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Analysis of multichannel reflectors using one dimensional photonic crystal with symmetric and asymmetric micro-plasma defects

ALOK KUMAR PANDEY1, GIRIJESH NARAYAN PANDEY2,* , NARENDRA KUMAR3, KHEM BAHADUR THAPA4, J. P. PANDEY1

Affiliation

  1. Department of Physics, M.L.K. P.G. College, Balrampur 271201, Uttar Pradesh, India
  2. Department of Applied Physics, Amity Institute of Applied Sciences, Amity University, Noida 201301, Uttar Pradesh, India
  3. Department of Physics, SLAS, Mody University of Science and Technology, Lakshmangarh 332311, Sikar, Rajasthan, India
  4. Department of Physics, School of Physical and Decision Sciences, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raibarely Road, Lucknow 226025, Uttar Pradesh, India

Abstract

In the present communication, the transmittance of electromagnetic waves in a 1D photonic crystal, with introduction of a defect layer of micro-plasma inside the regular structure of photonic crystal, has been theoretically studied. A periodic media with alternate thin layers of air and SiO2 dielectric materials are considered in the two forms of PC as (AB) N and (BA)N . The transmittances and the photonic band structures are calculated using transfer matrix method and Bloch’s function. The transmittance spectra of these PCs along with asymmetrically and symmetrically introduced micro-plasma defects are studied for varying thickness of micro-plasma. In this analysis, we focus our attention to the zero-transmittance or bandgap regions. The zero-transmittances of the defected PC structures of the air and SiO2 composites are found with the multichannel reflector behavior by introducing a micro-plasma defect layer with its assigned thickness in several considered cases. It is demonstrated that such idea for a defected PC can be employed in design of the multichannel filters and other PC-based devices.

Keywords

Plasma defect, Photonic crystals, Transfer matrix method, Zero-transmittance, Multichannel.

Citation

ALOK KUMAR PANDEY, GIRIJESH NARAYAN PANDEY, NARENDRA KUMAR, KHEM BAHADUR THAPA, J. P. PANDEY, Analysis of multichannel reflectors using one dimensional photonic crystal with symmetric and asymmetric micro-plasma defects, Optoelectronics and Advanced Materials - Rapid Communications, 16, 1-2, January-February 2022, pp.26-30 (2022).

Submitted at: July 6, 2021

Accepted at: Feb. 10, 2022