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1. 发明授权

US07167616B2 Grating-based wavelength selective switch 失效
标题翻译：基于光栅的波长选择开关
公开(公告)号：US07167616B2
公开(公告)日：2007-01-23
申请号：US10923369
申请日：2004-08-20
申请人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu , Yu Chen
发明人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu , Yu Chen
IPC分类号： G02B6/34
CPC分类号： G02B6/12007 , G02B6/124 , G02B6/125 , G02B6/29319 , G02B6/29323 , G02B2006/12097 , G02B2006/12145 , G02B2006/1215
摘要： The present invention is a wavelength-selective optical transmission system that includes a first waveguide for transmitting a multiplexed optical signal therethrough. The system further includes a second waveguide coupled to the first waveguide wherein a least one of the first and second waveguides have a set of wavelength-selective Bragg gratings disposed near a coupling section between the first and second waveguides to reflect a reflecting optical signal back to the first waveguide and for transmitting a contra-directional optical signal and a co-directional optical signal having respectively a contra-directional selected wavelength and a co-directional selected wavelength corresponding to the Bragg gratings. One of the contra-directional and co-directional wavelengths is chosen as a designated wavelength, and the reflecting optical signal and one of the contra-directional or co-directional optical signals are outside of a predefined range surrounding the designated wavelength.
摘要翻译：本发明是一种波长选择性光传输系统，其包括用于透过复用光信号的第一波导。该系统还包括耦合到第一波导的第二波导，其中第一和第二波导中的至少一个波导具有布置在第一和第二波导之间的耦合部分附近的一组波长选择布拉格光栅，以将反射光信号反射回第一波导和用于发送具有分别对应于布拉格光栅的反向选择波长和共同选择波长的双向光信号和同向光信号。选择反向和同向波长中的一个作为指定波长，并且反射光信号和反向光信号之一以及指向波长周围的预定范围之外。

2. 发明授权

US06973231B2 Waveguide grating-based wavelength selective switch actuated by thermal mechanism 失效
标题翻译：基于波导光栅的波长选择开关由热机构驱动
公开(公告)号：US06973231B2
公开(公告)日：2005-12-06
申请号：US10758661
申请日：2004-01-15
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： G02B6/12 , G02B6/124 , G02B6/28 , G02B6/34 , G02B6/35 , H04Q11/00
CPC分类号： G02B6/124 , G02B6/2852 , G02B6/3508 , G02B6/3536 , G02B6/3546 , G02B6/357 , G02B2006/12107 , H04Q11/0005 , H04Q2011/0049
摘要： A wavelength selective switch. The switch comprises an input waveguide for carrying an optical signal having a wavelength λi. Also included is an output waveguide having a Bragg grating adapted for coupling the wavelength λi into the output waveguide in a coupling zone. Finally, provided is a heater element that can selectively provide thermal energy to the coupling zone such that the Bragg grating does not couple the wavelength λi.
摘要翻译：波长选择开关。该开关包括用于承载具有波长λ1的光信号的输入波导。还包括一个具有布拉格光栅的输出波导，该布拉格光栅适于将波长λ1耦合到耦合区中的输出波导中。最后，提供了可以选择性地向耦合区域提供热能的加热器元件，使得布拉格光栅不耦合波长λλ。

3. 发明授权

US06628858B2 Waveguide Bragg-grating based all-optical wavelength-routing switch with wavelength conversion 失效
标题翻译：波导布拉格光栅全波长路由开关波长转换
公开(公告)号：US06628858B2
公开(公告)日：2003-09-30
申请号：US10326132
申请日：2002-12-19
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： G02B628
CPC分类号： G02B6/3508 , G02B6/12007 , G02B6/124 , G02B6/29313 , G02B6/3534 , G02B6/3536 , G02B6/356 , G02B6/3584 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0032 , H04Q2011/0058
摘要： An all-optical switch with wavelength conversion is disclosed. The optical switch comprises an input waveguide for carrying a multiplexed optical signal comprised of a plurality of wavelength channels. Further included is a demultiplexer for separating the multiplexed optical signal into the plurality of wavelength channels. The wavelength channels are then provided to a wavelength converter operative to convert the wavelength channels into a converted wavelength channel. The converted wavelength channels are input to a switch operative to switch the converted wavelength channels onto output waveguides.
摘要翻译：公开了具有波长转换的全光开关。光开关包括用于承载由多个波长通道组成的复用光信号的输入波导。还包括用于将复用的光信号分离成多个波长信道的解复用器。然后将波长通道提供给波长转换器，其可操作以将波长通道转换成转换的波长通道。经转换的波长通道被输入到操作以将转换的波长通道切换到输出波导上的开关。

4. 发明授权

US06608715B2 Wavelength converter using Bragg-grating 失效
公开(公告)号：US06608715B2
公开(公告)日：2003-08-19
申请号：US10256480
申请日：2002-09-26
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： G02F202
CPC分类号： G02B6/3508 , A61K31/40 , A61K31/44 , A61K31/63 , C07C311/39 , C07C311/49 , C07D209/14 , G02B6/12004 , G02B6/12007 , G02B6/124 , G02B6/125 , G02B6/2821 , G02B6/2852 , G02B6/3536 , G02B6/356 , G02B6/357 , G02B2006/12107 , G02B2006/12145 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0032 , H04Q2011/0058
摘要： A wavelength converter is disclosed. The converter comprises a broadband light source producing light having a plurality of wavelengths. Further, a semiconductor optical amplifier is provided that receives the light from the light source. The semiconductor optical amplifier amplifies the light under the control of a control signal related to an optical signal of a first wavelength. Next, a demultiplexer receives the output of the semiconductor optical amplifier and extracts from the amplified optical signal at least one of the plurality of wavelengths.

5. 发明授权

US07003190B2 Switching matrix configuration for reducing loss 失效
公开(公告)号：US07003190B2
公开(公告)日：2006-02-21
申请号：US10267447
申请日：2002-10-08
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： G02B6/35 , G02B6/293 , G02B6/34
CPC分类号： G02B6/124 , G02B6/2852 , G02B6/29319 , G02B6/3508 , G02B6/3536 , G02B6/3546 , G02B6/356 , G02B6/3596 , G02B2006/12107 , H04Q11/0005 , H04Q2011/0049
摘要： The present invention discloses a switching matrix configuration to reduce the optical propagation losses and coupling losses. The switching matrix comprises M horizontal waveguides interested with 2N vertical waveguides, where M and N are positive integers and the optical switching system is configured to receive a multiplexed input optical signal from a horizontal waveguide disposed next to an i-th horizontal waveguide where i is a closest integer to a positive real number M/2.

6. 发明授权

US06801690B1 Grating-based wavelength selective switch 失效
标题翻译：基于光栅的波长选择开关
公开(公告)号：US06801690B1
公开(公告)日：2004-10-05
申请号：US10780964
申请日：2004-02-18
申请人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu
发明人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu
IPC分类号： G02B634
CPC分类号： G02B6/12007 , G02B6/12002 , G02B6/12004 , G02B6/124 , G02B6/29323 , G02B6/29334 , G02B2006/121
摘要： This invention discloses an optical device that includes a wavelength-selective optical transmission system. The wavelength-selective optical transmission system further includes a first waveguide for transmitting a multiplexed optical signal therethrough. The wavelength-selective optical transmission system further includes a second waveguide coupled to the first waveguide wherein a least one of the first and second waveguides having a set of wavelength-selective Bragg gratings disposed near a coupling section between the first and second waveguides. One of the first and second waveguides has an aspect ratio, i.e., a ratio of a thickness divided by a width, is no greater than 0.75.
摘要翻译：本发明公开了一种包括波长选择性光传输系统的光学装置。波长选择性光传输系统还包括用于传输复用光信号的第一波导。波长选择性光传输系统还包括耦合到第一波导的第二波导，其中第一和第二波导中的至少一个具有设置在第一和第二波导之间的耦合部分附近的一组波长选择布拉格光栅。第一和第二波导中的一个具有纵横比，即厚度除以宽度的比率不大于0.75。

7. 发明授权

US06683711B2 Wavelength selective light source using Bragg-grating 失效
标题翻译：波长选择光源采用布拉格光栅
公开(公告)号：US06683711B2
公开(公告)日：2004-01-27
申请号：US10329035
申请日：2002-12-23
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： G02F202
CPC分类号： G02B6/3508 , G02B6/12004 , G02B6/12007 , G02B6/124 , G02B6/125 , G02B6/2852 , G02B6/29313 , G02B6/3534 , G02B6/3536 , G02B6/356 , G02B6/3584 , G02B2006/12107 , G02B2006/12145 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0032 , H04Q2011/0058
摘要： A wavelength selective light source is disclosed. The wavelength selective light source comprises a broadband light source producing light having a plurality of wavelengths and a demultiplexer that receives the light and separates at least one of the plurality of wavelengths from said light. Further, a multiplexer is included for coupling the at least one of said plurality of wavelengths into an output waveguide. Finally, a semiconductor optical amplifier is provided that receives the at least one of the plurality of wavelengths from the output waveguide and amplifies the at least one of the plurality of wavelengths.
摘要翻译：公开了一种波长选择光源。波长选择光源包括产生具有多个波长的光的宽带光源和接收光并从所述光中分离出多个波长中的至少一个的解复用器。此外，包括用于将所述多个波长中的至少一个波长耦合到输出波导中的多路复用器。最后，提供半导体光放大器，其从输出波导接收多个波长中的至少一个，并放大多个波长中的至少一个。

8. 发明申请

US20060039647A1 Grating-based wavelength selective switch 失效
标题翻译：基于光栅的波长选择开关
公开(公告)号：US20060039647A1
公开(公告)日：2006-02-23
申请号：US10923369
申请日：2004-08-20
申请人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu , Yu Chen
发明人： Peiching Ling , Wayne Lui , Jinliang Chen , Jianjun Zhang , Ming Xu , Yu Chen
IPC分类号： G02B6/28
CPC分类号： G02B6/12007 , G02B6/124 , G02B6/125 , G02B6/29319 , G02B6/29323 , G02B2006/12097 , G02B2006/12145 , G02B2006/1215
摘要： The present invention is a wavelength-selective optical transmission system that includes a first waveguide for transmitting a multiplexed optical signal therethrough. The system further includes a second waveguide coupled to the first waveguide wherein a least one of the first and second waveguides have a set of wavelength-selective Bragg gratings disposed near a coupling section between the first and second waveguides to reflect a reflecting optical signal back to the first waveguide and for transmitting a contra-directional optical signal and a co-directional optical signal having respectively a contra-directional selected wavelength and a co-directional selected wavelength corresponding to the Bragg gratings. One of the contra-directional and co-directional wavelengths is chosen as a designated wavelength, and the reflecting optical signal and one of the contra-directional or co-directional optical signals are outside of a predefined range surrounding the designated wavelength.
摘要翻译：本发明是一种波长选择性光传输系统，其包括用于传输多路复用光信号的第一波导。该系统还包括耦合到第一波导的第二波导，其中第一和第二波导中的至少一个波导具有布置在第一和第二波导之间的耦合部分附近的一组波长选择布拉格光栅，以将反射光信号反射回第一波导和用于发送具有分别对应于布拉格光栅的反向选择波长和共同选择波长的双向光信号和同向光信号。选择反向和同向波长中的一个作为指定波长，并且反射光信号和反向光信号之一以及指向波长周围的预定范围之外。

9. 发明授权

US06879754B2 Drop-before-add optical switching and routing system employing grating-based wavelength selective switches 失效
标题翻译：使用基于光栅的波长选择开关的增加后的光交换和路由系统
公开(公告)号：US06879754B2
公开(公告)日：2005-04-12
申请号：US10188955
申请日：2002-07-03
申请人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
发明人： Jianjun Zhang , Peiching Ling , Jinliang Chen , Ming Xu
IPC分类号： A61K31/40 , A61K31/44 , A61K31/63 , C07C311/39 , C07C311/49 , C07D209/14 , G02B6/12 , G02B6/124 , G02B6/125 , G02B6/34 , G02B6/35 , H04Q11/00
CPC分类号： G02B6/3536 , A61K31/40 , A61K31/44 , A61K31/63 , C07C311/39 , C07C311/49 , C07D209/14 , G02B6/12004 , G02B6/12007 , G02B6/124 , G02B6/125 , G02B6/29323 , G02B6/3502 , G02B6/355 , G02B6/3566 , G02B6/357 , G02B2006/12107 , G02B2006/12145 , H04Q11/0005 , H04Q2011/0016 , H04Q2011/0024 , H04Q2011/0032 , H04Q2011/0058
摘要： The present invention discloses a drop-before-add optical routing and switching system. The drop-before-add optical routing and switching system includes an input waveguide for carrying a multiplexed optical signal comprising optical signals transmitted over a plurality of wavelength channels represented by λ1, λ2, λ3, . . . , λN−1 and λN, where N is a positive integer wherein the input waveguide extending over a first direction. The drop-before-add optical routing and switching system further includes a plurality of second direction waveguides extending over a second direction and intersecting at N intersections with the input waveguide. The drop-before-add optical routing and switching system further includes a plurality of wavelength selective grating switches each disposed on one of the N intersections for selectively transmitting an optical signal of a selected wavelength into an associated one of the second direction waveguide.
摘要翻译：本发明公开了一种前置添加光路由和交换系统。后添加光路由和交换系统包括用于承载复用光信号的输入波导，该多路复用光信号包括由λ1，λ2，λ3表示的多个波长信道上发送的光信号。。。，λN-1和λN，其中N是正整数，其中输入波导在第一方向上延伸。后添加光路由和交换系统还包括多个第二方向波导，其在第二方向上延伸并且在与输入波导的N个交叉处相交。前置添加光路由和切换系统还包括多个波长选择性光栅开关，每个波长选择光栅开关各自设置在N个相交中的一个上，用于选择性地将所选波长的光信号传输到第二方向波导中的相关联的一个。

10. 发明申请

US20050265720A1 Wavelength division multiplexing add/drop system employing optical switches and interleavers 审中-公开
标题翻译：采用光开关和交织器的波分复用加/分系统
公开(公告)号：US20050265720A1
公开(公告)日：2005-12-01
申请号：US10857092
申请日：2004-05-28
申请人： Peiching Ling , Jianjun Zhang , Wayne Lui , Jinliang Chen , Ming Xu
发明人： Peiching Ling , Jianjun Zhang , Wayne Lui , Jinliang Chen , Ming Xu
IPC分类号： H04J14/02
CPC分类号： H04J14/0212 , H04J14/0208
摘要： An optical add/drop multiplexer (OADM) having reduced crosstalk is disclosed. The OADM uses an optical interleaver to separate channels of a wavelength division multiplexed signal into a plurality of branches. The branches then separately act on the widely spaced channels to add or drop channels. After the add/drop function is completed, the channels on the branches are recombined.
摘要翻译：公开了具有减小的串扰的光分插复用器（OADM）。 OADM使用光交织器将波分复用信号的信道分离成多个分支。分支然后分开地作用在间隔很宽的通道上以添加或删除通道。分插功能完成后，分支上的通道重新组合。

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