Nonlinear photonic crystals made from polystyrene materials that have Kerr nonlinearity can
exhibit ultrafast optical switching when the samples are pumped by ultrashort optical pulses …

In recent years all-optical switching and logic devices have received extensive attention due
to their potential applications in next generation ultrahigh-speed information processing and …

Zn 1− x Mn x Te and Zn 1− x Mg x Te ternary wide-gap semiconductor alloys were grown by
molecular beam epitaxy on (100) GaAs substrates over a wide range of compositions (0⩽ …

Photonic devices increasingly require three dimensional (3D) control of refractive index, but
existing fabrication methods such as femtosecond micromachining, multi-layer planar …

The band gap energy of most II–VI semiconductors with the exception of Hg-based
compounds falls between 1 and 3 eV, making them useful for applications in optoelectronic …

Thick films of lithium niobate (LiNbO 3) have been epitaxially grown on sapphire substrates
by multistep radio-frequency magnetron sputtering. We have investigated the optical …

This article investigates distributed Bragg reflectors (DBRs) based on two wide-gap II–VI
semiconductor alloy combinations: ZnMgSe/ZnCdSe and ZnMgSe/ZnSeTe. Prior to …

We have measured the wavelength dependence of the indices of refraction n of epitaxial Zn
1− x Mg x Se and Zn 1− x Cd x Se films for a series of alloy compositions x, at wavelengths …

A novel organometallic third-order nonlinear optical crystal: ethyltriphenylphosphonium bis
(2-thioxo-1, 3-dithiole-4, 5-dithiolato) aurate (III)(ETPPADT) has been prepared, and large …

Distributed Bragg reflectors (DBRs) based on ZnCdSe and ZnCdMgSe quarter wave layers
have been grown on InP (001) substrates by molecular beam epitaxy. Their reflectivity …