Chin. Phys. Lett.  2012, Vol. 29 Issue (8): 080301    DOI: 10.1088/0256-307X/29/8/080301
GENERAL |
Quantum Gate Implementations in the Separated Ion-Traps by Fast Laser Pulses
ZHANG Miao1, WEI Lian-Fu1,2,3**
1Quantum Optoelectronics Laboratory, School of Physics and Technology, Southwest Jiaotong University, Chengdu 610031
2State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510275
3State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050
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Abstract An approach is proposed to implement the universal quantum gates between the ions confined individually in the separated traps. Instead of the typical adiabatic operations, performed for manipulating the ion-ion coupling, here the switchable couplings between ions are implemented non-adiabatically by using the fast laser pulses. Consequently, the desirable quantum gates between the ions could be implemented by using only a series of laser pulses. The proposal may be conveniently generalized to the quantum computation with the scalable ion-traps.
Received: 22 December 2011      Published: 31 July 2012
PACS:  03.67.Lx (Quantum computation architectures and implementations)  
  42.50.Dv (Quantum state engineering and measurements)  
  37.10.Ty (Ion trapping)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/8/080301       OR      https://cpl.iphy.ac.cn/Y2012/V29/I8/080301
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