Y-F Xiao et al 2008 New J. Phys. 10 123013 doi:10.1088/1367-2630/10/12/123013
Coupled quantum electrodynamics in photonic crystal cavities towards controlled phase gate operations
Y-F Xiao1,2,3, J Gao1, X-B Zou2, J F McMillan1, X Yang1, Y-L Chen2, Z-F Han2, G-C Guo2 and C W Wong1
Show affiliationsIn this paper, a scalable photonic crystal cavity array, in which single embedded quantum dots (QDs) are coherently interacting, is studied theoretically. Firstly, we examine the spectral character and optical delay brought about by the coupled cavities interacting with single QDs, in an optical analogue to electromagnetically induced transparency. Secondly, we then examine the usability of this coupled QD–cavity system for quantum phase gate operation and our numerical examples suggest that a two-qubit system with fidelity above 0.99 and photon loss below 0.04 is possible.
- PACS
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42.50.Pq Cavity quantum electrodynamics; micromasers
03.67.Lx Quantum computation architectures and implementations
- Subjects
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Optics, quantum optics and lasers
- Dates
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Issue 12 (December 2008)
Received 25 June 2008
Published 9 December 2008
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Coupled quantum electrodynamics in photonic crystal cavities towards controlled phase gate operations
Y-F Xiao et al 2008 New J. Phys. 10 123013
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