quadratic stark constants of neutral copper spectral lines for all s,p, and d levels are calculated using the coulomb approximation. these results are compared with existing data and, generally, good agreement is observed

— A classical model of the hydrogen atom in a static electric field is studied, basing upon the work [ Hooker A. et al, Phys. Rev. A, 55 (1997) 4609 ]. In that work the electrons are supposed to move along Kepler orbits around the nucleus, while interacting with the external field. That classical model reproduces very well the true energy shift of the linear Stark effect. The agreement with the...

We study the dependence of the ac Stark shifts of electronic energies on the molecular orientation relative to the polarization direction of an incident intense laser field, using a three-dimensional non-Hermitian Floquet method and H2 + as a model system. Simultaneously, we also study the orientation-dependent high-order harmonic generation HHG and multiphoton ionization MPI . We find that wit...

We analyze the influence of heat generation caused by nonradiative transitions in a high-power 1.55 microm double-clad erbium-ytterbium fiber laser on the Stark level population. At strong pumping rates, 1 microm lasing can start as a result of parasitic reflections. We present a model that allows us to simulate the effect of self-generated heat on the Stark level population by using the MacCum...

A scheme is presented for the confinement of neutral molecules in stable orbits on the basis of the linear Stark effect in a properly designed electrostatic trap. Based on Stark shift measurements in electric fields up to 140 kV/cm, an electrode configuration which is, under realistic experimental conditions, capable of confining metastable CO(a31-1) molecules with velocities up to 22 m/s is de...

We explore the low temperature transport through a resonant acceptor impurity located near a metalsemiconductor interface and observe a large shift 12 meV and splitting 0.8 meV of its ground state. The shift is attributed to the quadratic Stark effect resulting from the electric field of the electrostatic barrier. The splitting is too large to be attributed to a linear Stark splitting. We calcu...

We describe an enhanced temporally switched interfero-polarimeter that has been successfully deployed for high spatial resolution motional Stark effect imaging on the KSTAR superconducting tokamak. The system utilizes dual switching ferroelectric liquid crystal waveplates to image the full Stokes vector of elliptically polarized and Doppler-shifted Stark-Zeeman Balmer-alpha emission from high e...

Electroabsorption modulators (EAMs) based on the quantum confined Stark effect in multiple quantum wells (MQWs) have advantages for high-speed, low drive voltage, and high extinction ratio applications. In this paper, a traveling-wave electrode structure is proposed to achieve high bandwidths with long devices and lower drive voltages at 1.55μm wavelength. An InGaAsP/InGaAsP MQW traveling-wave ...

Room-temperature electrotransmittance has been used in order to investigate the interband excitonic transitions in a 250~A-thick In o.53Gao.47As/Ino.52A.~~s ingle-quantum-well system as a function of an externally applied electric field. Parity forbidden transitions, involving conduction-band states with quantum numbers up to n = 5, which become more pronounced at high electric fields were obse...

We demonstrate a room-temperature strong quantum confinement Stark effect (QCSE) in Ge/SiGe multiple quantum wells (MQW) heterostructures, embedded in PIN diode. The device is designed to operate at 1.3μm, and QCSE is shown by photocurrent measurement in a surface illuminated device.