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Calculation of photonic band-gap of one dimensional photonic crystal

Calculation of photonic band-gap of one dimensional photonic crystal
Calculation of photonic band-gap of one dimensional photonic crystal
Photonic crystal is a composite dielectric with periodic modulation of refractive index that brings about unique photonic band-gap effect by which light could be totally reflected on the surface of such material regardless of any incident angle or mode. Many applications based on this mechanism have been developed and introduced into new waveguides. Such band-gap effect could be understood by investigating the optical performance of one dimensional photonic crystal. In this paper, the principle of band-gap effect of one dimension photonic crystal is firstly explained by Bragg reflection, the band-gap centre is obtained; then the modelling of band-gap of one dimension photonic crystal is conducted as well, the result is in agreement with the Bragg results and shows that the centre of photonic band-gap shifts to larger wavelength with higher refractive index (RI) ratio or dimension ratio between the two component dielectrics, but the involved boundary condition in simulation leads to higher onset RI ratio (3.5) responsible for the presence of photonic band-gap. This work would be useful to the design and fabrication of photonic crystal devices.
Zhao, J
ccf4084e-9736-4a9a-8a46-92a83257bca7
Li, X
5e4a046d-1fb8-4dbd-a7e3-9e0fd520aa84
Zhong, L
51f65323-e999-4d35-87e9-f0681d7f44af
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Zhao, J
ccf4084e-9736-4a9a-8a46-92a83257bca7
Li, X
5e4a046d-1fb8-4dbd-a7e3-9e0fd520aa84
Zhong, L
51f65323-e999-4d35-87e9-f0681d7f44af
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819

Zhao, J, Li, X, Zhong, L and Chen, G (2009) Calculation of photonic band-gap of one dimensional photonic crystal. DIELECTRICS 2009: MEASUREMENT ANALYSIS AND APPLICATIONS, 40TH ANNIVERSARY MEETING, United Kingdom. 15 - 17 Apr 2009.

Record type: Conference or Workshop Item (Poster)

Abstract

Photonic crystal is a composite dielectric with periodic modulation of refractive index that brings about unique photonic band-gap effect by which light could be totally reflected on the surface of such material regardless of any incident angle or mode. Many applications based on this mechanism have been developed and introduced into new waveguides. Such band-gap effect could be understood by investigating the optical performance of one dimensional photonic crystal. In this paper, the principle of band-gap effect of one dimension photonic crystal is firstly explained by Bragg reflection, the band-gap centre is obtained; then the modelling of band-gap of one dimension photonic crystal is conducted as well, the result is in agreement with the Bragg results and shows that the centre of photonic band-gap shifts to larger wavelength with higher refractive index (RI) ratio or dimension ratio between the two component dielectrics, but the involved boundary condition in simulation leads to higher onset RI ratio (3.5) responsible for the presence of photonic band-gap. This work would be useful to the design and fabrication of photonic crystal devices.

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Published date: 26 August 2009
Additional Information: Event Dates: 15–17 April 2009
Venue - Dates: DIELECTRICS 2009: MEASUREMENT ANALYSIS AND APPLICATIONS, 40TH ANNIVERSARY MEETING, United Kingdom, 2009-04-15 - 2009-04-17
Organisations: EEE

Identifiers

Local EPrints ID: 267807
URI: http://eprints.soton.ac.uk/id/eprint/267807
PURE UUID: 053ac713-cdb6-4670-931c-93bfd5e7a5b3

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Date deposited: 26 Aug 2009 14:53
Last modified: 04 Nov 2019 20:45

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