All-optical phase, wavelength, and polarization-insensitive...

Details All-optical phase, wavelength, and polarization-insensitive... All-optical phase, wavelength, and polarization-insensitive...

2006-09-30

2008-10-07

Leung, Quyen P (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

Reexamination Certificate

active

07433561

ABSTRACT:
An all-optical device for wavelength conversion, reshaping, modulating, and regenerating. The device includes a splitting device having first, second, third, and fourth terminals and a nonlinear element. The third and fourth terminals are associated with an optical loop including the nonlinear element when the nonlinear element is displaced from the mid-point of the optical loop. The splitting device is arranged to receive a modulated signal from one of the first and second terminals and a continuous beam from one of the first and second terminals to generate a patterned signal based on the continuous beam at one of the first and second terminals when the pattern of the patterned signal is inverted with respect to the pattern of the modulated signal.

REFERENCES:
patent: 7068894 (2006-06-01), Prucnal
patent: 7123401 (2006-10-01), Shahar et al.
patent: 2007/0103684 (2007-05-01), Shahar

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