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Proceedings Paper

Ultralow-loss optical quantum information processing in photonic bandgap devices
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Paper Abstract

We have demonstrated the coherent control of photonic bandgap (PBG) devices composed of a three-level atom embedded in three-dimensional PBG structures, which enables us to strongly suppress the loss of quantum information not only during its storage but also during its processing. We find that this ultralow-loss optical quantum information processing can be realized by generating the upper atomic level splitting inside the PBG and by tuning one of the split levels to a dark line in the emission spectrum (zeros in the spectrum at certain values of the emitted photon frequency). Furthermore, we show that the coherent control may provide a basis for the universal quantum logic gate operation in quantum computing.

Paper Details

Date Published: 15 May 2007
PDF: 8 pages
Proc. SPIE 6583, Photon Counting Applications, Quantum Optics, and Quantum Cryptography, 65830Q (15 May 2007); doi: 10.1117/12.722699
Show Author Affiliations
Hiroyuki Nihei, Health Sciences Univ. of Hokkaido (Japan)
Atsushi Okamoto, Hokkaido Univ. (Japan)

Published in SPIE Proceedings Vol. 6583:
Photon Counting Applications, Quantum Optics, and Quantum Cryptography
Miloslav Dusek; Ivan Prochazka; Mark S. Hillery; Alan L. Migdall; Wolfgang P. Schleich; Alexandre Pauchard, Editor(s)

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