Phase modulation at the few-photon level for weak-nonlinearity-based quantum computing
The ability of a few-photon light field to impart an appreciable phase shift on another light
field is critical for many quantum information applications,. A recently proposed paradigm for …
field is critical for many quantum information applications,. A recently proposed paradigm for …
Precision measurement of the environmental temperature by tunable double optomechanically induced transparency with a squeezed field
Q Wang, JQ Zhang, PC Ma, CM Yao, M Feng - Physical Review A, 2015 - APS
A tunable double optomechanically induced transparency (OMIT) with a squeezed field is
investigated in a system consisting of an optomechanical cavity coupled to a charged …
investigated in a system consisting of an optomechanical cavity coupled to a charged …
Cross-Kerr nonlinearity between continuous-mode coherent states and single photons
Weak cross-Kerr nonlinearities between single photons and coherent states are the basis for
many applications in quantum-information processing. These nonlinearities have so far …
many applications in quantum-information processing. These nonlinearities have so far …
Continuous-mode effects and photon-photon phase gate performance
The effects arising from the inherent continuous-mode nature of photonic pulses were poorly
understood but significantly influence the performance of quantum devices employing …
understood but significantly influence the performance of quantum devices employing …
Distributing fully optomechanical quantum correlations
L Mazzola, M Paternostro - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
We present a scheme to prepare quantum correlated states of two mechanical systems
based on the pouring of preavailable all-optical entanglement into the state of two …
based on the pouring of preavailable all-optical entanglement into the state of two …
Electromagnetically-induced-transparency-based cross-phase-modulation at attojoule levels
HY Lo, YC Chen, PC Su, HC Chen, JX Chen… - Physical Review A …, 2011 - APS
We report the experimental demonstration of electromagnetically-induced-transparency-
based cross-phase-modulation at attojoule or, equivalently, few-hundred-photon levels. A …
based cross-phase-modulation at attojoule or, equivalently, few-hundred-photon levels. A …
Experimental realization of a dynamic squeezing gate
Squeezing is a nonlinear Gaussian operation that is a key component in the construction of
other nonlinear Gaussian gates. In our implementation of the squeezing gate, the amount …
other nonlinear Gaussian gates. In our implementation of the squeezing gate, the amount …
Photonic two-qubit parity gate with tiny cross–Kerr nonlinearity
XW Wang, DY Zhang, SQ Tang, LJ **e, ZY Wang… - Physical Review A …, 2012 - APS
The cross-Kerr nonlinearity (XKNL) effect can induce efficient photon interactions in principle
with which photonic multiqubit gates can be performed using far fewer physical resources …
with which photonic multiqubit gates can be performed using far fewer physical resources …
Transverse multimode effects on the performance of photon-photon gates
The multimode character of quantum fields imposes constraints on the implementation of
high-fidelity quantum gates between individual photons. So far this has only been studied for …
high-fidelity quantum gates between individual photons. So far this has only been studied for …
Low-light-level four-wave mixing by quantum interference
We observed electromagnetically induced transparency-based four-wave mixing (FWM) in
the pulsed regime at low light levels. The FWM conversion efficiency of 3.8 (9)% was …
the pulsed regime at low light levels. The FWM conversion efficiency of 3.8 (9)% was …