发明名称 |
Hybrid optical add/drop multiplexing devices |
摘要 |
An optical component array that has essentially equal path loss for each channel routed through a switching node in a re-insertion configuration and the bypass channels. An array input carrying a plurality of optical channels is coupled to a first node input. Consistent, low transmission loss through a switching node is achieved by a single fiber-beam-fiber transition. The low transmission loss is summed with other array losses to be within 3 dB of the insertion loss of a bypass path. In a particular configuration, a routing array with three switching nodes is loss-balanced to the bypass path. In another embodiment, a multi-channel filter stub in the bypass path improves residual signal suppression when a node is switched to an add/drop configuration.
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申请公布号 |
US6792210(B1) |
申请公布日期 |
2004.09.14 |
申请号 |
US20000644417 |
申请日期 |
2000.08.23 |
申请人 |
OPTICAL COATING LABORATORY, INC. |
发明人 |
HALLOCK ROBERT W.;SCOBEY MICHAEL A. |
分类号 |
G02B6/34;G02B6/35;H04J14/02;H04Q11/00;(IPC1-7):H04J14/00 |
主分类号 |
G02B6/34 |
代理机构 |
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主权项 |
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地址 |
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