Tuning source for lightwave systems

Details Tuning source for lightwave systems Tuning source for lightwave systems

1997-06-30

2000-03-07

Hofsass, Jeffery A.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

385 24, H04J 1402

Patent

active

060347996

ABSTRACT:
Cost effectiveness and high system reliability are achieved in lightwave systems having at least one tunable sources connected to a network by incorporating a reference signal source within the network useful for tuning at least one tunable source to a predetermined wavelength. The reference signal source generates a signal in a central location within the network and distributes such signal throughout the network. This signal serves as a wavelength reference for tuning the tunable source to a desired wavelength. Transmission of the signal may occur continuously or intermittently. Such a signal may carry one or more wavelengths simultaneously. Alternatively, the reference signal can be generated by wavelength selective reflection of the signal generated by the tunable source.

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A. J. Keating and A. J. Lowery, "Wavelength Stabilization in WDM Packet-Switched Networks," Conf. on Optical Fiber Communicatinos, paper WR2, San Diego,CA, Feb., 1995 (Optical Society of America, Wash., D.C. 1995).

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