公开(公告)号：US20210385561A1

公开(公告)日：2021-12-09

申请号：US17338911

申请日：2021-06-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Oh Kee KWON

IPC: H04Q11/00 ,  H01Q3/30 ,  H04B10/556

Abstract: An optical beamforming device includes an RF front-end transmitting or receiving RF signals and an optical beamformer forming or compensating for a time delay for each of the plurality of channels based on the RF signals. The optical beamformer includes E/O converters converting the RF signals into optical signals, respectively, a linear modulator generating an optical modulation signal based on an RF input signal, a TTD array outputting an optical combined signal obtained by compensating for a time delay degree of the input optical signals or outputting output optical signals, in each of which a time delay is formed for each channel, by distributing the optical modulation signal, a photo detector generating an RF output signal to an RF back-end based on the optical combined signal, and O/E converters converting the output optical signals into RF signals, respectively.

公开(公告)号：US20160013621A1

公开(公告)日：2016-01-14

申请号：US14608385

申请日：2015-01-29

Applicant: Electronics and Telecommunications Research Institute

Inventor： Young Ahn LEEM ,  Kisoo KIM ,  Oh Kee KWON ,  Young-Tak Han

IPC: H01S5/40 ,  H01S5/12 ,  H01S5/028 ,  H01S5/343

CPC classification number: H01S5/2077 ,  H01S5/0287 ,  H01S5/1231 ,  H01S5/3434 ,  H01S5/4031

Abstract: Provided is a method of manufacturing a distributed feedback laser diode array (DFB-LDA) including: forming active layers corresponding to a plurality of channels using electron beam lithography; forming a plurality of mask patterns between the active layers; and growing the active layers using electron beam lithography, wherein the opening widths of the plurality of mask patterns corresponding to the plurality of channels are different from one another.

Abstract translation: 提供一种制造分布反馈激光二极管阵列（DFB-LDA）的方法，包括：使用电子束光刻形成对应于多个通道的有源层; 在有源层之间形成多个掩模图案; 以及使用电子束光刻技术生长所述有源层，其中对应于所述多个通道的所述多个掩模图案的开口宽度彼此不同。

公开(公告)号：US20150155428A1

公开(公告)日：2015-06-04

申请号：US14616149

申请日：2015-02-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： Su Hwan OH ,  Ki-Hong YOON ,  Kisoo KIM ,  O-Kyun KWON ,  Oh Kee KWON ,  Byung-Seok CHOI ,  Jongbae KIM

IPC: H01L33/00

CPC classification number: H01L33/005 ,  B82Y20/00 ,  G02B6/305 ,  G02B6/4206 ,  H01L33/0045 ,  H01L33/20 ,  H01L2933/0016 ,  H01L2933/0058 ,  H01S5/02216 ,  H01S5/02284 ,  H01S5/026 ,  H01S5/06226 ,  H01S5/101 ,  H01S5/1014 ,  H01S5/141 ,  H01S5/2213 ,  H01S5/2224 ,  H01S5/2231 ,  H01S5/34306 ,  H01S2301/176

Abstract: Provided are a high-speed superluminescent diode, a method of manufacturing the same, and a wavelength-tunable external cavity laser including the same. The superluminescent diode includes a substrate having an active region and an optical mode size conversion region, waveguides including an ridge waveguide in the active region and a deep ridge waveguide in the optical mode size conversion region connected to the active waveguide, an electrode disposed on the ridge waveguide; planarizing layers disposed on sides of the ridge waveguide and the deep ridge waveguide on the substrate, and a pad electrically connected to the electrode, the pad being disposed on the planarizing layers outside the active waveguide.

Abstract translation: 提供了一种高速超发光二极管，其制造方法，以及包括该发光二极管的波长可调谐外腔激光器。 超发光二极管包括具有有源区和光模尺寸转换区的衬底，在有源区中包括脊波导的波导和连接到有源波导的光模尺寸转换区中的深脊波导， 脊波导; 设置在脊波导的侧面上的平坦化层和基板上的深脊波导，以及与该电极电连接的焊盘，该焊盘设置在有源波导的外侧的平坦化层上。

公开(公告)号：US20150131687A1

公开(公告)日：2015-05-14

申请号：US14336504

申请日：2014-07-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Su Hwan OH ,  Oh Kee KWON

IPC: H01S3/04

CPC classification number: H01S5/02469 ,  G02B6/2804 ,  G02B6/4204 ,  G02B6/4269 ,  G02B6/4271 ,  H01S5/02212 ,  H01S5/02284 ,  H01S5/4012

Abstract: A laser module includes a Transmitter Optical Sub-Assembly (TOSA) and a heat radiating means. The TOSA generates light by an electrical signal and transmits the generated light through an optical fiber. The heat radiating means is in contact with the TOSA to discharge heat generated by the TOSA.

Abstract translation: 激光模块包括发射机光学子组件（TOSA）和散热装置。 TOSA通过电信号产生光，并通过光纤传输所产生的光。 散热装置与TOSA接触以排放TOSA产生的热量。

公开(公告)号：US20150002918A1

公开(公告)日：2015-01-01

申请号：US14148086

申请日：2014-01-06

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Oh Kee KWON ,  Chul-Wook LEE ,  Young-Tak HAN ,  Jang Uk SHIN ,  Minhyup SONG ,  Kwang Ryong OH

IPC: G02F1/35

CPC classification number: G02F1/3532 ,  H01S5/0687

Abstract: Provided are a wavelength swept source apparatus and a method for controlling thereof. According to the provided apparatus and method, single mode light is generated, a basic optical comb is generated by modulating the generated single mode light, and a plurality of optical combs having different a frequency band from that of the basic optical comb is generated by modulating the plurality of light rays. The plurality of light rays and light rays included in the plurality of optical combs are sequentially emitted according to frequencies of the plurality of light rays and the light rays included in the plurality of optical combs. A value of a control variable is adjusted based on a characteristic of the generated single mode light, the plurality of light rays, the light rays included in the plurality of optical combs, and the emitted light rays.

Abstract translation: 提供一种波长扫描源装置及其控制方法。 根据所提供的装置和方法，产生单模光，通过调制所生成的单模光产生基本光梳，并且通过调制产生具有与基本光梳不同频带的多个光梳 多个光线。 包含在多个光梳中的多个光线和光线依照多个光线的频率和多个光梳中包含的光线依次发射。 基于所生成的单模光，多个光线，包括在多个光梳中的光线和发射的光线的特性来调整控制变量的值。