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1. 发明授权

US06888671B2 Optical amplifier device and bidirectional wavelength division multiplexing optical communication system using the same 失效
标题翻译：光放大器器件和双向波分复用光通信系统使用相同
公开(公告)号：US06888671B2
公开(公告)日：2005-05-03
申请号：US10047707
申请日：2002-01-15
申请人： Young-Hoon Joo , Seong-Taek Hwang , Seong-Ha Kim , Gyu-Woong Lee
发明人： Young-Hoon Joo , Seong-Taek Hwang , Seong-Ha Kim , Gyu-Woong Lee
IPC分类号： H01S3/06 , G02B6/293 , H01S3/067 , H04B10/00 , H04B10/2519 , H04B10/29 , H04B10/297 , H04J14/00 , H04J14/02 , H01S3/00
CPC分类号： H04B10/2971 , H04B10/25133
摘要： Disclosed is a bi-direcional wavelength-division multiplexing optical communication system including a first optical transmitter/receiver unit for transmitting a forward optical signal composed of a plurality of channels respectively allocated with wavelengths having a desired wavelength space while receiving a reverse optical signal composed of a plurality of channels respectively allocated with wavelengths each interleaved between associated ones of the wavelengths of the forward optical signal, a second optical transmitter/receiver unit for transmitting the reverse optical signal while receiving the forward optical signal, an optical fiber coupled between the first and second optical transmitter/receiver units, the optical fiber serving as a transmission medium for the forward and reverse optical signals, and an optical amplifier device arranged on the optical fiber and adapted to interleave the channels of the forward and reverse optical signals, bi-directionally received via the optical fiber, in accordance with the wavelengths of the channels, to amplify an interleaved optical signal generated in accordance with the interleaving operation, to split the amplified optical signal into the forward and reverse optical signals in accordance with wavelengths, and to bi-directionally transmit the split forward and reverse optical signals via the optical fiber.
摘要翻译：公开了一种双向波分多路复用光通信系统，包括：第一光发射机/接收机单元，用于发送由分别分配有具有期望波长空间的波长的多个信道组成的正向光信号，同时接收由分别分配有在前向光信号的相关联的波长之间交织的波长的多个信道，用于在接收正向光信号的同时发送反向光信号的第二光发送器/接收器单元，耦合在第一和第第二光发射机/接收机单元，用作正向和反向光信号的传输介质的光纤，以及布置在光纤上的光放大器装置，用于将正向和反向光信号的信道双向交织通过o接收根据信道的波长，放大根据交织操作产生的交错光信号，根据波长将放大的光信号分离成正向和反向光信号，并且双向传输通过光纤分离正向和反向光信号。

2. 发明授权

US06867912B2 Wide-band erbium-doped fiber amplifier and wavelength division multiplexing optical transmission system 失效
标题翻译：宽带掺铒光纤放大器和波分复用光传输系统
公开(公告)号：US06867912B2
公开(公告)日：2005-03-15
申请号：US10279528
申请日：2002-10-24
申请人： Seong-Taek Hwang , Young-Hoon Joo
发明人： Seong-Taek Hwang , Young-Hoon Joo
IPC分类号： H01S3/10 , G02B6/00 , H01S3/06 , H01S3/067 , H01S3/094 , H01S3/0941 , H01S3/00
CPC分类号： H04B10/291 , H01S3/067 , H04B2210/256 , H04B2210/258
摘要： An erbium-doped fiber amplifier and a wavelength division multiplexing optical transmission system equipped with the same are disclosed. The wavelength division multiplexing optical transmission system includes a transmission stage having a first C/L fiber amplifier for amplifying combined C and L-band optical signals, an optical repeater having at least one second C/L fiber amplifier for amplifying the optical signals transmitted from a single mode fiber of a predetermined length, and a dispersion compensating fiber of a predetermined length for compensating dispersions of the amplified optical signals. The system also includes a reception stage having a third C/L fiber amplifier for amplifying the optical signals transmitted from a single mode fiber of a predetermined length, and a receiver for separating the amplified optical signals from the third C/L fiber amplifier into C-band optical signals and L-band optical signals band by band and de-multiplexing the separated amplified optical signals.
摘要翻译：公开了掺铒光纤放大器和配备有掺铒光纤放大器的波分复用光传输系统。波分复用光传输系统包括具有用于放大组合C和L波段光信号的第一C / L光纤放大器的发射级，具有至少一个第二C / L光纤放大器的光中继器，用于放大从预定长度的单模光纤和预定长度的色散补偿光纤，用于补偿放大的光信号的分散。该系统还包括具有第三C / L光纤放大器的接收级，用于放大从预定长度的单模光纤传输的光信号，以及用于将放大的光信号与第三C / L光纤放大器分离成C 带式光信号和L波段光信号，并对分离的放大光信号进行解复用。

3. 发明授权

US06785043B2 Dispersion-compensated optical fiber amplifier 有权
标题翻译：色散补偿光纤放大器
公开(公告)号：US06785043B2
公开(公告)日：2004-08-31
申请号：US10236158
申请日：2002-09-06
申请人： Seong-Taek Hwang , Kwan-Woong Song , Sung-Tae Kim , Young-Hoon Joo , Sung-Jin Park
发明人： Seong-Taek Hwang , Kwan-Woong Song , Sung-Tae Kim , Young-Hoon Joo , Sung-Jin Park
IPC分类号： H01S300
CPC分类号： H01S3/06754 , H01S3/0057 , H01S3/0064 , H01S3/06758 , H01S3/094003
摘要： Disclosed is a dispersion-compensated optical-fiber amplifier including a circulator for outputting an optical signal received at a first terminal to a second terminal, while outputting an optical signal received at the second terminal to a third terminal; a first amplifier for amplifying the optical signal from the second terminal and an optical signal reapplied thereto; a dispersion-compensating fiber for compensating for a dispersion occurring in the optical signal received from the first amplifier and an optical signal reapplied thereto; a second amplifier for amplifying the optical signal from the dispersion-compensating fiber and an optical signal reapplied thereto; a splitter installed on the dispersion-compensating fiber and adapted to output to the dispersion-compensating fiber, an optical signal applied thereto and an optical signal reapplied thereto, while outputting a pumping light applied to one end thereof and adapted to pump both the first and second amplifiers to the other end thereof without allowing the pumping light to pass through the dispersion-compensating fiber; and, a reflector for reflecting back an optical signal from the second amplifier, so that the reflected optical signal is reapplied to the second amplifier, the splitter, the first amplifier, and the circulator, in this order.
摘要翻译：公开了一种色散补偿光纤放大器，包括：循环器，用于将在第一端子处接收的光信号输出到第二端子，同时将在第二端子接收的光信号输出到第三端子; 用于放大来自第二端子的光信号的第一放大器和重新施加到其上的光信号; 用于补偿从第一放大器接收的光信号中出现的色散的色散补偿光纤和重新施加于其上的光信号; 用于放大来自色散补偿光纤的光信号的第二放大器和重新应用于其的光信号; 分散器，其安装在色散补偿光纤上并且适于输出到色散补偿光纤，施加到色散补偿光纤的光信号和重新施加到其上的光信号，同时输出施加到色散补偿光纤的一端的泵浦光，并且适于泵浦第一和第二放大器到另一端，而不允许泵浦光通过色散补偿光纤; 以及用于反射来自第二放大器的光信号的反射器，使得反射的光信号按照该顺序重新施加到第二放大器，分路器，第一放大器和循环器。

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