Optical XOR logic gate

Details Optical XOR logic gate Optical XOR logic gate

2009-05-27

2011-10-04

Ullah, Akm (Department: 2874)

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

C385S014000

Reexamination Certificate

active

08031985

ABSTRACT:
An all-optical XOR logic gate. In one embodiment, a single photon absorption medium is used to provide enhanced optical response of a gate to an applied optical signal. The apparatus described uses at least two gate inputs and an optical modulation structure such as a Mach-Zehnder interferometer to perform logical XOR operations on an optical input signal using the gate inputs. The result of the XOR operation is provided as information in an optical output signal representative of the result of the XOR operation impressed on the optical input signal.

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patent: 2006/0056756 (2006-03-01), Uchida
patent: 2011/0057091 (2011-03-01), Hochberg et al.

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