scholarly journals Dynamics of entanglement of two electron spins interacting with nuclear spin baths in quantum dots

2015 ◽  
Vol 91 (15) ◽  
Author(s):  
Igor Bragar ◽  
Łukasz Cywiński
Keyword(s):  
Quantum Dots ◽  
Nuclear Spin ◽  
Electron Spins

scholarly journals Quantum repeaters based on individual electron spins and nuclear-spin-ensemble memories in quantum dots

Quantum ◽  
2021 ◽  
Vol 5 ◽  
pp. 570
Author(s):  
Kenneth Sharman ◽  
Faezeh Kimiaee Asadi ◽  
Stephen C Wein ◽  
Christoph Simon
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Nuclear Spin ◽  
Entanglement Swapping ◽  
Electron Spins ◽  
Nuclear Spins ◽  
Quantum Repeater ◽  
Optical Microcavities ◽  
Long Term Storage ◽  
Recent Developments

Inspired by recent developments in the control and manipulation of quantum dot nuclear spins, which allow for the transfer of an electron spin state to the surrounding nuclear-spin ensemble for storage, we propose a quantum repeater scheme that combines individual quantum dot electron spins and nuclear-spin ensembles, which serve as spin-photon interfaces and quantum memories respectively. We consider the use of low-strain quantum dots embedded in high-cooperativity optical microcavities. Quantum dot nuclear-spin ensembles allow for the long-term storage of entangled states, and heralded entanglement swapping is performed using cavity-assisted gates. We highlight the advances in quantum dot technologies required to realize our quantum repeater scheme which promises the establishment of high-fidelity entanglement over long distances with a distribution rate exceeding that of the direct transmission of photons.

scholarly journals Dynamics of nuclear spin polarization induced and detected by coherently precessing electron spins in fluorine-doped ZnSe

2016 ◽  
Vol 93 (8) ◽  
Author(s):  
F. Heisterkamp ◽  
E. Kirstein ◽  
A. Greilich ◽  
E. A. Zhukov ◽  
T. Kazimierczuk ◽  
...  
Keyword(s):  
Spin Polarization ◽  
Nuclear Spin ◽  
Electron Spins ◽  
Nuclear Spin Polarization

scholarly journals Nuclear spin depolarization via slow spin diffusion in single InAlAs quantum dots observed by using erase-pump-probe technique

2012 ◽  
Vol 111 (10) ◽  
pp. 103531 ◽  
Author(s):  
S. Adachi ◽  
R. Kaji ◽  
S. Furukawa ◽  
Y. Yokoyama ◽  
S. Muto
Keyword(s):  
Quantum Dots ◽  
Nuclear Spin ◽  
Spin Diffusion ◽  
Pump Probe ◽  
Probe Technique ◽  
Spin Depolarization

scholarly journals Quantum Computing with Electron Spins in Quantum Dots

2004 ◽  
pp. 201-209
Author(s):  
L. M. K. Vandersypen ◽  
R. Hanson ◽  
L. H. van Willems Beveren ◽  
J. M. Elzerman ◽  
J. S. Greidanus ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Computing ◽  
Electron Spins

Resonant nuclear spin pumping in (In,Ga)As quantum dots

2011 ◽  
Vol 84 (4) ◽  
Author(s):  
R. V. Cherbunin ◽  
K. Flisinski ◽  
I. Ya. Gerlovin ◽  
I. V. Ignatiev ◽  
M. S. Kuznetsova ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Nuclear Spin ◽  
Spin Pumping

scholarly journals Adiabatic optical entanglement between electron spins in separate quantum dots

2008 ◽  
Vol 78 (23) ◽  
Author(s):  
S. K. Saikin ◽  
C. Emary ◽  
D. G. Steel ◽  
L. J. Sham
Keyword(s):  
Quantum Dots ◽  
Electron Spins
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