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公开(公告)号：US10754222B2
公开(公告)日：2020-08-25
申请号：US16190912
申请日：2018-11-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changgyun Shin , Dongjae Shin , Dongsik Shim , Changbum Lee
IPC: G02F1/295 , H01S5/14 , H01S5/06 , H01S5/40 , H01S3/10 , H01S5/00 , H01S5/02 , H01S3/063 , H01S5/026
Abstract: A light steering apparatus is provided including a tunable laser source and a system including the light steering apparatus. The light steering apparatus includes the tunable laser source and a steering device. A plurality of laser beams having optical coherence with each other and output from the tunable laser source are incident onto the steering device, and the steering device includes a plurality of modulation units for beam steering.
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公开(公告)号：US12013486B2
公开(公告)日：2024-06-18
申请号：US17400906
申请日：2021-08-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inoh Hwang , Dongjae Shin , Jungwoo Kim , Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/48 , G01S7/00 , G01S7/4865 , G01S17/06 , G01S17/10 , G01S17/89 , G02B26/10 , G02B27/00 , G02F1/01 , G02F1/29 , G11B7/2433
CPC classification number: G01S7/4808 , G01S7/003 , G01S7/4865 , G01S17/06 , G01S17/10 , G01S17/89 , G02B26/10 , G02B27/0087 , G02F1/0126 , G02F1/292 , G11B7/2433 , G02F2202/30 , G02F2203/50
Abstract: A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.
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公开(公告)号：US20230228938A1
公开(公告)日：2023-07-20
申请号：US18114772
申请日：2023-02-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Jinmyoung Kim , Changgyun Shin , Changbum Lee
CPC classification number: G02B6/12016 , G01S7/4818 , G01S17/88 , G02B2006/12035 , G02B2006/12157
Abstract: Provided is an optical isolator including a semiconductor substrate, an optical attenuator and an optical amplifier aligned with each other on the semiconductor substrate, an input optical waveguide connected to the optical attenuator, and an output optical waveguide connected to the optical amplifier, wherein a gain of the optical amplifier decreases based on an intensity of light incident on the optical amplifier increasing, wherein a first input light incident on the optical attenuator through the input optical waveguide is output as a first output light through the output optical waveguide, and a second input light incident on the optical amplifier through the output optical waveguide is output as a second output light through the input optical waveguide, and wherein when an intensity of the first input light and an intensity of the second input light are equal, an intensity of the first output light is greater than an intensity of the second output light.
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公开(公告)号：US11513226B2
公开(公告)日：2022-11-29
申请号：US16886180
申请日：2020-05-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Changgyun Shin , Bongyong Jang
IPC: G01S17/42 , G01S7/4865 , G01S17/26 , G01S17/931 , G01S17/00
Abstract: A light detection and ranging (LiDAR) apparatus capable of extracting speed information and distance information of objects in front thereof is provided. The LiDAR apparatus includes: a continuous wave light source configured to generate continuous wave light; a beam steering device configured to emit the continuous wave light to an object for a first time and stop emitting the continuous wave light to the object for a second time; a receiver configured to receive the continuous wave light that is reflected from the object to form a reception signal; and a signal processor configured to obtain distance information and speed information about the object based on the reception signal.
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公开(公告)号：US20210384693A1
公开(公告)日：2021-12-09
申请号：US17095435
申请日：2020-11-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Changgyun Shin
IPC: H01S3/067
Abstract: Provided is a tunable laser source including a plurality of optical waveguides, at least three optical resonators provided between the plurality of optical waveguides and optically coupled to the plurality of optical waveguides, the at least three optical resonators having different lengths, and at least one optical amplifier provided on at least one of the plurality of optical waveguides, wherein a ratio of a first length of a first optical resonator of the at least three optical resonators to a second length of a second optical resonator of the at least three optical resonators is not an integer.
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Patent Agency Ranking
公开(公告)号：US11119191B2
公开(公告)日：2021-09-14
申请号：US15861245
申请日：2018-01-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inoh Hwang , Dongjae Shin , Jungwoo Kim , Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/48 , G02F1/29 , G02B27/00 , G01S7/00 , G02B26/10 , G01S17/06 , G01S7/4865 , G01S17/10 , G11B7/2433 , G02F1/01 , G01S17/89
Abstract: A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.
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公开(公告)号：US10605901B2
公开(公告)日：2020-03-31
申请号：US15436111
申请日：2017-02-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Eunkyung Lee , Chilhee Chung , Jungwoo Kim , Dongjae Shin , Byounglyong Choi , Kyoungho Ha
Abstract: Beam steering devices and optical apparatuses including the beam steering devices are provided. A beam steering device includes a light source configured to generate input lights having first different wavelengths, a multiplexer configured to simultaneously receive the generated input lights, and multiplex the received input lights into a multiplexed light, and an optical splitter configured to split the multiplexed light. The beam steering device further includes an optical modulator configured to modulate the split light, and an emitter configured to simultaneously emit output lights having second different wavelengths to different points arranged in a first direction, based on the modulated light.
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公开(公告)号：US12153254B2
公开(公告)日：2024-11-26
申请号：US18114772
申请日：2023-02-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Jinmyoung Kim , Changgyun Shin , Changbum Lee
Abstract: Provided is an optical isolator including a semiconductor substrate, an optical attenuator and an optical amplifier aligned with each other on the semiconductor substrate, an input optical waveguide connected to the optical attenuator, and an output optical waveguide connected to the optical amplifier, wherein a gain of the optical amplifier decreases based on an intensity of light incident on the optical amplifier increasing, wherein a first input light incident on the optical attenuator through the input optical waveguide is output as a first output light through the output optical waveguide, and a second input light incident on the optical amplifier through the output optical waveguide is output as a second output light through the input optical waveguide, and wherein when an intensity of the first input light and an intensity of the second input light are equal, an intensity of the first output light is greater than an intensity of the second output light.
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公开(公告)号：US11927670B2
公开(公告)日：2024-03-12
申请号：US17976190
申请日：2022-10-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Changgyun Shin , Bongyong Jang
IPC: G01S17/42 , G01S7/4865 , G01S17/26 , G01S17/931 , G01S17/00
CPC classification number: G01S17/42 , G01S7/4865 , G01S17/26 , G01S17/931
Abstract: A light detection and ranging (LiDAR) apparatus capable of extracting speed information and distance information of objects in front thereof is provided. The LiDAR apparatus includes: a continuous wave light source configured to generate continuous wave light; a beam steering device configured to emit the continuous wave light to an object for a first time and stop emitting the continuous wave light to the object for a second time; a receiver configured to receive the continuous wave light that is reflected from the object to form a reception signal; and a signal processor configured to obtain distance information and speed information about the object based on the reception signal.
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公开(公告)号：US11630262B2
公开(公告)日：2023-04-18
申请号：US17357503
申请日：2021-06-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongjae Shin , Hyunil Byun , Jinmyoung Kim , Changgyun Shin , Changbum Lee
Abstract: Provided is an optical isolator including a semiconductor substrate, an optical attenuator and an optical amplifier aligned with each other on the semiconductor substrate, an input optical waveguide connected to the optical attenuator, and an output optical waveguide connected to the optical amplifier, wherein a gain of the optical amplifier decreases based on an intensity of light incident on the optical amplifier increasing, wherein a first input light incident on the optical attenuator through the input optical waveguide is output as a first output light through the output optical waveguide, and a second input light incident on the optical amplifier through the output optical waveguide is output as a second output light through the input optical waveguide, and wherein when an intensity of the first input light and an intensity of the second input light are equal, an intensity of the first output light is greater than an intensity of the second output light.
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