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Effect of the Doping Layer Concentration on Optical Absorption in Si δ-Doped GaAs Layer
Doped GaAs Self-Consistently The Intersubband Absorption
2012/9/28
We study in this paper the intersubband optical absorption of Si doped GaAs layer for different applied electric fields and donors concentration. The electronic structure has been calculated by solvin...
Ultra-compact photonic crystal waveguide spatial mode converter and its connection to the optical diode effect
Integrated optics devices Guided waves
2012/8/7
We design an extremely compact photonic crystal waveguide spatial mode converter which converts the fundamental even mode to the higher order odd mode with nearly 100% efficiency. We adapt a pre...
Optical Absorption Enhancement in Freestanding GaAs Thin Film Nanopyramid Arrays
Optical Absorption GaAs Thin Film Nanopyramid Arrays
2012/8/7
Although III–V compound semiconductor multi-junction cells show the highest effi ciency among all types of solar cells, their cost is quite high due to expensive substrates, long epitaxial growt...
Enhancing the waveguide-resonator optical force with an all-optical on-chip analog of electromagnetically induced transparency
waveguide-resonator optical force all-optical on-chip analog electromagnetically induced transparency
2012/8/7
We demonstrate a fundamental limitation in the force enhancement in simple waveguide-resonator geometry We also show that the all-optical analog to electromagnetically induced transparency, as observe...
A Magnetically Levitated Precise Pointing Mechanism for Application to Optical Communication Terminals
Optical Communications Magnetic Levitation Control Pointing Active Anti-Vibration
2012/6/28
Increasing data bandwidth requirements from spacecraft systems is beginning to pressure existing microwave communications systems. Free-Space optical communications allows for larger bandwidths for lo...
乌克兰光学工程学会（Ukrainian Society for Optical Engineering）
乌克兰光学工程学会，Ukrainian Society for Optical Engineering
2012/4/10
Ukrainian Society for Optical Engineering founded in 2008 on the basis of Ukrainian Chapter of SPIE. Ukrainian Society for Optical Engineering unites member of SPIE, scientists and engineers working i...
Synthesis, Characterization and Third Order Non Linear Optical Properties of Metallo Organic Chromophores
Third Order NLO Properties Salen Ligand Transition Metal Complexes Z-Scan Technique
2012/3/28
The organic imine and their metal complexes were synthesized and characterized by IR, UV and NMR. The third order non linear optical properties of the compounds were investigated. The measurements of ...
Flexible Optical Waveguide Bent Loss Attenuation Effects Analysis and Modeling Application to an Intrinsic Optical Fiber Temperature Sensor
Optical Fiber Losses Curvature Sensor Temperature Micro Technology
2012/3/28
The temperature dependence of the bending loss light energy in multimode optical fibers is reported and analyzed. The work described in this paper aims to extend an initial previous analysis concernin...
Two improved methods of achieving direct overwrite without a pulsed magnetic field to write or erase dingle-layer magneto-optical media with a compensation point of 125-130 and a Curie temperature of ...
The Design and Experiment Studies of Optical Adapter with Integrated Dust Protection and Shutter Design
High Power Leaser Elastic-Plastic Theory Laser Shutter Optical Adapter
2011/12/5
High power lasers (> +21dBm) have gradually become the common solution for signal transmitting systems including regional cable television, Fiber To The Home (FTTH), and gigabit passive optical networ...
Transmission Characteristics of Tuneable Optical Filters Using Optical Ring Resonator with PCF Resonance Loop
Optical Ring Resonator Photonic Crystal Fiber Tuneable Optical Filter Optical Fiber
2011/12/5
A theoretical analysis of a tuneable optical filter is presented by proposing an optical ring resonator (ORR) using photonic crystal fiber (PCF) as the resonance loop. The influences of the characteri...
Semiconductor Optical Amplifier (SOA)-Fiber Ring Laser and Its Application to Stress Sensing
Fiber Laser Fiber Sensor Ring Laser Semiconductor Optical Amplifier Optical Sensor
2011/12/5
We have developed a novel optical fiber ring laser using a semiconductor optical amplifier (SOA) as the gain medium, and taking advantage of polarization anisotropy of its gain. The frequency differen...
Control of parameters in rare earth- transition metal alloys for magneto-optical recording media
2011/12/1
The techniques which can be used to control the magnetic and occurs when the temperature in the heated spot increasesufficiently magneto-optical recording properties of sputtered amorphous thin films ...
The magnetoresistance effect in compositionally modulated transition metal/transition-metal films (Co/Pt and Co/Pd) and in amorphous binary rare-earth-transition-metal alloy films (TbFe) has been inve...
A dual-layer optical disk comprised of a read-only layer and a phase-change layer was designed to perform the read-only and erasable dual-functionality in an optical disk. With the properly designed d...