公开(公告)号：US07174070B2

公开(公告)日：2007-02-06

申请号：US10883955

申请日：2004-07-01

Applicant: Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Kyung Hyun Park

Inventor： Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Kyung Hyun Park

IPC: G02B6/26

CPC classification number: H01S5/146 ,  G02B6/02195 ,  G02B6/2804 ,  G02B6/2813 ,  H01S5/0612 ,  H01S5/0623 ,  H01S5/1003 ,  H01S5/1096 ,  H01S5/141

Abstract: A light source has a structure in which a 3-dB beam splitter is integrated with a Febry-Perot laser diode having a cleaved plane. A first waveguide grating and a first refractive index modifier changing a Bragg wavelength of the first waveguide grating are provided at one branch of the 3-dB beam splitter. A second waveguide grating and a second refractive index modifier changing a Bragg wavelength of the second waveguide grating are provided at another branch of the 3-dB beam splitter.

Abstract translation: 光源具有其中3分贝分束器与具有劈开平面的Febry-Perot激光二极管集成的结构。 改变第一波导光栅的布拉格波长的第一波导光栅和第一折射率修正器设置在3-dB分束器的一个分支处。 改变第二波导光栅的布拉格波长的第二波导光栅和第二折射率修正器设置在3-dB分束器的另一分支处。

公开(公告)号：US07489873B2

公开(公告)日：2009-02-10

申请号：US11284632

申请日：2005-11-22

Applicant: Young Ahn Leem ,  Dae Su Yee ,  Eun Deok Sim ,  Dong Churl Kim ,  Kyung Hyun Park

Inventor： Young Ahn Leem ,  Dae Su Yee ,  Eun Deok Sim ,  Dong Churl Kim ,  Kyung Hyun Park

IPC: H04B10/17

CPC classification number: H04B10/299 ,  H01S5/02248 ,  H01S5/4006

Abstract: The 3R regeneration system for a retiming, reshaping, and reamplifying an optical signal includes: first and second input ports in which a connected optical signal is input; an interferometer including first and second branches formed on a substrate, split at a common input node, combined at a common output node, semiconductor optical amplifiers in each of the first and second branches, the first branch being connected to the first input port, and the common input node being connected to the second input port; a self-pulsating laser diode monolithically integrated with the interferometer between one of the first input port and the first branch, and the second input port and the common input node on the substrate, receiving an optical signal, and outputting the optical signal regenerated by optical injection locking; and an output port connected to the common output node.

Abstract translation: 用于重新定标和重新放大光信号的3R再生系统包括：输入连接的光信号的第一和第二输入端口; 干涉仪，包括形成在基板上的第一和第二分支，在公共输入节点处分开，在公共输出节点处组合，第一和第二分支中的每一个中的半导体光放大器，第一分支连接到第一输入端口，以及 所述公共输入节点连接到所述第二输入端口; 在第一输入端口和第一分支之间与干涉仪单片集成的自脉动激光二极管，以及基板上的第二输入端口和公共输入节点，接收光信号，并输出由光学信号再生的光信号 注射锁定 以及连接到公共输出节点的输出端口。

公开(公告)号：US20050276614A1

公开(公告)日：2005-12-15

申请号：US11190755

申请日：2005-07-27

Applicant: Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

Inventor： Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

IPC: H04B10/02 ,  H04B10/155

CPC classification number: H04B10/516 ,  H04B2210/517

Abstract: Provided is a signal processor for converting a signal that converts a return to zero (RZ) signal into a non-return to zero (NRZ) signal, in which two 2R (re-amplifying, re-shaping) regenerators are connected in parallel between an input waveguide and an output waveguide with different lengths from each other. The 2R regenerator includes: two semiconductor optical amplifiers having different lengths from each other; and phase control means connected to a short semiconductor optical amplifier. The RZ signal input by a length difference of the waveguide is delayed by a time difference of a half of one bit so that the 2R regenerated NRZ signal can be obtained.

Abstract translation: 提供了一种信号处理器，用于转换将归零（RZ）信号转换为不归零（NRZ）信号的信号，其中两个2R（再放大，重整）再生器并联连接在 具有彼此不同长度的输入波导和输出波导。 2R再生器包括：具有彼此不同长度的两个半导体光放大器; 以及连接到短半导体光放大器的相位控制装置。 通过波导的长度差输入的RZ信号被延迟了一位的一半的时间差，从而可以获得2R再生的NRZ信号。

公开(公告)号：US07583868B2

公开(公告)日：2009-09-01

申请号：US11295414

申请日：2005-12-06

Applicant: Dae Su Yee ,  Young Ahn Leem ,  Dong Churl Kim ,  Kyung Hyun Park ,  Sung Bock Kim

Inventor： Dae Su Yee ,  Young Ahn Leem ,  Dong Churl Kim ,  Kyung Hyun Park ,  Sung Bock Kim

IPC: G02B6/12 ,  G02B6/26 ,  G02F1/01 ,  G02F1/035 ,  G02F1/295

CPC classification number: H04B10/299 ,  G02B6/12004

Abstract: A full 3R (re-timing, re-shaping, re-amplifying) recovery system is provided. In the full 3R recovery system, a self-pulsating laser diode (SP-LD) and an electroabsorption modulator (EAM) are integrated and disposed on a semiconductor substrate.

Abstract translation: 提供了一个完整的3R（重新定时，重新整形，再放大）恢复系统。 在完整的3R恢复系统中，自脉冲激光二极管（SP-LD）和电吸收调制器（EAM）被集成并设置在半导体衬底上。

公开(公告)号：US07356263B2

公开(公告)日：2008-04-08

申请号：US11190755

申请日：2005-07-27

Applicant: Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

Inventor： Dong Churl Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

IPC: H04B10/02

CPC classification number: H04B10/516 ,  H04B2210/517

Abstract: Provided is a signal processor for converting a signal that converts a return to zero (RZ) signal into a non-return to zero (NRZ) signal, in which two 2R (re-amplifying, re-shaping) regenerators are connected in parallel between an input waveguide and an output waveguide with different lengths from each other. The 2R regenerator includes: two semiconductor optical amplifiers having different lengths from each other; and phase control means connected to a short semiconductor optical amplifier. The RZ signal input by a length difference of the waveguide is delayed by a time difference of a half of one bit so that the 2R regenerated NRZ signal can be obtained.

Abstract translation: 提供了一种信号处理器，用于转换将归零（RZ）信号转换为不归零（NRZ）信号的信号，其中两个2R（再放大，重整）再生器并联连接在 具有彼此不同长度的输入波导和输出波导。 2R再生器包括：具有彼此不同长度的两个半导体光放大器; 以及连接到短半导体光放大器的相位控制装置。 通过波导的长度差输入的RZ信号被延迟了一位的一半的时间差，从而可以获得2R再生的NRZ信号。

公开(公告)号：US20060078253A1

公开(公告)日：2006-04-13

申请号：US11284632

申请日：2005-11-22

Applicant: Young Ahn Leem ,  Dae Su Yee ,  Eun Deok Sim ,  Dong Churl Kim ,  Kyung Hyun Park

Inventor： Young Ahn Leem ,  Dae Su Yee ,  Eun Deok Sim ,  Dong Churl Kim ,  Kyung Hyun Park

IPC: G02B6/28

CPC classification number: H04B10/299 ,  H01S5/02248 ,  H01S5/4006

Abstract: The 3R regeneration system for a retiming, reshaping, and reamplifying an optical signal includes: first and second input ports in which a connected optical signal is input; an interferometer including first and second branches formed on a substrate, split at a common input node, combined at a common output node, semiconductor optical amplifiers in each of the first and second branches, the first branch being connected to the first input port, and the common input node being connected to the second input port; a self-pulsating laser diode monolithically integrated with the interferometer between one of the first input port and the first branch, and the second input port and the common input node on the substrate, receiving an optical signal, and outputting the optical signal regenerated by optical injection locking; and an output port connected to the common output node.

公开(公告)号：US20060092502A1

公开(公告)日：2006-05-04

申请号：US11288008

申请日：2005-11-28

Applicant: Dong Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

Inventor： Dong Kim ,  Dae Su Yee ,  Young Ahn Leem ,  Eun Deok Sim ,  Kyung Hyun Park

IPC: H01S3/00

CPC classification number: H04B10/299 ,  G02F2001/211 ,  G02F2203/70

Abstract: Provided is a signal regenerator for correcting distortion of an optical signal transmitted via an optical fiber in an optical communication system, which includes semiconductor optical amplifiers having different lengths from each other, an asymmetric Mach-Zehnder interferometer that performs 2R (re-amplifying, re-shaping) regeneration, and a delay interferometer with optical waveguides having different lengths from each other, whereby the fabrication is easy and a high-speed signal regeneration is enable.

Abstract translation: 提供了一种用于校正光通信系统中经由光纤传输的光信号的失真的信号再生器，该光通信系统包括彼此不同长度的半导体光放大器，执行2R（再放大，重新）的非对称马赫 - 曾德干涉仪 成形）再生，以及具有彼此具有不同长度的光波导的延迟干涉仪，由此易于制造并且能够进行高速信号再生。