503 , H04B10/5161 , H01S5/50
Abstract: An optical device includes an optical coupler that inputs an optical signal received from a light source, a semiconductor optical amplifier that amplifies the optical signal received from the optical coupler, and a light receiving element that receives spontaneous emission light received from the semiconductor optical amplifier. The optical coupler includes a first input port to which the optical signal received from the light source is input, a second input port that is connected to an input stage of the light receiving element and that is different from the first input, and an output port that is connected to an input stage of the semiconductor optical amplifier, and that outputs optical signal received from the first input port to the semiconductor optical amplifier. The light receiving element receives, via the output port and the second input port, spontaneous emission light received from the semiconductor optical amplifier.
-
公开(公告)号：US20230194801A1
公开(公告)日：2023-06-22
申请号：US18071994
申请日：2022-11-30
Applicant: FUJITSU OPTICAL COMPONENTS LIMITED
Inventor： Masaki SUGIYAMA
CPC classification number: G02B6/4206 , G02B6/43
Abstract: An optical device is formed on an optical integrated circuit (IC) chip. The optical device includes: an optical circuit, a first grating coupler, a second grating coupler, a first 1×2 coupler, and a second 1×2 coupler. The first 1×2 coupler is equipped with a first optical port provided at a single-port end and a second optical port and a third optical port provided at a two-port end. The second 1×2 coupler is equipped with a fourth optical port provided at a single-port end and a fifth optical port and a sixth optical port provided at a two-port end. The first grating coupler is coupled to the first optical port. The second optical port is coupled to the optical circuit. The third optical port is coupled to the fourth optical port. The fifth optical port is coupled to the second grating coupler.
-
公开(公告)号：US20230090619A1
公开(公告)日：2023-03-23
申请号：US17882147
申请日：2022-08-05
Applicant: FUJITSU OPTICAL COMPONENTS LIMITED
Inventor： Masaki SUGIYAMA
IPC: G02F1/01
Abstract: An optical device includes a substrate, a dielectric substance laminated on the substrate, an optical waveguide surrounded by the dielectric substance, a heater electrode that is disposed above the optical waveguide and that is surrounded by the dielectric substance, and a trench. The trench includes a plurality of split trenches each of which is formed in a hollow segmented shape in the dielectric substance and in which the split trenches are disposed in parallel with the heater electrode. The split trenches are disposed in parallel with the heater electrode such that an area of the dielectric substance located between an end of each of the split trenches and a side surface of the heater electrode is gradually expanded.
-
公开(公告)号：US20210270697A1
公开(公告)日：2021-09-02
申请号：US17128942
申请日：2020-12-21
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
Abstract: An optical device includes an optical circuit and a test circuit optically connected to the optical circuit. The test circuit includes a first grating coupler configured to receive test light, a second grating coupler configured to output, as reference light, the test light passed through the first grating coupler, and a first branch coupler connected to an output of the first grating coupler. The first branch coupler includes first output connected to an input of the optical circuit and configured to branch and output the test light from the first grating coupler to the optical circuit. Further, the first branch coupler includes a second output connected to an input of the second grating coupler and configured to branch and output the test light from the first grating coupler to the second grating coupler.
-
Patent Agency Ranking
公开(公告)号：US20190271896A1
公开(公告)日：2019-09-05
申请号：US16268768
申请日：2019-02-06
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
Abstract: An optical modulator has an optical input port and an optical output port provided on a same end of a substrate; an optical waveguide pair formed in the substrate and configured to form a Mach-Zehnder interferometer, one end of the optical waveguide pair being connected to the optical input port and the other end of the optical waveguide pair being connected to the optical output port, the optical waveguide pair having a bending part; a groove provided along the optical waveguide pair in the bending part; and a signal electrode that applies a high-frequency electrical signal to the optical waveguide pair, wherein the signal electrode has an expanded section having an increased cross sectional area at a section intersecting the groove.
-
公开(公告)号：US20190041581A1
公开(公告)日：2019-02-07
申请号：US16047498
申请日：2018-07-27
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
IPC: G02B6/293
Abstract: A tunable light source includes a light source; a wavelength selecting device that selects, according to a control signal, output light with a specific wavelength from light output from the light source; and a wavelength monitor including a wavelength filter including multiple output ports corresponding to filtering paths through which the output light passes, and a light-receiving device that is disposed to face one of the output ports and receives light output from the one of the output ports. The wavelength filter is configured such that a maximum quantity of the light output from the one of the output ports facing the light-receiving device becomes greater than a maximum quantity of light output from another one of the output ports.
-
公开(公告)号：US20170104542A1
公开(公告)日：2017-04-13
申请号：US15252447
申请日：2016-08-31
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
IPC: H04B10/50 , H04B10/516 , H05K1/02
CPC classification number: H04B10/501 , H04B10/516 , H05K1/0221 , H05K1/0228 , H05K1/0245 , H05K1/028 , H05K1/0281 , H05K3/363
Abstract: An optical module includes a substrate, a package, and a flexible substrate. The substrate is provided with an electrode. The package includes a housing fixed to the substrate, a receiving unit that optically demodulates a received optical signal to convert the optical signal into a reception electrical signal, an output terminal that is provided on a surface of the housing and outputs the reception electrical signal, an input terminal that is provided at a height from the substrate different from a height of the output terminal and receives a transmission electrical signal, and a transmitting unit that optically modulates the transmission electrical signal received from the input terminal and transmits an optical signal resulting from optical modulation. A flexible substrate has flexibility and includes a signal electrode that connects one of the output terminal and the input terminal to the electrode arranged on the substrate.
-
公开(公告)号：US20170038543A1
公开(公告)日：2017-02-09
申请号：US15178945
申请日：2016-06-10
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA
Abstract: An optical communication device includes a support substrate, an optical waveguide, and a detector. The optical waveguide includes a first cladding layer that is formed on the support substrate, and is composed of silicon oxide or a material containing silicon oxide; a second cladding layer formed on the first cladding layer; and a core that is formed within the second cladding layer or between the first cladding layer and the second cladding layer, and is composed of silicon or a silicon-containing material. The detector contacts a part of the core, and is adapted to detect an intensity of light propagating through the core.
Abstract translation: 光通信装置包括支撑基板，光波导和检测器。 光波导包括形成在支撑基板上的第一覆层，由氧化硅或含有氧化硅的材料构成; 形成在所述第一包层上的第二包层; 以及形成在所述第二包层或所述第一包层和所述第二包层之间的芯，并且由硅或含硅材料构成。 检测器接触芯的一部分，并且适于检测通过芯传播的光的强度。
-
公开(公告)号：US20170033884A1
公开(公告)日：2017-02-02
申请号：US15134622
申请日：2016-04-21
Applicant: Fujitsu Optical Components Limited
Inventor： Masaki SUGIYAMA , Takehito Tanaka
IPC: H04J14/06 , H04B10/532
CPC classification number: H04J14/06 , H04B10/2572 , H04B10/532
Abstract: An optical module has an optical modulator configured to perform phase modulation on each of divided light components of an input light and output at least two phase-modulated signal lights, a semiconductor optical amplifier configured to amplify the phased-modulated signal lights in a same polarization mode, and a polarization multiplexer configured to convert the amplified signal lights into two orthogonally polarized signal lights and multiplex the orthogonally polarized signal lights.
Abstract translation: 一种光学模块，具有：光调制器，被配置为对输入光的分光分量进行相位调制，并输出至少两个相位调制信号光;半导体光放大器，被配置为放大相位偏振的相位调制信号光 模式，以及偏振复用器，被配置为将放大的信号光转换成两个正交偏振信号光并将正交偏振信号光多路复用。
-
-
-
-
-
-
-
-
-
Search Results
65
records
(took 0.028 seconds)
