Creation of entanglement and implementation of quantum logic gate operations using a three-dimensional photonic crystal single-mode cavity
JOSA B, Vol. 24, Issue 2, pp. 283-294 (2007)
http://dx.doi.org/10.1364/JOSAB.24.000283
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Abstract
We solve the Jaynes–Cummings Hamiltonian with time-dependent coupling parameters under the dipole and rotating-wave approximations for a three-dimensional photonic crystal (PC) single-mode cavity with a sufficiently high-quality Q factor. We then exploit the results to show how to create a maximally entangled state of two atoms and how to implement several quantum logic gates: a dual-rail Hadamard gate, a dual-rail NOT gate, and a SWAP gate. The atoms in all of these operations are syncronized, which is not the case in previous studies of PCs [ J. Mod. Opt. 48, 1495 (2001) ; Eur. Phys. J. D 10, 285 (2000) ; Eur. Phys. J. D 18, 247 (2002) ]. Our method has the potential for extension to N-atom entanglement, universal quantum logic operations, and the implementation of other useful, cavity QED-based quantum information processing tasks.
© 2007 Optical Society of America
OCIS Codes
(020.5580) Atomic and molecular physics : Quantum electrodynamics
(200.4660) Optics in computing : Optical logic
(220.4830) Optical design and fabrication : Systems design
(230.5750) Optical devices : Resonators
(270.5580) Quantum optics : Quantum electrodynamics
ToC Category:
Entanglement
History
Original Manuscript: April 28, 2006
Revised Manuscript: August 7, 2006
Manuscript Accepted: August 27, 2006
Published: January 26, 2007
Citation
Durdu Ö. Güney and David A. Meyer, "Creation of entanglement and implementation of quantum logic gate operations using a three-dimensional photonic crystal single-mode cavity," J. Opt. Soc. Am. B 24, 283-294 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-2-283
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