Arpan Deyasi

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— Bandpass filter characteristics is numerically computed for semiconductor heterostructure based one-dimensional photonic crystal at different optical wavelengths by varying the structural parameters taking GaAs/Al x Ga 1-x As as a suitable composition subject to normal incidence of electromagnetic wave. Transfer matrix technique is used for numerical(More)
Novel band-reject filter is proposed using multilayer Bragg mirror structure by computing reflection coefficient at 1550 nm wavelength for optical communication. Dimension of different layers and material composition are modified to study the effect on rejection bandwidth, and no. of layers is also varied for analyzing passband characteristics. GaN/Al x Ga(More)
Electromagnetic wave propagation inside one-dimensional photonic crystal fiber is numerically characterized by computing V-parameter, cladding index and effective mode profiles. Dependence on these parameters on geometrical structure of the fiber reflects the design tolerance, and corresponding modal characteristics. Air-hole spacing and periodicity are(More)
Transmission coefficient, eigen states and tunneling current density of a potentially symmetric quantum double barrier structure has been numerically computed using transfer matrix technique for qualitative analysis of resonant tunneling probability when realistic band structure of higher band gap material is taken into account. GaAs/Al x Ga 1-x As material(More)
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