scholarly journals Photon-number-dependent effective Lamb shift

2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Arto Viitanen ◽  
Matti Silveri ◽  
Máté Jenei ◽  
Vasilii Sevriuk ◽  
Kuan Y. Tan ◽  
...  
Keyword(s):  
Lamb Shift ◽  
Photon Number

Measurement of the Lamb shift in the hydrogen atom

1982 ◽  
Vol 138 (10) ◽  
pp. 347 ◽  
Author(s):  
Yurii L. Sokolov ◽  
V.P. Yakovlev
Keyword(s):  
Hydrogen Atom ◽  
Lamb Shift

scholarly journals Probing higher order correlations of the photon field with photon number resolving avalanche photodiodes

2011 ◽  
Vol 19 (14) ◽  
pp. 13268 ◽  
Author(s):  
J. F. Dynes ◽  
Z. L. Yuan ◽  
A. W. Sharpe ◽  
O. Thomas ◽  
A. J. Shields
Keyword(s):  
Avalanche Photodiodes ◽  
Photon Number ◽  
Higher Order ◽  
Photon Field

scholarly journals Procedure via cross-Kerr nonlinearities for encoding single logical qubit information onto four-photon decoherence-free states

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Jino Heo ◽  
Seong-Gon Choi
Keyword(s):  
Quantum Information ◽  
Quantum Information Processing ◽  
Photon Number ◽  
Optical Devices ◽  
Quantum Bus ◽  
Reliable Procedure ◽  
Optical Gates ◽  
Photon Loss ◽  
Decoherence Effect ◽  
Logical Qubit

AbstractWe propose a photonic procedure using cross-Kerr nonlinearities (XKNLs) to encode single logical qubit information onto four-photon decoherence-free states. In quantum information processing, a decoherence-free subspace can secure quantum information against collective decoherence. Therefore, we design a procedure employing nonlinear optical gates, which are composed of XKNLs, quantum bus beams, and photon-number-resolving measurements with linear optical devices, to conserve quantum information by encoding quantum information onto four-photon decoherence-free states (single logical qubit information). Based on our analysis in quantifying the affection (photon loss and dephasing) of the decoherence effect, we demonstrate the experimental condition to acquire the reliable procedure of single logical qubit information having the robustness against the decoherence effect.

scholarly journals Erratum: Nonradiative α7m QED effects in the Lamb shift of helium triplet states [Phys. Rev. A 101 , 062516 (2020)]

2021 ◽  
Vol 103 (2) ◽  
Author(s):  
Vojtěch Patkóš ◽  
Vladimir A. Yerokhin ◽  
Krzysztof Pachucki
Keyword(s):  
Lamb Shift ◽  
Triplet States ◽  
Qed Effects

Lamb Shift in Singly Ionized Helium

1971 ◽  
Vol 4 (1) ◽  
pp. 14-32 ◽  
Author(s):  
Musti A. Narasimham ◽  
Richard L. Strombotne
Keyword(s):  
Lamb Shift

scholarly journals Optimal time-resolved photon number distribution reconstruction of a cavity field by maximum likelihood

2012 ◽  
Vol 14 (11) ◽  
pp. 115007 ◽  
Author(s):  
C Sayrin ◽  
I Dotsenko ◽  
S Gleyzes ◽  
M Brune ◽  
J M Raimond ◽  
...  
Keyword(s):  
Maximum Likelihood ◽  
Photon Number ◽  
Optimal Time ◽  
Cavity Field ◽  
Time Resolved ◽  
Number Distribution ◽  
Photon Number Distribution
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