公开(公告)号：US06545784B2

公开(公告)日：2003-04-08

申请号：US09905066

申请日：2001-07-16

申请人： Kazue Okazaki ,  Hiroshi Onaka ,  Hideyuki Miyata ,  Yutaka Kai ,  Terumi Chikama

发明人： Kazue Okazaki ,  Hiroshi Onaka ,  Hideyuki Miyata ,  Yutaka Kai ,  Terumi Chikama

IPC分类号： H04J1402

CPC分类号： H04Q11/0005 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/021 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0217 ,  H04J14/0221 ,  H04M1/274558 ,  H04M1/274583 ,  H04M2250/60 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0024 ,  H04Q2011/0045 ,  H04Q2011/0049

摘要： M wavelength separating sections receive multiplexed optical signals each having N kinds of wavelengths different. Each of the multiplexed optical signals are separated into N optical signals. M relays conduct optical reproduction and relay to convert each of the N optical signals into electric signals and then produce optical signals modulated with desired optical wavelengths. A refill section mutually refills M sets of the reproduced and relayed optical signals. A focusing section focuses the M sets of optical signals refilled in the refill section. A light source supplies input lights having desired wavelengths, which lights are modulated in the relays. The light source includes N light sources outputting N kinds of optical wavelengths. A multiplexer/brancher multiplexes the lights from the N light sources to produce a multiplexed light and branches the multiplexed light into M×N distributed lights. M wavelength filters distribuitively receive N distributed lights of the M×N distributed lights.

摘要翻译： M个波长分离部分接收各自具有不同N种波长的复用光信号。 复用光信号中的每一个被分离为N个光信号。 M继电器进行光学再现和继电以将N个光信号中的每一个转换为电信号，然后产生用期望的光波长调制的光信号。 重新填充部分相互重新填充M组再现和中继的光信号。 聚焦部分将重新填充的M组光信号聚焦在再填充部分中。 光源提供具有期望波长的输入光，哪些光在继电器中被调制。 光源包括输出N种光波长的N个光源。 多路复用器/分路器复用来自N个光源的光，以产生多路复用的光，并将多路复用的光分支到MxN分布式光。 M波长滤波器分布式接收MxN分布式灯的N个分布式灯。

公开(公告)号：US06411411B1

公开(公告)日：2002-06-25

申请号：US09186151

申请日：1998-11-05

申请人： Kazue Okazaki ,  Terumi Chikama

发明人： Kazue Okazaki ,  Terumi Chikama

IPC分类号： H04J1402

CPC分类号： H04J14/0221 ,  H04J14/0209 ,  H04J14/0212

摘要： An optical wavelength selective control apparatus has a plurality of wavelength selective optical filters connected to one another to extract an optical signal at an arbitrary wavelength from wavelength division multiplexed signals according to a frequency signal for selecting a wavelength, and a frequency oscillator for outputting a signal at a frequency corresponding to a wavelength of the optical signal to be extracted to each of the wavelength selective optical filters as a frequency signal for selecting a wavelength, thereby performing a wavelength selecting process highly accurately with the wavelength selective optical filter.

摘要翻译： 光波长选择控制装置具有多个波长选择性滤光器，它们根据用于选择波长的频率信号从波分复用信号中提取任意波长的光信号，以及用于输出信号的频率振荡器 以对应于要提取到每个波长选择滤光器的光信号的波长的频率作为用于选择波长的频率信号，从而使用波长选择滤光器高精度地进行波长选择处理。

公开(公告)号：US06285479B1

公开(公告)日：2001-09-04

申请号：US09050105

申请日：1998-03-30

申请人： Kazue Okazaki ,  Hiroshi Onaka ,  Hideyuki Miyata ,  Yutaka Kai ,  Terumi Chikama

发明人： Kazue Okazaki ,  Hiroshi Onaka ,  Hideyuki Miyata ,  Yutaka Kai ,  Terumi Chikama

IPC分类号： H04J1402

CPC分类号： H04Q11/0005 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/021 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0217 ,  H04J14/0221 ,  H04M1/274558 ,  H04M1/274583 ,  H04M2250/60 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0024 ,  H04Q2011/0045 ,  H04Q2011/0049

摘要： The present invention relates to an optical cross connect unit comprising M wavelength separating sections for receiving multiplexed optical signals each having N kinds of wavelengths different from each other through M optical fibers, respectively, and for wavelength-separating each of the multiplexed optical signals into N optical signals, M optical reproduction relay sections each for conducting an optical reproduction and relay in a manner of making a conversion of each of the N optical signals, wavelength-separated in each of the wavelength separating sections, into an electric signal and then modulating it with a desired optical wavelength, a refill section for mutually refilling M sets of optical signals optically reproduced and relayed in the optical reproduction relay sections, a focusing section for focusing the M sets of optical signals refilled in the refill section, and a light source unit for supplying input lights having desired wavelengths to be modulated in the M optical reproduction relay sections. The light source unit includes N light sources for outputting lights having the N kinds of optical wavelengths, a multiplexing and branching section for multiplexing the lights from the N light sources to produce a multiplexed light having N kinds of optical wavelength components and further for branching the multiplexed light into M×N lights to output them as multiplexed and distributed lights, M wavelength filter sections for distributively receiving N multiplexed and distributed lights of the M×N multiplexed and distributed lights branched in the multiplexing and branching section to output N lights due to the passage of only arbitrary wavelengths of the N kinds of optical wavelengths, and a wavelength setting control section for setting optical wavelengths, which pass through the wavelength filter sections, so that they differ from each other. The N lights from each of the M wavelength filter sections are supplied as the input lights. In the case that many light sources are necessary for the modulation processing by modulators or the like, this optical cross connect unit is also suitable because of using given wavelengths from a small number of light sources for a lot of modulation processing.

公开(公告)号：US06252688B1

公开(公告)日：2001-06-26

申请号：US09438147

申请日：1999-11-10

申请人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

发明人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

IPC分类号： H04J1402

CPC分类号： G02B6/29377 ,  G02B6/4215 ,  H04B10/25133 ,  H04B10/2525 ,  H04B10/25253 ,  H04B10/255 ,  H04B10/2563 ,  H04B2210/252 ,  H04B2210/254 ,  H04B2210/258 ,  H04J14/02 ,  H04J14/0224

摘要： The invention provides an optical wavelength multiplex transmission method wherein a band in the proximity of a zero dispersion wavelength of an optical fiber is used and optical signals are disposed at efficient channel spacings taking an influence of the band, the wavelength dispersion and the four wave mixing into consideration to realize an optical communication system of an increased capacity which is not influenced by crosstalk by FWM. When optical signals of a plurality of channels having different wavelengths are to be multiplexed and transmitted using an optical fiber, a four wave mixing suppressing guard band of a predetermined bandwidth including the zero-dispersion wavelength &lgr;0 of the optical fiber is set, and signal light waves of the plurality of channels to be multiplexed are arranged on one of the shorter wavelength side and the longer wavelength side outside the guard band.

公开(公告)号：US06384943B2

公开(公告)日：2002-05-07

申请号：US09797866

申请日：2001-03-05

申请人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

发明人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

IPC分类号： H04J1402

CPC分类号： G02B6/29377 ,  G02B6/4215 ,  H04B10/25133 ,  H04B10/2525 ,  H04B10/25253 ,  H04B10/255 ,  H04B10/2563 ,  H04B2210/252 ,  H04B2210/254 ,  H04B2210/258 ,  H04J14/02 ,  H04J14/0224

摘要： An optical transmission system in which a wavelength-division-multiplexed (WDM) optical signal including a plurality of optical signals having different wavelengths is demultiplexed into first optical signals and second optical signals. The second optical signals have wavelengths longer than wavelengths of the first optical signals. A first dispersion compensator compensates dispersion of the first optical signals. A second dispersion compensator compensates dispersion of the second optical signals. The dispersion compensated first and second optical signals are then multiplied together.

摘要翻译： 一种光传输系统，其中包括具有不同波长的多个光信号的波分复用（WDM）光信号被解复用为第一光信号和第二光信号。 第二光信号具有比第一光信号的波长长的波长。 第一色散补偿器补偿第一光信号的色散。 第二色散补偿器补偿第二光信号的色散。 然后将色散补偿的第一和第二光信号相乘。

公开(公告)号：US06417945B2

公开(公告)日：2002-07-09

申请号：US09799639

申请日：2001-03-07

申请人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

发明人： George Ishikawa ,  Hideyuki Miyata ,  Hiroshi Onaka ,  Motoyoshi Sekiya ,  Kazue Okazaki

IPC分类号： H04J1402

CPC分类号： G02B6/29377 ,  G02B6/4215 ,  H04B10/25133 ,  H04B10/2525 ,  H04B10/25253 ,  H04B10/255 ,  H04B10/2563 ,  H04B2210/252 ,  H04B2210/254 ,  H04B2210/258 ,  H04J14/02 ,  H04J14/0224

摘要： An optical transmission system in which a wavelength-division-multplexed (WDM) optical signal including a plurality of optical signals having different wavelengths is demultiplexed into first optical signals and second optical signals. The second optical signals have wavelengths longer than wavelengths of the first optical signals. A first dispersion compensator compensates dispersion of the first optical signals. A second dispersion compensator compensates dispersion of the second optical signals. The dispersion compensated first and second optical signals are then multiplexed together.

摘要翻译： 一种光传输系统，其中包括具有不同波长的多个光信号的波分复用（WDM）光信号被解复用为第一光信号和第二光信号。 第二光信号具有比第一光信号的波长长的波长。 第一色散补偿器补偿第一光信号的色散。 第二色散补偿器补偿第二光信号的色散。 然后将色散补偿的第一和第二光信号复用在一起。