Traditional optomechanical research is rarely studied in compound glass, especially chalcogenide glass. In this paper, the forward and backward Stimulated Brillouin Scattering (SBS) demonstrated for first time a glass microsphere resonator. A high-purity with high quality (Q) factor of 2.1 × 107 investigated using 1550 nm tunable laser. experiment, resulting mechanical ...

A detailed study of the wavelength dependence of the formation of lenslets by photo-expansion in chalcogenide glasses is reported. Photo-expansion in chalcogenide glasses offers a one-step fabrication process to record surface structures such as gratings and microlenses. The process is purely optical and requires no fixing and etching to get the desired surface structure. Two competing effects,...

In this study, the bending losses of chalcogenide glass channel optical waveguides consisting an As2Se3 core and As2S3 lower cladding layer were numerically evaluated across astronomical N-band, which is mid-infrared spectral range between 8 µm 12 wavelengths. The results reveal design rules for bent in astrophotonic devices.

We report on the fabrication of chalcogenide glass (Ag-As(2)Se(3)) photonic crystal waveguides and the first detailed characterization of the linear and nonlinear optical properties. The waveguides, fabricated by e-beam lithography and ICP etching exhibit typical transmission spectra of photonic crystal waveguides, and exhibit high optical nonlinearity. Nonlinear phase shift of 1.5pi through se...

The pressure-induced insulator-metal transition in amorphous GeSe2 (a-GeSe2) is studied using an ab initio constant pressure molecular-dynamic simulation. a-GeSe2 transforms gradually to an amorphous metallic state under the application of pressure. The transition is reversible, and is associated with a gradual change from fourfold to sixfold Ge coordination, and from twofold to fourfold Se coo...

Mark A. Hughes,* Weijia Yang, and Daniel W. Hewak Toyota Technological Institute, 2-12-1, Hisakata, Tempaku, Nagoya 468-8511, Japan Université de Paris Sud 11, Institut de Chimie Moléculaire et des Matériaux d’Orsay, Laboratoire de Physico-Chimie de L’Etat Solide, UMR CNRS-UPS 8182, Bât. 410, 91405 Orsay Cedex, France Optoelectronics Research Centre, University of Southampton, Southampton SO17 ...

The possibility of making lithographic masks based on As2S3 chalcogenide glass with ultimately small size resist elements has been investigated. Interference lithography using synchrotron radiation a wavelength 13.4 nm, corresponding to extreme ultraviolet light, was used. High-quality 30 nm in were obtained. In dynamic light scattering study, particles about 3 found the developer after develop...

The results of the investigations polarization properties in thin layers vitreous Ge 28.5 Pb 14.0 Fe 1.0 S 56.5 are presented. A process dipole-relaxation was discovered, activation energy which turned out to be equal E a =(0.97±0.14) eV. It has been determined that charge transfer hybrid system is thermally activated with an =(0.54±0.01) calculation allow us conclude glass-forming capacity (Ge...

We report mid-infrared (MIR) nonlinear absorption in As2S3 glasses which results from two-photon excitation of valence electron to the Urbach extension followed by strong linear absorption of excited states. The measured MIR nonlinear absorption can be 3 to 4 orders of magnitude stronger than the two-photon absorption in the near-infrared for similar laser intensities and does not result from c...