Results 21 to 30 of about 6,564 (223)

Quantum control gates with weak cross-Kerr nonlinearity [PDF]

open access: yesPhysical Review A, 2009
In this paper, with the weak cross-Kerr nonlinearity, we first present a special experimental scheme called C-path gate with which the realization of all possible bipartite POVMs of two-photon polarization states can be simpler and nearly deterministic.
Lin, Qing, Li, Jian
openaire   +2 more sources

Enhancing Third- and Fifth-Order Nonlinearity via Tunneling in Multiple Quantum Dots

open access: yesNanomaterials, 2019
The nonlinearity of semiconductor quantum dots under the condition of low light levels has many important applications. In this study, linear absorption, self-Kerr nonlinearity, fifth-order nonlinearity and cross-Kerr nonlinearity of multiple quantum ...
Si-Cong Tian   +9 more
doaj   +1 more source

Entanglement Purification for Logic-Qubit of Photon System Based on Parity Check Measurement Gate

open access: yesEntropy, 2023
It has been found that logic-qubit entanglement has great potential for applications in quantum communication and quantum networks in recent years. However, along with the effects of noise and decoherence, the fidelity of the communication transmission ...
Chunyan Li   +4 more
doaj   +1 more source

Weak Kerr Nonlinearity Boosts the Performance of Frequency-Multiplexed Photonic Extreme Learning Machines: A Multifaceted Approach [PDF]

open access: yes, 2023
We provide a theoretical, numerical, and experimental investigation of the Kerr nonlinearity impact on the performance of a frequency-multiplexed Extreme Learning Machine (ELM). In such ELM, the neuron signals are encoded in the lines of a frequency comb.
Serge Massar (54567)   +2 more
core   +4 more sources

Experimental demonstration of cavity-free optical isolators and optical circulators

open access: yesPhysical Review Research, 2020
Cavity-free optical nonreciprocity components, which have an inherent strong asymmetric interaction between the forward- and backward-propagation direction of the probe field, are key to produce such as optical isolators and circulators. According to the
En-Ze Li   +11 more
doaj   +1 more source

Self-assisted deterministic hyperentangled-Bell-state analysis for polarization and double longitudinal momentum degrees of freedom of photon system

open access: yesFrontiers in Quantum Science and Technology, 2022
Hyperentangled state analysis is an important module in high-capacity quantum communication. We present a self-assisted deterministic hyperentangled-Bell-state analysis (HBSA) scheme for photon system entangled in three degrees of freedom (DOFs), where ...
Chang-Qi Yu   +3 more
doaj   +1 more source

Micromaser with Kerr nonlinearity [PDF]

open access: yes, 1993
A micromaser containing a Kerr medium in its cavity has been investigated. We have presented an exact solution to the model Hamiltonian, which, apart from the usual Jaynes-Cummings terms, contains a Kerr term (a°2a2).
Bimalendu Deb   +3 more
core   +1 more source

Kerr-nonlinearity Enhanced Conventional Photon Blockade in Second-order-nonlinear System [PDF]

open access: yes, 2020
In the recent publication [Phys. Rev. B 87, 235319 (2013)], the conventional photon blockade(CPB) was studied for the low frequency mode in a second-order nonlinear system.
Xiaoqian Wang (460263)   +3 more
core   +1 more source

Highly non-Gaussian states created via cross-Kerr nonlinearity [PDF]

open access: yes, 2008
We propose a feasible scheme for generation of strongly non-Gaussian states using the cross-Kerr nonlinearity. The resultant states are highly non-classical states of an electromagnetic field and exhibit negativity of their Wigner function, sub ...
Tyc, Tomas, Korolkova, Natalia
core   +1 more source

Nonlinear cross-Kerr quasiclassical dynamics

open access: yesNew Journal of Physics, 2013
16 pages, 5 ...
Rigas, I.   +3 more
openaire   +5 more sources

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