发明名称 |
Wavelength division multiplexed optical communication system with rapidly-tunable optical filters |
摘要 |
The present invention provides a WDM optical system that includes a tunable filter for selecting one or more optical channels from a WDM optical signal. A portion of a WDM signal enters a first optical filter stage that exhibits a periodic transmission spectrum and possesses individually tunable filter elements. A second optical filter stage receives throughput from the first filter stage and has a periodic transmission spectrum and individually tunable filter elements. A controller electrically communicates with the optical filter to select individual optical channels from the portion of the wavelength division multiplexed optical signal received through the filter input port; each selected optical channel is output via a filter throughput port. In an exemplary embodiment, each tunable filter element is a micro-ring resonator and the micro-ring resonators in the first filter stage have a different free spectral range (FSR) than the micro-ring resonators of the second filter stage.
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申请公布号 |
US2007258714(A1) |
申请公布日期 |
2007.11.08 |
申请号 |
US20030337726 |
申请日期 |
2003.01.08 |
申请人 |
LITTLE BRENT E;JONECKIS LANCE G |
发明人 |
LITTLE BRENT E.;JONECKIS LANCE G. |
分类号 |
H04J14/02 |
主分类号 |
H04J14/02 |
代理机构 |
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代理人 |
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地址 |
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