نتایج جستجو برای: singled ridge waveguide and cross
تعداد نتایج: 16895633 فیلتر نتایج به سال:
The effective integration of 2D materials such as monolayer transition metal dichalcogenides (TMDs) into photonic waveguides and integrated circuits is being intensely pursued due to these materials’ strong exciton-based optical response. This work presents a platform where heterostructure (WS2-hBN) directly the mode-center novel polymer ridge waveguide. Finite-difference time-domain simulation...
abstract in this study, we synthesized a novel template polymer by using methacrylic acid (mma) as functional monomer, ethylene glycol dimethacrylate(egdma) as cross linker, 2,2-azobisisobutyronitrile (aibn) as initiator and olanzapine as targeted molecule in the presence of chloroform and acetonitrile as solvent. the products have been characterized and confirmed by (chn)elemental analysis,...
The parameters of an optically pumped stripe waveguide laser based on HgCdTe heterostructure with quantum wells for single-mode generation radiation in the wavelength range 25−41 µm are optimized. It was shown that width ridge should not exceed 15 to implement a etching depth covering active region.
The design, fabrication, and characterization of a silicon nitride waveguide polarization rotator beam splitter that operate with extinction ratio (PER) ∼30 dB at the rubidium atomic transition 780 nm wavelength are demonstrated. These devices fabricated on same chip using self-aligned process for integration rib ridge structures. is based mode evolution approach adiabatic tapers demonstrates P...
An attempt was made to achieve high-performance 1.55I m semiconductor laser diodes based on the InGaAlAs material system with solid-source molecular beam epitaxy (MBE) technology. The primary motivation for this attempt was the possibility for enhanced QW laser performance with large conduction band offsets provided by InGaAlAs which, furthermore, can be realized with toxic-gas-free solid-sourc...
High-power narrow-spectrum diode laser systems based on tapered gain media in an external cavity are demonstrated at 675 nm. Two 2 mm long amplifiers are used, one with a 500 μm long ridge-waveguide section (device A), the other with a 750 μm long ridge-waveguide section (device B). Laser system A based on device A is tunable from 663 to 684 nm with output power higher than 0.55 W in the tuning...
Here we present the design of a low loss top metal silicon (Si) hybrid dielectric-loaded plasmonic waveguide (TM-SiHDLW) and a compact, high performance optical resonator by numerical simulation based on finite element method. The waveguide adopted a thick (200 nm) top metal stripe structure to yield optimal performance due to reduced Ohmic loss in conductor around the stripe edge/corner. Moreo...
in order to implement an integrated optical quantum circuit, designing waveguides based on the quantum box is of prime importance. to do this we have investigated optical waveguide both with and without optical pumping. the rate of absorption and emission using an array of algaas/gaas quantum box core/shell structure in the optical waveguide with various pumping intensities has computed. by con...
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