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Recent developments in the design and fabrication of visible photonic band gap waveguide devices

Recent developments in the design and fabrication of visible photonic band gap waveguide devices
Recent developments in the design and fabrication of visible photonic band gap waveguide devices
In this paper, we present the design, fabrication and initial optical testing of dielectric waveguide devices which incorporate photonic crystals with photonic band gaps (PBG) in the visible region of the spectrum. In the design of our devices we use a full three-dimensional plane wave analysis to solve the photonic band structure simultaneously with the dielectric waveguide boundary conditions for a fixed lattice and waveguide geometry. This takes into account the finite thickness of the waveguide core, and the evanescent wave in the dielectric cladding layers. Furthermore, we explain how the effective Bloch mode index can be extracted from the results. This enables us to tackle important problems associated with mode coupling between the input waveguide and guided Bloch modes within the porous PBG region, such as Fresnel reflections at the interface and up-scattering from the holes. Finally, we present the recent fabrication of quasi-periodic photonic crystals and PBG waveguide bends.
0957-4522
429–440
Charlton, M.D.B.
fcf86ab0-8f34-411a-b576-4f684e51e274
Zoorob, Majd E.
5917e55e-58ba-49c6-b801-f9aa1573850a
Parker, G.J.
edf88b88-ba05-48a5-8ae4-d6d6aa984364
Charlton, M.D.B.
fcf86ab0-8f34-411a-b576-4f684e51e274
Zoorob, Majd E.
5917e55e-58ba-49c6-b801-f9aa1573850a
Parker, G.J.
edf88b88-ba05-48a5-8ae4-d6d6aa984364

Charlton, M.D.B., Zoorob, Majd E. and Parker, G.J. (1999) Recent developments in the design and fabrication of visible photonic band gap waveguide devices. Journal of Materials Science: Materials in Electronics, 10 (5-6), 429–440. (doi:10.1023/A:1008970112219).

Record type: Article

Abstract

In this paper, we present the design, fabrication and initial optical testing of dielectric waveguide devices which incorporate photonic crystals with photonic band gaps (PBG) in the visible region of the spectrum. In the design of our devices we use a full three-dimensional plane wave analysis to solve the photonic band structure simultaneously with the dielectric waveguide boundary conditions for a fixed lattice and waveguide geometry. This takes into account the finite thickness of the waveguide core, and the evanescent wave in the dielectric cladding layers. Furthermore, we explain how the effective Bloch mode index can be extracted from the results. This enables us to tackle important problems associated with mode coupling between the input waveguide and guided Bloch modes within the porous PBG region, such as Fresnel reflections at the interface and up-scattering from the holes. Finally, we present the recent fabrication of quasi-periodic photonic crystals and PBG waveguide bends.

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More information

Published date: July 1999
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 252649
URI: http://eprints.soton.ac.uk/id/eprint/252649
ISSN: 0957-4522
PURE UUID: 9c084ac4-84b1-4dcd-80cd-a5f04b056f33

Catalogue record

Date deposited: 09 Mar 2000
Last modified: 16 Mar 2024 01:22

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Contributors

Author: M.D.B. Charlton
Author: Majd E. Zoorob
Author: G.J. Parker

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