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Theoretical designs for novel photonic crystal nanocavities with Si (111) interfaces

Theoretical designs for novel photonic crystal nanocavities with Si (111) interfaces
Theoretical designs for novel photonic crystal nanocavities with Si (111) interfaces
We designed a series of Photonic Crystal (PhC) nano-cavities using atomically flat silicon (111) interfaces and examined the impacts of the surfaces on the optical confinement. The nanocavities were simulated using the 3D finite-difference time-domain method and assessed against existing PhCs. Despite the design restrictions, we showed that a Q value up to 115,800 and Q/V values of 10^(3)-10^(5) λ^(-3) are achievable without further design optimisation. The results suggest that silicon (111) surfaces can be used for fabricating PhC nanocavity-based devices in a practical and economical way with high manufacturing tolerance and increased repeatability.
Etching, nanofabrication, photonic crystals, silicon-on-insulator
1569-4410
1-7
Prasmusinto, Alyssa
ff88144e-545a-471d-b92c-f31064a33a44
Sotto, Moise, Sala Henri
2e7797fc-4433-4513-bd08-03ab7839452c
Al-Attili, Abdelrahman, Zaher M R
534a1c1f-3f8c-4a78-b71b-50c156e23373
Debnath, Kapil
aa01749d-524b-4464-b90a-af072e92a02f
Saito, Shinichi
14a5d20b-055e-4f48-9dda-267e88bd3fdc
Prasmusinto, Alyssa
ff88144e-545a-471d-b92c-f31064a33a44
Sotto, Moise, Sala Henri
2e7797fc-4433-4513-bd08-03ab7839452c
Al-Attili, Abdelrahman, Zaher M R
534a1c1f-3f8c-4a78-b71b-50c156e23373
Debnath, Kapil
aa01749d-524b-4464-b90a-af072e92a02f
Saito, Shinichi
14a5d20b-055e-4f48-9dda-267e88bd3fdc

Prasmusinto, Alyssa, Sotto, Moise, Sala Henri, Al-Attili, Abdelrahman, Zaher M R, Debnath, Kapil and Saito, Shinichi (2017) Theoretical designs for novel photonic crystal nanocavities with Si (111) interfaces. Photonics and Nanostructures - Fundamentals and Applications, 26, 1-7. (doi:10.1016/j.photonics.2017.02.005).

Record type: Article

Abstract

We designed a series of Photonic Crystal (PhC) nano-cavities using atomically flat silicon (111) interfaces and examined the impacts of the surfaces on the optical confinement. The nanocavities were simulated using the 3D finite-difference time-domain method and assessed against existing PhCs. Despite the design restrictions, we showed that a Q value up to 115,800 and Q/V values of 10^(3)-10^(5) λ^(-3) are achievable without further design optimisation. The results suggest that silicon (111) surfaces can be used for fabricating PhC nanocavity-based devices in a practical and economical way with high manufacturing tolerance and increased repeatability.

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Accepted/In Press date: 13 February 2017
e-pub ahead of print date: 10 May 2017
Published date: September 2017
Keywords: Etching, nanofabrication, photonic crystals, silicon-on-insulator
Organisations: Nanoelectronics and Nanotechnology, Electronics & Computer Science

Identifiers

Local EPrints ID: 406427
URI: http://eprints.soton.ac.uk/id/eprint/406427
ISSN: 1569-4410
PURE UUID: 1483130b-77df-479a-87fd-cf4f4a425d2a
ORCID for Shinichi Saito: ORCID iD orcid.org/0000-0003-1539-1182

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Date deposited: 10 Mar 2017 10:47
Last modified: 07 Oct 2020 06:57

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