公开(公告)号：KR1020040038001A

公开(公告)日：2004-05-08

申请号：KR1020020066859

申请日：2002-10-31

Applicant: 삼성전자주식회사

Inventor： 김성기 ,  황성택 ,  정지채 ,  이재훈 ,  오윤제

IPC: H04B10/50 ,  H04B10/516 ,  H04B10/2581

CPC classification number: H04B10/5055 ,  H04B10/25137 ,  H04B10/505 ,  H04B10/5051 ,  H04B10/5167

Abstract: PURPOSE: A duobinary optical transmission device is provided to generate a duobinary optical signal without using an electric low pass filter, in order to reduce an influence by transmission characteristics and improve sensitivity of a transmission receiver. CONSTITUTION: An LD(Laser Diode)(50) outputs a carrier. An NRZ(Non Return to Zero) optical signal generator(100) inputs an NRZ electric signal, and outputs an NRZ optical signal modulating the optical carrier according to the NRZ electric signal. A duobinary optical signal generator(200) inputs the NRZ electric signal, and modulates the NRZ optical signal into a duobinary signal according to the NRZ electric signal. The NRZ optical signal generator(100) comprises as follows. One pair of the first modulator driving amplifiers(110,111) amplify the NRZ electric signal, and output the amplified NRZ electric signal. An MZ(Mach-Zehnder) interferometer type optical intensity modulator(120) modulates intensity of the optical carrier.

Abstract translation: 目的：为了减少传输特性的影响并提高传输接收机的灵敏度，提供双二进制光传输装置以产生双二进制光信号而不使用电低通滤波器。 构成：LD（激光二极管）（50）输出一个载体​​。 NRZ（非归零）光信号发生器（100）输入NRZ电信号，并根据NRZ电信号输出调制光载波的NRZ光信号。 二进制光信号发生器（200）输入NRZ电信号，并根据NRZ电信号将NRZ光信号调制成二进制信号。 NRZ光信号发生器（100）包括如下。 一对第一调制器驱动放大器（110,111）放大NRZ电信号，并输出放大的NRZ电信号。 MZ（Mach-Zehnder）干涉仪型光强度调制器（120）调制光学载体的强度。

公开(公告)号：KR1019980006662A

公开(公告)日：1998-03-30

申请号：KR1019960025184

申请日：1996-06-28

Applicant: 삼성전자주식회사

Inventor： 김한생 ,  정지채

IPC: H01S3/10