Multi-frequency light source

Details Multi-frequency light source Multi-frequency light source

H - Electricity

04

J

H04J 14/02 (2006.01) G02F 1/35 (2006.01) H01S 5/40 (2006.01) H04B 10/12 (2006.01) H04B 10/155 (2006.01)

Patent

CA 2379285

A multi-frequency light producing method and apparatus multiplies the number of optical channels present in an incident wavelength division multiplexed (WDM) signal light source by four-wave mixing (FWM) the WDM signal with at least one pump lightwave at least one time. By FWM the WDM light and a pump lightwave multiple times, wherein each FWM process is executed with a pump lightwave having a different frequency, either in series or parallel, the number of optical channels produced as a result of FWM effectively increases the number of optical channels present in addition to those from the WDM signal. The light producing method and apparatus can be employed in a telecommunications system as an inexpensive light source producing a plurality of optical frequencies.

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