Creation of entanglement and implementation of quantum logic gate operations using a three-dimensional photonic crystal single-mode cavity

被引：13
|
作者：
Guney, Durdu O.
Meyer, David A.
机构：
[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Dept Math, La Jolla, CA 92093 USA
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2007年 / 24卷 / 02期
关键词：
D O I：
10.1364/JOSAB.24.000283
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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); Ear. 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. (c) 2007 Optical Society of America.
引用
收藏
页码：283 / 294
页数：12
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