Quantum computation with linear optics

Michael J. Fitch; Michelle M. Donegan; Bryan Charles Jacobs; Todd B. Pittman; James D. Franson

doi:10.1117/12.488527

4 August 2003 Quantum computation with linear optics

Michael J. Fitch, Michelle M. Donegan, Bryan Charles Jacobs, Todd B. Pittman, James D. Franson

Proceedings Volume 5105, Quantum Information and Computation; (2003) https://doi.org/10.1117/12.488527
Event: AeroSense 2003, 2003, Orlando, Florida, United States

Abstract

Ever since Knill, Laflamme and Milburn [Nature (London) 409, 46 (2001)] showed that nondeterministic quantum logic operations could be performed with linear optical elements, additional photons (ancilla) and projective measurements, the idea of linear-optics quantum computation has attracted considerable interest. Our group has recently demonstrated several devices of this kind. We give an overview of recent experimental results, including the quantum parity check, the destructive controlled-NOT, and a cyclical quantum memory. The need for high-efficiency detection of single photons, and for detectors capable of distinguishing photon number will be discussed. Some experimental improvements towards meeting that need will be presented.

Citation Download Citation

Michael J. Fitch, Michelle M. Donegan, Bryan Charles Jacobs, Todd B. Pittman, and James D. Franson "Quantum computation with linear optics", Proc. SPIE 5105, Quantum Information and Computation, (4 August 2003); https://doi.org/10.1117/12.488527

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