Lockheed Martin Corporation

Steven R Sakamoto

Ralph Spickermann

An all-optical, asynchronous binary storage cell implemented by optically induced total internal reflection cross-junction waveguide switches. The term 'all-optical' refers to directing of optical data signals as a result of optical control signal inputs without the need for conversion between optical and electrical domains. The binary cell is a building block for a programmable all-optical random access memory (AORAM) device. The AORAM device enables circuits and networks that require optical buffers.

Optical memory and logic using cross-switches

Optical apparatus and optical switching methods that provide optical high data rate switching at a wavelength or packet level using optical tone addressing. Optical signal routing is a result of optically induced total internal reflection at the intersection of an X-junction waveguide structure. The total internal reflection effect is controlled by a high intensity optical pump beam separate from the optical data signal. Total internal reflection may result from a free-carrier induced change in refractive index, which is a nonlinear effect found in common III-V semiconductors and selected polymers. Optical switching networks may be formed using cascaded pluralities of optical waveguide switches.

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Santa Clara, CA, United States of America

Steven R Sakamoto