Method and apparatus for an optical multiplexer and demultiplexer with an optical processing loop

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	Method and apparatus for an optical multiplexer and demultiplexer with an optical processing loop
其他题名	Method and apparatus for an optical multiplexer and demultiplexer with an optical processing loop
	XIE, PING; BETTMAN, R., BRAD; RONG, HAISHENG; ZHANG, KEVIN; MAO, YALAN; WANG, WEI; WU, SIMON, Y.
	2003-12-24
专利权人	FINISAR CORPORATION
公开日期	2003-12-24
授权国家	世界知识产权组织
专利类型	发明申请
摘要	An optical device that can be used in a range of telecommunications applications including optical multiplexers/demultiplexers and optical routers. The optical device includes an optical processing loop which allows mufti-stage performance characteristics to be achieved with a single physical filtration stage. Optical processing on the first leg and second legs of the loop is asymmetrical thereby improving the integrity of the optical signals by effecting complementary chromatic dispersion on the first and second legs. In an embodiment of the invention the optical device includes a fundamental filter cell, a retro reflector and a sputter/combiner. The fundamental filter cell filters optical signals propagating on each of two legs of an optical loop which intersects the fundamental filter cell. The fundamental filter cell operates as a full waveplate to the odd set of channels and a half waveplate to the even set of channels on a selected one of the two legs and as a half waveplate to the odd set of channels and a full waveplate to the even set of channels on a remaining one of the two legs. The retro reflector optically couples with the fundamental filter cell to reflect the optical signals from one of the two legs to an other of the two legs to form the optical loop. The sputter/combiner optically couples between the fundamental filter cell and the retro reflector to split or combine the odd set of channels and the even set of channels depending on the propagation direction of the optical signals along the optical loop.
其他摘要	一种光学设备，可用于各种电信应用，包括光复用器/解复用器和光路由器。该光学装置包括光学处理环路，该光学处理环路允许通过单个物理过滤阶段实现多级性能特性。环的第一腿和第二腿上的光学处理是不对称的，从而通过在第一和第二腿上实现互补的色散来改善光信号的完整性。在本发明的一个实施例中，光学装置包括基本滤波器单元，逆反射器和溅射/组合器。基本滤波器单元过滤在与基本滤波器单元相交的光学环路的两个支路中的每一个上传播的光学信号。基本滤波器单元作为奇数通道组的全波片工作，半波片作为两条腿中选定的一条通道上的偶数通道组，作为奇数通道组的半波片和完整的波形板甚至在两条腿中的剩余一条腿上设置通道。后向反射器与基本滤波器单元光学耦合，以将来自两个支路之一的光信号反射到两个支路中的另一个，以形成光学环路。溅射/组合器在基本滤波器单元和逆反射器之间光学耦合，以根据光学信号沿光学环路的传播方向分离或组合奇数组通道和偶数组通道。
主权项	An optical device for processing optical signals which include an odd set of channels and an even set of channels, and the optical device comprising: a fundamental filter cell for filtering optical signals propagating on each of two legs of an optical loop which intersects the fundamental filter cell and the fundamental filter cell operating as a full waveplate to the odd set of channels and a half waveplate to the even set of channels on a selected one of the two legs and as a half waveplate to the odd set of channels and a full waveplate to the even set of channels on a remaining one of the two legs; a retro reflector optically coupled with the fundamental filter cell to reflect the optical signals from one of the two legs to an other of the two legs to form the optical loop; and a splitter/combiner optically coupled between the fundamental filter cell and the retro reflector to split or combine the odd set of channels and the even set of channels depending on the propagation direction of the optical signals along the optical loop.
申请日期	2003-06-12
专利号	WO2003107044A2
专利状态	未确认
申请号	PCT/US2003/018779
公开（公告）号	WO2003107044A2
IPC 分类号	G02B6/34 \| H04J14/02 \| H04Q11/00 \| G02B
专利代理人	ISRAELSEN, R., BURNS
代理机构	-
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/53041
专题	半导体激光器专利数据库
作者单位	FINISAR CORPORATION
推荐引用方式 GB/T 7714	XIE, PING,BETTMAN, R., BRAD,RONG, HAISHENG,et al. Method and apparatus for an optical multiplexer and demultiplexer with an optical processing loop. WO2003107044A2[P]. 2003-12-24.

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