scholarly journals One-step achievement of robust multipartite Greenberger–Horne–Zeilinger state and controlled-phase gate via Rydberg interaction

2014 ◽  
Vol 31 (4) ◽  
pp. 827 ◽  
Author(s):  
Xiao-Qiang Shao ◽  
Tai-Yu Zheng ◽  
C. H. Oh ◽  
Shou Zhang
Keyword(s):  
One Step ◽  
Phase Gate ◽  
Controlled Phase Gate

One-step construction of the multiple-qubit Rydberg controlled-phase gate

2018 ◽  
Vol 98 (3) ◽  
Author(s):  
S. L. Su ◽  
H. Z. Shen ◽  
Erjun Liang ◽  
Shou Zhang
Keyword(s):  
One Step ◽  
Phase Gate ◽  
Controlled Phase Gate

ONE-STEP IMPLEMENTATION OF CONTROLLED PHASE GATES FOR THREE ATOMS TRAPPED IN SEPARATED CAVITIES

2012 ◽  
Vol 10 (04) ◽  
pp. 1250052
Author(s):  
DAO-MING LU ◽  
SHI-BIAO ZHENG
Keyword(s):  
Optical Fibers ◽  
Rabi Oscillation ◽  
Selective Excitation ◽  
Photon Exchange ◽  
Qubit System ◽  
One Step ◽  
Phase Gate ◽  
Controlled Phase Gate ◽  
Conditional Phase Shift ◽  
Conditional Phase

A scheme is proposed for implementing the controlled phase gate for three atoms trapped in separated cavities coupled by optical fibers. The energy-level distances of the qubit system become unequal as a consequence of the virtual photon exchange between the atomic qubits, which allows the selective excitation of the qubit system in the symmetric Dicke subspace. The conditional phase shift is produced after a single selective Rabi oscillation and the operation is insensitive to cavity loss and fiber decay.

scholarly journals One-step implementation of a multi-target-qubit controlled phase gate with cat-state qubits in circuit QED

2018 ◽  
Vol 14 (2) ◽  
Author(s):  
You-Ji Fan ◽  
Zhen-Fei Zheng ◽  
Yu Zhang ◽  
Dao-Ming Lu ◽  
Chui-Ping Yang
Keyword(s):  
Circuit Qed ◽  
One Step ◽  
Phase Gate ◽  
Controlled Phase Gate ◽  
Target Qubit

One-step implementation of a multi-target-qubit controlled phase gate in a multi-resonator circuit QED system

2018 ◽  
Vol 17 (9) ◽  
Author(s):  
Tong Liu ◽  
Bao-Qing Guo ◽  
Yang Zhang ◽  
Chang-Shui Yu ◽  
Wei-Ning Zhang
Keyword(s):  
Circuit Qed ◽  
One Step ◽  
Phase Gate ◽  
Controlled Phase Gate ◽  
Target Qubit
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