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Probe of Three-Dimensional Chiral Topological Insulators in an Optical Lattice
Three-Dimensional Chiral Topological Insulators Optical Lattice
2016/1/22
We propose a feasible experimental scheme to realize a three-dimensional chiral topological insulator with cold fermionic atoms in an optical lattice, which is characterized by an integer topological ...
Optical 'quantum computer chip' performs first calculation
quantum computer chip calculation
2009/9/8
Researchers at the University of Bristol in the UK have made a prototype optical quantum computer chip and used it to perform a mathematical calculation for the first time. The device consists of tiny...
First-principles calculations of structural, electronic and optical properties of Zinc-blende Six Ge1-x C alloys
Alloys Lattice parameter Bulk modulus Electronic structure Band-gap Gap bowing Optical properties
2010/4/8
We present first-principles calculations of the structural, electronic and optical properties of zinc-blende Six Ge1-x C alloys by application of the full potential linearized augmented plane wave (FP...
Optical and Structural Properties of the GaSxSe1-x, GaSe, TlGaSe2 and TlInS2 Semiconductors
Chalcogenides layered semiconductors optical properties vibrational modes multiphonon absorption crystalline and band structure correlation analysis
2010/4/9
In the present work, crystal structure and optical properties of the layered chalcogenides GaSxSe1-x, GaSe, TlGaSe2 and TlInS2 were investigated in the visible (VIS) and infrared (IR) range of spectra...
Optical fibre pioneer, Professor David Payne, receives prestigious award from the IEEE（图）
Electronics photonics
2007/3/15
12 March 2007，The Institute of Electrical and Electronics Engineers (IEEE), the world's largest professional association for the advancement of technology, has named Professor David Payne of the Unive...
Donor-Related Optical Absorption Spectra for a GaAs-Ga0.7Al0.3As Double Quantum Well under Hydrostatic Pressure and Applied Electric Field Effects
Electric field Hydrostatic pressure Quantum well Absorption spectra
2010/9/25
The hydrostatic-pressure and applied electric field dependencies of the binding energy and the opticalabsorption spectra, associated with transitions between the n = 1 valence subband and the donor-im...
Preparation and Study of the Structural, Optical and Electrical Properties of Cu(In,Ga)Se2 Thin Films
CIGS thin films absorber material solar cell optical properties band gap electrical properties
2010/4/9
Thin film samples of Cu(In,Ga)Se2 (CIGS) were prepared at room temperature by physical vapor deposition (PVD) technique using resistive heating method onto soda lime glass substrates. Deposition condi...
Effect of Thermal Annealing on the Band GAP and Optical Properties of Chemical Bath Deposited ZnSe Thin Films
Chemical bath Deposition ZnSe Thin film band gap Solar Cells
2010/4/9
Zinc selenide (ZnSe) thin films were deposited on glass substrate using the chemical bath deposition method at room temperature from aqueous solutions of zinc sulphate and sodium selenosulfate in whic...
Single Mode Optical Radiation Distribution and Reflectivity Calculations in Novel-Hot Electron Light Emission and Lasing In Semiconductor Heterostructures VCSELs
Optical Radiation Distribution Electron Light Emission Reflectivity Calculations
2010/4/12
In this work, we calculate the power reflectivity in vertical cavity surface emitting lasers (VCSELs) using a new method. In VCSELs, the stop band of the reflectivity spectrum should exhibit a dip at ...