نتایج جستجو برای: demultiplexer
تعداد نتایج: 437 فیلتر نتایج به سال:
In this work, the performance and reliability analysis of a crossbar molecular switch nanomemory demultiplexer is studied and results presented. In particular, we investigate the impact on the performance of a crossbar nanomemory demultiplexer of implementing a combination of error correction coding and multi-switch junction fault tolerance schemes. Results indicate that delay and power scale l...
We are presenting the details of the modeling and designing of the optical demultiplexer by using photonic crystals in silicon on insulator system. For this purpose, the band diagram and light propagation inside the photonic crystals are modeled. An effective index is defined for light propagation inside the photonic crystal structure, which reduces the computation time significantly. An eight-...
Crosstalk and noise characteristics of non-linear all optical loop mirror (NOLM) demultiplexer and terahertz optical asymmetric demultiplexer (TOAD) are investigated in this paper. The best demultiplexing conditions are studied in order to minimise the crosstalk and noise, and to achieve reduced power penalty for both all-optical demultiplexing schemes.
In this paper, a new design of demultiplexer based on two-dimensional photonic crystal ringresonator is proposed. The structure is made of a hexagonal lattice of silicon rods with therefractive index 3.46 in coefficient of air with refractive index 1. The transmission efficiencyand Quality factor for our proposed demultiplexer, respectively, are more than 65% and1600. The normalized transmissio...
A set of desirable characteristics of a multicarrier spectrumefficient bandwidth-on-demand multiplexer-demultiplexer pair for use in mobile satellite and personal communication systems is identified and described. New characteristics are the use of single VSB channels, design of multiplexer channels based on wavelet packet trees which have specified stopband attenuation, overlap of the multiple...
A Clockand Data-Recovery (CDR) IC for a Physical Layer Controller in an Asynchronous Transfer Mode (ATM) system operating at a bit rate of 2.488Gb/s is presented. The circuit was designed and fabricated in a 0.8pm BiCMOS process featuring 13GHz fT bipolar transistors. Clock-recovery is accomplished with a Phase-Locked Loop (PLL). The PLL uses a Phaseand Frequency Detector (PFD) to increase the ...
In this paper, the possibility of using a silicon waveguide based microring resonator as a nonlinear all-optical switch is described under low power operation through a two-photon absorption effect. All-optical multiplexer/demultiplexer scheme based on two cascaded microring resonators has been proposed and described. The proposed circuits require smaller number of ring resonators and a single ...
The four channels of 3D plasmonic demultiplexer structure are selective based, on a nanocavity, that proposed, and numerically simulated, by using the finite, element method by using COMSOL4.4 software package The required, filtered wavelength can, be investigated, by selecting, an appropriate length of, the nanocavity and refractive index of dielectric that filled nanocavity. The selecting wav...
We extend our previously-derived generalized closed-form representation for spectral dispersing performance of the VirtuallyImaged-Phased-Array (VIPA) based on a 3D vectorial Gaussian beam formulation to demultiplexing application. To analyze VIPA in the demultiplexer scheme, a spherical lens is added after the VIPA, so that the device plane is superimposed on the focal plane of the lens. The c...
This study proposes a volume holographic demultiplexer (VHDM) for extracting the spatial modes excited in a multimode fiber. A unique feature of the demultiplexer is that it can separate a number of multiplexed modes output from a fiber in different directions by using multi-recorded holograms without beam splitters, which results in a simple configuration as compared with that using phase plat...
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