High power diode-end-pumped Nd∶YAG ceramic laser is reported using Nd∶YAG ceramic made in China. A loss coefficient of 0.116 cm-1 is obtained by measuring the transmission spectrum of Nd∶YAG ceramic. High power output is realized

In an open V-type system,by numerical results of differential equations,the physical mechanism of laser without inversion(LWI)was analyzed,and the effects of the probe and driving fields detunings,the Rabi frequencies of the drivi

Excited state population distribution of 5S1/2 →5P3/2 with laser excitation in room temperature rubidium vapor mixed with H2 was quantitatively analyzed by absorption and saturation spectroscopy.When the laser linewidth is much sm

Quantum game is one of the important branches in quantum information. Based on the singlecoin-tossing game studied by Meyer,the dice game which has six states is discussed. In classical dice game,the probabilities of two players,P

The density matrix approach was employed to investigate analytically the absorption/gain behavior in a semiconductor quantum dot under the strong confinement regime. The numerical results show the distribution symmetry of the gain

The selective excitation of coherent anti-Stokes Raman scattering(CARS)to the νs(CH3)(2832 cm-1)and the νAS(CH3)(2948 cm-1 )vibrational modes from methanol solution is successfully achieved by adaptive femtosecond pulse shaping co

The characteristics of signal transmission speed in the condition of superluminal group velocity are discussed. When an amplitude modulated sinusoid signal is sent into mismatched transmission line groups at some special carrier f

Wave feature of a classical physical system demonstrates more efficiently than its relevant particle feature during information processing procedure. By analysis of wave and energy features of a classical coupled harmonic oscillat

A scheme is proposed to realize 1→2 phase-covariant quantum cloning machine in cavity electrodynamics. This clone machine acts on the electronic states of atoms that interact with electromagnetic fields of two high-Q cavities. The

The thermal entanglement of spin-1 XXZ-type Heisenberg chains in the presence of a uniform magnetic field along z axes is investigated by means of negativity theory. The existence of magnetic fields can obviously reduce the entang

With two qutrit states of non-maximally entangled particles as the quantum channel,a protocol for the probabilistic remote reparation of a bipartite three-dimensional equatorial entangled state is proposed.It is found that a bipar

The entanglement in the system which consists of two-mode squeezed vacuum state and BoseEinstein condensate in two-photon process is investigated. The entanglement of field-atom and the entanglement between the two-mode field are

Purification of non-maximally entangled two-atom states and three-atom states is investigated by means of entanglement swapping,which is generalized to non-maximally entangled multi-atom states'purification. It is found that the p

The entanglement time evolution of Tavis-Cummings model with Gaussian coupling is investigated. The entanglement between coherent field and two atoms is explored by using the quantum reduced entropy,and the entanglement between tw

A simple experimental scheme to generate N-qubit atom cluster states is proposed.The task can be realized through the interaction between two three-level atoms within a nonresonant cavity and meanwhile driven by a classical field.

The quantum properties of light in the system of Λ-type three-level atom interacting with radiation fields in binomial states are studied by means of quantum theory. The influences of the initial states of the Λ-type three-level a

The quantum statistical properties in the system of a two-mode SU(1,1)coherent field interacting with a two-level atom are investigated by solving Milburn equation. The effects on the quantum statistical properties induced by the

300 nm-thick TiN thin films were deposited by reactive magnetron sputtering under different N2flow ratios. Film surface morphologies were observed by atomic force microscope(AFM)and analyzed by fractal theory. The correlation betw

With the development of multicast applications,the reliable transmission of multicast services over optical layer becomes a hot topic in today's research on optical networks. The key problem of this topic is multicast protection a

Considering the difficulty in the fabrication of dispersion decreasing fiber(DDF)in dispersion management systems,a new dispersion management line is designed to substitute DDF. By employment of two types of fiber with positive an

Using the nonlinear quantum theory and revised Schr?dinger equation,the influences of the multi-photon nonlinear Compton scattering on the propagation of the soliton squeezed state in the fiber are studied,and the squeezing ratio

A theoretical model to simulate the transient response of tellurite-based erbium-doped fiber amplifier(EDTFA)is proposed,and the output response characteristics of EDTFA to a low frequency square-wave pulse signal are investigated

Interferometric sensors fabricated with single mode fiber are subject to polarization fading and phase fading induced by environmental fluctuations. In order to overcome the restriction,a novel optical fiber sensor based on Mach-Z

Piezoelectrical fiber-optic phase modulator is one of the core devices in the fiber-optic Fourier transform spectrometer measurement system. The output voltage characteristics of piezoelectrical drive control system determine the