发明名称 |
Dual-side waveguide-based wavelength demultiplexer |
摘要 |
A demultiplexer is disclosed. The demultiplexer incorporates a reflective grating that is associated with a first waveguide through which a multiplexed optical signal may be transmitted. Individual wavelengths of light that have been reflected by the reflective grating are able to pass through a barrier layer which separates the first waveguide from a second waveguide. A plurality of photodetectors are associated with the second waveguide to read out the individual, wavelength-specific optical signals. The reflective grating is preferably formed on a surface of the first waveguide which projects away from the second waveguide, while the photodetectors are preferably formed at least in part by processing a surface of the second waveguide that projects away from the first waveguide. Both polarities of light are preferably accounted for/collected by the grating as well.
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申请公布号 |
US6704480(B2) |
申请公布日期 |
2004.03.09 |
申请号 |
US20030347642 |
申请日期 |
2003.01.21 |
申请人 |
LOCKHEED MARTIN CORPORATION |
发明人 |
WORCHESKY TERRANCE L.;WOOD LANCE A.;LIU FENG |
分类号 |
G02B6/12;G02B6/124;G02B6/34;(IPC1-7):G02B6/34;G02B6/293 |
主分类号 |
G02B6/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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