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Steering-induced coherence in decoherence channels

期刊: LASER PHYSICS LETTERS, 2021; 18 (5)

We study steering-induced coherence (SIC) in local decoherence channels. Two types of channels are considered in this work, one is the amplitude dampi......

Robustness of purity of quantum channels

期刊: LASER PHYSICS LETTERS, 2021; 18 (6)

Quantifying purity is a basic problem in quantum information theory. When a quantum state passes through a quantum channel, its purity may be changed.......

Reducing measurement uncertainty in dissipative and dephasing environments

期刊: LASER PHYSICS LETTERS, 2021; 18 (8)

The uncertainty relation is a fundamental principle in quantum mechanics. We explore the measurement uncertainty of two incompatible observables on qu......

Artificial neural network based on quantum superposition and its application

期刊: LASER PHYSICS LETTERS, 2021; 18 (8)

The artificial neural network (ANN), as a powerful data analytical tool, has played a major role in facial recognition, nature language processing (NL......

Fabrication of magnetic glass by femtosecond laser welding

期刊: LASER PHYSICS LETTERS, 2021; 18 (9)

This research provides a method for making magnetic glass by using a femtosecond laser to weld magnetic powder into a welding line. In this paper, con......

Determining the spatial distribution of laser-induced plasma by laser-induced voltaic measurement

期刊: LASER PHYSICS LETTERS, 2021; 18 (9)

Distribution characteristics of laser-induced plasma (LIP) plays a significant role in the mechanism studies and applications. Owing to various techno......

Constructing shortcuts to the adiabatic passage for implementation of nongeomeric phase gates in a two-atom system

期刊: LASER PHYSICS LETTERS, 2021; 18 (9)

Through combining 'Lewis-Riesenfeld invariants' and 'transitionless quantum driving' with 'quantum zeno subspace' and 'second-order perturbation appro......

Practical amplification for a single photon qudit encoded in three degrees of freedom

期刊: LASER PHYSICS LETTERS, 2021; 18 (5)

A single-photon qudit encoded in more than one degree of freedom (DOF) can effectively enlarge a single photon's capacity and has great potential for ......

Controlling sudden transition between classical and quantum decoherence via squeezing phase of the baths

期刊: LASER PHYSICS LETTERS, 2021; 18 (6)

Correlations in the open quantum systems exhibit a rich phenomenology in various decoherent environments. We theoretically study the dynamics of quant......

Constructing a maximally multi-qubit entangled state via expanded recurrence relation

期刊: LASER PHYSICS LETTERS, 2021; 18 (10)

The notion of a maximally entangled state depends on the measure used to give rise to a rich envision of multipartite state. Recently, Che et al prese......

Tunable continuous-wave dual-wavelength laser operation of Pr3+:LiYF4 around 900 nm

期刊: LASER PHYSICS LETTERS, 2021; 18 (8)

We present here the first tunable continuous-wave (CW) simultaneous dual-wavelength laser operation of a Pr3+:LiYF4 crystal in the 900 nm spectral ran......

Complicated morphologies and instructive mechanism of laser-induced bulk damage in transparent materials

期刊: LASER PHYSICS LETTERS, 2021; 18 (10)

Laser-induced bulk impurity damage has always been a difficult issue in optical systems, affecting the signal-to-noise ratio, beam quality, and other ......

Gain-phase grating via double tunneling in quantum dot molecules

期刊: LASER PHYSICS LETTERS, 2021; 18 (9)

The scheme for gain-phase grating is proposed via double tunneling effect in the quantum dot molecules system with five-level structure, which is form......

Investigation of the luminescence properties of ZnO clusters induced by single-photon and two-photon excitation

期刊: LASER PHYSICS LETTERS, 2021; 18 (10)

By using a luminescence spectrometer and femtosecond laser, we have investigated the specific optical properties and excitation mechanism of ZnO clust......

Multiple-image encryption based on Toeplitz matrix ghost imaging and elliptic curve cryptography

期刊: LASER PHYSICS LETTERS, 2021; 18 (5)

To improve the security of encryption systems, we propose a multiple-image encryption method via Toeplitz matrix ghost imaging and elliptic curve cryp......

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