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11. 发明授权

US12072600B2 Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same 有权
公开(公告)号：US12072600B2
公开(公告)日：2024-08-27
申请号：US17852173
申请日：2022-06-28
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Hyun Soo Kim , Duk Jun Kim , Dong-Young Kim , Ho Sung Kim , Yongsoon Baek , Jang Uk Shin , Young-Tak Han , Won Seok Han
IPC分类号： G02F1/21 , G02B6/125 , G02F1/225
CPC分类号： G02F1/212 , G02F1/225 , G02B6/125
摘要： Disclosed are a Mach-Zehnder interferometric optical modulator and a method for manufacturing the same. The modulator includes first and second lower clad layers, a core layer, an upper clad layer, a waveguide, and electrodes. The waveguide may include an input waveguide, a waveguide divider, branch waveguides, and a waveguide combiner. Each of the branch waveguides includes first and second connection regions connected to the waveguide combiner and the waveguide divider, respectively, and a phase shift region having a cross-section of a reverse mesa structure that has an upper width that is the same as widths of the first and second connection regions and a lower width that is smaller than the widths of the first and second connection regions.

12. 发明授权

US11846584B2 Apparatus for detecting slurry spread volume using terahertz wave, spread system and detecting method using the same 有权
公开(公告)号：US11846584B2
公开(公告)日：2023-12-19
申请号：US17099907
申请日：2020-11-17
申请人： HYUNDAI MOTOR COMPANY , KIA MOTORS CORPORATION , ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Ha Seung Seong , Ho Jin Lee , Il Min Lee , Ki Won Moon , Eui Su Lee , Dong Woo Park , Jeong Woo Park , Kyung Hyun Park , Hyun Soo Kim
IPC分类号： G01N21/3581 , G01B11/06 , G01N23/223 , G01B21/04 , G01N21/84
CPC分类号： G01N21/3581 , G01B11/0616 , G01B21/042 , G01N21/8422 , G01N23/223 , G01B11/0691 , G01N2021/8427
摘要： A measurement apparatus for measuring a coating amount of a slurry according to the present disclosure includes a light emitter configured to irradiate terahertz wave onto a release paper coated with the slurry, a light receiver configured to receive the terahertz wave, which is irradiated from the light emitter and passes through the release paper coated with the slurry, to obtain a power of the terahertz wave, and a calculating part configured to calculate a thickness of an electrode, formed from the slurry applied to the release paper, based on the power of the terahertz wave received by the light receiver.

13. 发明授权

US09148227B2 Reflective colorless optical transmitter 有权
标题翻译：反光无色光发射机
公开(公告)号：US09148227B2
公开(公告)日：2015-09-29
申请号：US14258699
申请日：2014-04-22
申请人： Electronics and Telecommunications Research Institute
发明人： Hyun Soo Kim , Dong-Hun Lee , Mi-Ran Park , Byung-Seok Choi , Kisoo Kim , O-Kyun Kwon
IPC分类号： H04B10/00 , H04B10/50 , H04B10/516
CPC分类号： H04B10/501 , H04B10/2587 , H04B10/272 , H04B10/516
摘要： Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet.
摘要翻译：提供了一种反射无色光发射机，其接收作为连续波的载波信号，并输出调制的光信号。反射无色光发射机包括放大输入光信号以允许输入光信号具有增益的半导体光放大器（SOA），连接到SOA并输出调制光信号的光调制器，反映调制光的高反射面来自光调制器的信号，以及连接到高反射面的布拉格反射镜，光调制器和SOA串联，其中由布拉格反射镜和高反射面形成布拉格谐振器。

14. 发明授权

US08995480B2 Tunable laser module 有权
标题翻译：可调激光模块
公开(公告)号：US08995480B2
公开(公告)日：2015-03-31
申请号：US13676760
申请日：2012-11-14
申请人： Electronics and Telecommunications Research Institute
发明人： Ki-Hong Yoon , O-Kyun Kwon , Su Hwan Oh , Kisoo Kim , Byung-seok Choi , Hyun Soo Kim
IPC分类号： H01S3/10 , H01S5/14 , H01S3/1055 , H01S5/06 , H01S5/40
CPC分类号： H01S3/10 , H01S3/1055 , H01S5/0612 , H01S5/142 , H01S5/4006
摘要： The present disclosure relates to a tunable laser module including a light gain area unit for outputting an optical signal; an optical distributor for separating the optical signal output from the light gain area unit; two comb reflection units for reflecting a part of optical signals separated by the optical distributor and allow a part of the optical signals to penetrate; two phase units for changing phases of the optical signals penetrating the two comb reflection units; an optical coupler for combining the optical signals of which the phases are changed by the two phase units; and an optical amplifier for amplifying the optical signal combined by the optical coupler, wherein the light gain area unit oscillates a laser by totally reflecting the optical signals reflected by the two comb reflection units.
摘要翻译：本发明涉及一种包括用于输出光信号的光增益区单元的可调谐激光模块; 光分配器，用于分离从光增益区单元输出的光信号; 两个梳状反射单元，用于反射由光学分配器分离的光信号的一部分，并允许光信号的一部分穿透; 两相单元，用于改变穿过两个梳状反射单元的光信号的相位; 光耦合器，用于组合相位由两相单元改变的光信号; 以及光放大器，用于放大由光耦合器组合的光信号，其中光增益区单元通过全反射由两个梳状反射单元反射的光信号来振荡激光。

15. 发明授权

US08971710B2 Optical line terminal for bidirectional wavelength-division-multiplexing optical network 有权
标题翻译：用于双向波分复用光网络的光线路终端
公开(公告)号：US08971710B2
公开(公告)日：2015-03-03
申请号：US13739027
申请日：2013-01-11
申请人： Electronics and Telecommunications Research Institute
发明人： Jong Sool Jeong , Hyun Soo Kim , Byungseok Choi , Mi-Ran Park , O-Kyun Kwon
IPC分类号： H04B10/564 , H04B10/079 , H04J14/02
CPC分类号： H04J14/0221 , H04J14/0246 , H04J14/025 , H04J14/0258 , H04J14/0265 , H04J14/0276 , H04J14/0282
摘要： The present disclosure relates to an optical line terminal, the disclosure includes: an optical transmitter for generating a low speed downstream optical signal; a wavelength-multiplexer for wavelength-multiplexing the downstream optical signal; a first optical power branching tap coupler for allowing wavelength-multiplexed downstream optical signal to branch off; a wavelength band separator/coupler for separating between the wavelength-multiplexed downstream optical signal and a wavelength-multiplexed upstream optical signal; a circulation type wavelength-demultiplexer for wavelength-demultiplexing a downstream optical signal branched off by the first optical power branching tap coupler and an upstream optical signal separated by the wavelength band separator/coupler; an optical receiver for outputting a downstream electrical signal by using the wavelength-demultiplexed optical signal; and a signal processing module for controlling an optical power and a wavelength of the optical transmitter according to a strength of the downstream electrical signal.
摘要翻译：本发明涉及一种光线路终端，其公开内容包括：用于产生低速下行光信号的光发射机; 用于波长多路复用下行光信号的波长多路复用器; 用于允许波长多路复用的下行光信号分支的第一光功率分支抽头耦合器; 用于在波长多路复用的下行光信号和波长多路复用的上行光信号之间分离的波长带分离器/耦合器; 用于对由第一光功率分支耦合器分支的下行光信号进行波长解复用的循环型波长解复用器和由波段分离器/耦合器分离的上游光信号; 光接收器，用于通过使用波长解复用的光信号输出下游电信号; 以及信号处理模块，用于根据下游电信号的强度来控制光发射机的光功率和波长。

16. 发明授权

US08926198B2 Multi-channel optical receiving module 有权
标题翻译：多通道光接收模块
公开(公告)号：US08926198B2
公开(公告)日：2015-01-06
申请号：US13939317
申请日：2013-07-11
申请人： Electronics and Telecommunications Research Institute
发明人： Mi-Ran Park , Hyun Soo Kim , Jong Sool Jeong , O-Kyun Kwon
IPC分类号： G02B6/43 , H04B10/60
CPC分类号： H04B10/60 , G02B6/4214 , G02B6/4281 , H04B10/2504 , H04B10/40 , H04B10/50
摘要： A multi-channel optical receiving module includes a first substrate disposed on a bench, optical fibers disposed in grooves of the first substrate, a first lens disposed on the first substrate and collimating optical signals through the optical fibers, a second substrate disposed on the bench at a side of the first substrate, a light receiving device disposed on the second substrate, a second lens disposed over the light receiving device, a mirror reflecting the optical signals between the first lens and the second lens, and a block fixing the mirror. The block includes through-holes transmitting the optical signals between the first and second lenses without refraction of the optical signals.
摘要翻译：多通道光接收模块包括设置在工作台上的第一衬底，设置在第一衬底的凹槽中的光纤，设置在第一衬底上的第一透镜，以及通过光纤准直光信号;第二衬底，设置在台架上在第一基板的一侧，设置在第二基板上的光接收装置，设置在光接收装置上的第二透镜，反射第一透镜和第二透镜之间的光信号的反射镜和固定反射镜的块。该块包括在第一和第二透镜之间传输光信号而不折射光信号的通孔。

17. 发明授权

US08886036B2 Optical line terminal for monitoring and controlling upstream/downstream optical signals 有权
标题翻译：用于监视和控制上下游光信号的光线路终端
公开(公告)号：US08886036B2
公开(公告)日：2014-11-11
申请号：US13848222
申请日：2013-03-21
申请人： Electronics and Telecommunications Research Institute
发明人： Jong Sool Jeong , Hyun Soo Kim , Mi-Ran Park , Byungseok Choi , O-Kyun Kwon
IPC分类号： H04B10/08 , H04B10/07
CPC分类号： H04B10/0773 , H04B10/0775 , H04B2210/075 , H04J14/0276
摘要： Disclosed is an optical line terminal for monitoring and controlling upstream and downstream optical signals, and more particularly, to an optical line terminal for monitoring and controlling upstream and downstream optical signals, which adds different low frequency monitoring signals to upstream and downstream wavelength division multiplexing optical signals in a bidirectional wavelength division multiplexing (WDM) optical network and senses and detects low frequency components of upstream and downstream optical signals to unite, monitor, and control optical outputs and wavelengths of the upstream and downstream wavelength division multiplexing optical signals into a single system.
摘要翻译：公开了一种用于监视和控制上下游光信号的光线路终端，更具体地，涉及用于监视和控制上下游光信号的光线路终端，其将不同的低频监视信号添加到上行和下行波分复用光信号信号在双向波分复用（WDM）光网络中，并感测和检测上下游光信号的低频分量，以将上行和下行波分复用光信号的光输出和波长统一，监控和控制成单个系统。

18. 发明授权

US08849119B2 Wavelength-shifted bidirectional wavelength division multiplexing optical network 有权
标题翻译：波长双向波分复用光网络
公开(公告)号：US08849119B2
公开(公告)日：2014-09-30
申请号：US13674262
申请日：2012-11-12
申请人： Electronics and Telecommunications Research Institute
发明人： Jong Sool Jeong , Hyun Soo Kim , Mi-Ran Park , Byunseok Choi , O-Kyun Kwon
IPC分类号： H04J14/02
CPC分类号： H04J14/0282 , H04J14/0246 , H04J14/025 , H04J14/0265
摘要： Disclosed is a wavelength-shifted bidirectional WDM optical network including: an optical line terminal including an optical line terminal (OLT) including a first optical transmitter transmitting a downstream WDM optical signal, a first high-density wavelength multiplexer/demultiplexer wavelength-multiplexing the downstream WDM optical signal or wavelength-demultiplexing a wavelength-multiplexed upstream WDM optical signal, and a first optical receiver receiving the wavelength-demultiplexed upstream WDM optical signal; a remote node (RN) including a second high-density wavelength multiplexer/demultiplexer shifting a center wavelength of the upstream WDM optical signal and wavelength-multiplexing the upstream WDM optical signal with the shifted center wavelength or wavelength-demultiplexing the wavelength-multiplexed downstream WDM optical signal; and multiple optical network units (ONUs) each including a second optical transmitter transmitting the upstream WDM optical signal and second optical receiver receiving the wavelength-demultiplexed downstream WDM optical signal.
摘要翻译：公开了一种波长偏移的双向WDM光网络，包括：光线路终端，包括包括发送下行WDM光信号的第一光发射机的光线路终端（OLT），第一高密度波长多路复用器/解复用器，波分复用下行 WDM光信号或波长多路分解波分复用上游WDM光信号，以及第一光接收器，接收波长解复用的上行WDM光信号; 远程节点（RN），包括第二高密度波长多路复用器/解复用器，用于移位上行WDM光信号的中心波长，并以移位的中心波长波长多路复用上行WDM光信号，或波长多路复用波分复用下游WDM 光信号; 以及多个光网络单元（ONU），每个光网络单元（ONU）包括发送上行WDM光信号的第二光发射机和接收波长解复用的下行WDM光信号的第二光接收机。

19. 发明申请

US20140064306A1 COMPACT EXTERNAL CAVITY TUNABLE LASER APPARATUS 有权
标题翻译：紧凑的外部可控激光装置
公开(公告)号：US20140064306A1
公开(公告)日：2014-03-06
申请号：US13848247
申请日：2013-03-21
申请人： Electronics and Telecommunications Research Institute
发明人： Ki-Hong Yoon , O-Kyun Kwon , Kisoo Kim , Byungseok Choi , Hyun Soo Kim , Su Hwan Oh
IPC分类号： H01S3/10
CPC分类号： H01S3/10 , H01S3/10053 , H01S5/0085 , H01S5/02284 , H01S5/026 , H01S5/0265 , H01S5/141 , H01S5/142
摘要： The present disclosure relates to a compact external cavity tunable laser apparatus. The laser apparatus includes a substrate, an external cavity tunable reflecting unit that reflects laser light entering from the outside on the substrate and selects and varies a wavelength of the reflected laser light, an optical fiber that outputs the laser light on the substrate; and an highly integrated light source that integrates the laser light input from the external cavity tunable reflecting unit using inclined input and output waveguides, a curved waveguide, and a straight waveguide to output the integrated laser light to the optical fiber in order to match an optical axis formed with the external cavity tunable reflecting unit with an optical axis formed with an optical fiber.
摘要翻译：本公开涉及一种紧凑的外部可调谐激光装置。该激光装置包括：基板，外部可调谐反射部，其反射从基板外部进入的激光，并选择并改变反射的激光的波长;将激光输出到基板上的光纤; 以及高度集成的光源，其使用倾斜的输入和输出波导，弯曲波导和直波导将来自外部腔体可调谐反射单元的激光输入，以将集成的激光输出到光纤以匹配光学轴与外腔可调谐反射单元形成，光轴由光纤形成。

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