Photonic integrated circuit

Details Photonic integrated circuit Photonic integrated circuit

2007-07-03

2007-07-03

Bovernick, Rodney (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S039000, C359S326000

Reexamination Certificate

active

11142924

ABSTRACT:
A integrated optical circuit comprises an interferometer having a first optical path and a second optical path configured for regenerating an input signal entering the first path by interference at a first coupler between continuous wave (CW) signals from the two optical paths, and a third optical path configured such that a canceling signal passing therethrough cancels, at a second coupler, a traveling signal from the first arm. When the device is operated in a counter-propagative mode, the traveling signal is the CW signal from the first arm. When the device is operated in a co-propagative mode, the traveling signal is the input signal from the first arm.

REFERENCES:
patent: 5933554 (1999-08-01), Leuthold et al.
patent: 6208455 (2001-03-01), Ueno et al.
patent: 6775481 (2004-08-01), Janz et al.
patent: 2004/0001247 (2004-01-01), Nojima
patent: 2-93626 (1990-04-01), None
L. H. Spiekman et al. All-optical Mach-Zehnder wavelength converter with monolithically integrated DFB probe source. IEEE Photonics Technology Letters, 9(10), pp. 1349-1351, Oct. 1997.
J. Leuthold et al. All-optical Mach-Zehnder interferometer wavelength converters and switches with integrated data- and control-signal separation scheme. Journal of Lightwave Technology, 17(6), pp. 1056-1066, Jun. 1999.

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