vioft2nntf2t|tblJournal|Abstract_paper|0xf4ff8982210000000056050001000600 For the future computation optical technologies will be the next generation of communication system because of its very high speed. Gates are the key elements which are used to realize all-optical functions. All-optical logic gates are core logic unit to implement various all-optical systems for the purpose of optical signal processing. To design the optical gates it is essential to implement a nonlinear medium which modulates the signal to produce the desired results. The nonlinearity may be generated in many ways such as using nonlinear loop mirror, nonlinear fiber, photonic crystal, filter, waveguide, thyristor, acoustic waves, or the semiconductor optical amplifier. Here Optical NOT gate is designed using the photonic crystals. Photonic Crystals (PCs) are dielectric structures with the periodic spatial alternations of the refractive index on the scale of wavelength of light. Many optical devices, which is based on PCs have been proposed. The finite difference time domain (FDTD) and plane wave Expansion (PWE) methods are used here to analyze the behavior of the structure .In this paper, Indium Phosphide rods are used which has the refractive index as 3.1. It is used in high power and high frequency electronics. Output of the NOT gate is extracted using 2D photonic crystals.
V Anusooya, M J Gemkutti Kanagaselvi
VV College of Engineering, India
Optical NOT Gate, Non Linearity, Photonic Crystals, Finite Difference Time Domain, Indium Phosphide
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| Published By :
ICTACT
Published In :
ICTACT Journal on Microelectronics
( Volume: 2 , Issue: 3 , Pages: 281-283 )
Date of Publication :
October 2016
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