scholarly journals Phase readout of a charge qubit capacitively coupled to an open double quantum dot

2010 ◽  
Vol 81 (12) ◽  
Author(s):  
Christoph Kreisbeck ◽  
Franz J. Kaiser ◽  
Sigmund Kohler
Keyword(s):  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Capacitively Coupled ◽  
Double Quantum Dot ◽  
A Charge

INTRINSIC AND EXTRINSIC DECOHERENCE FOR CHARGE QUBIT DYNAMICS IN A DOUBLE QUANTUM DOT

2014 ◽  
Vol 28 (02) ◽  
pp. 1450014
Author(s):  
LI WANG ◽  
TAO TU ◽  
GUO-PING GUO ◽  
GUANG-CAN GUO
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Semiconductor Quantum Dot ◽  
Double Quantum Dot ◽  
Crucial Difference ◽  
A Charge ◽  
Environment Noise

In this paper, we investigate different decoherence sources with a charge qubit in a semiconductor quantum dot device. We distinguish between the intrinsic qubit population leakage and extrinsic environment noise, through a crucial difference in their signatures on the dynamics of the qubit. The results demonstrated here could help to develop unified understanding of decoherence mechanism in quantum dots and allow us to design suitable protocols for control and measurement.

Rotation and phase-shift operations for a charge qubit in a double quantum dot

2004 ◽  
Vol 21 (2-4) ◽  
pp. 1046-1052 ◽  
Author(s):  
Toshimasa Fujisawa ◽  
Toshiaki Hayashi ◽  
H.D Cheong ◽  
Y.H Jeong ◽  
Yoshiro Hirayama
Keyword(s):  
Phase Shift ◽  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Double Quantum Dot ◽  
A Charge

scholarly journals Dynamics of a Charge Qubit Encoded in a Double Quantum Dot

2018 ◽  
Vol 133 (3) ◽  
pp. 748-750
Author(s):  
J. Łuczak ◽  
B.R. Bułka
Keyword(s):  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Double Quantum Dot ◽  
A Charge

scholarly journals Optimal control of a charge qubit in a double quantum dot with a Coulomb impurity

2017 ◽  
Vol 86 ◽  
pp. 36-43 ◽  
Author(s):  
Diego S. Acosta Coden ◽  
Rodolfo H. Romero ◽  
Alejandro Ferrón ◽  
Sergio S. Gomez
Keyword(s):  
Optimal Control ◽  
Quantum Dot ◽  
Double Quantum ◽  
Charge Qubit ◽  
Double Quantum Dot ◽  
A Charge

Single-electron charge qubit in a double quantum dot

2006 ◽  
pp. 279-287 ◽  
Author(s):  
Toshimasa Fujisawa ◽  
Toshiaki Hayashi ◽  
Sung Woo Jung ◽  
Yoon-Ha Jeong ◽  
Yoshiro Hirayama
Keyword(s):  
Quantum Dot ◽  
Single Electron ◽  
Double Quantum ◽  
Electron Charge ◽  
Charge Qubit ◽  
Double Quantum Dot
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