General purpose quantum computing

Details General purpose quantum computing General purpose quantum computing

1997-03-26

1999-08-17

Nguyen, Thong

Optical: systems and elements

Holographic system or element

Using modulated or plural reference beams

359107, 359577, 359900, G03H 112, G06E 113, G02B 2700

Patent

active

059401931

ABSTRACT:
Method and apparatus are provided for a general purpose photonic computer. A data signal is input through an encoder to encode such signal with an instruction. The encoded signal is transmitted by means of a laser beam to an input buffer where it interferes with a reference beam so as to form an interference pattern therein as a hologram, IPH. A read beam is directed through the IPH and through a decoder which reads the instruction as having, e.g. an OP Code, data source and destination. The decoded instruction is forwarded on the read beam to ALU spin media which respond to the instruction by flipping spins between two energy levels, in one or more sequences of data patterns which are read or measured by one or more sensors. Such sensors can be RF, microwave or optical sensors, which sensors output Radix=2 or digital data signals for, e.g. storage, display or further processing as desired. Thus the present invention teaches a novel exploitation of photon-induced, quantum-mechanical spin transitions in spin media. The input signal can be from a keyboard, camera, bar code or other input source.

REFERENCES:
patent: 5838436 (1998-11-01), Hotaling et al.
"Photo-Spin Interactions In Condensed Matter Photonic Systems: A Potential Foundation for Photonic Quantum Computing" pp. 34-45, by Steven P. Hotaling, Aug. 1996.
"Handbook of Electron Spin Resonance" edited by Charles P. Poole, Jr. et al. cover page only, 1994.

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