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Ultracompact, low-power and ultrafast optical switching based on silicon photonic crystals

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Date

2009

Authors

Beggs, Daryl M.
Kampfrath, Tobias
Burresi, M.
van Oosten, D.
White, Thomas
O'Faolain, Liam
Krauss, Thomas F.
Kuipers, L. (Kobus)

Journal Title

Journal ISSN

Volume Title

Publisher

IEEE

Abstract

We demonstrate a silicon optical switch that can reroute optical signals within a switching time of just 3 ps. The switch is based on photonic crystal waveguides in a directional coupler geometry. The dispersion of the device has been engineered to provide slow-light enhancement, which allows the switching length of the device to be just 5 p.m. The 3 ps switching time is demonstrated using freecarriers in the silicon generated by the absorption of a femtosecond laser pulse.

Description

Keywords

Keywords: Optical buffer; Optical switching; Photonic crystal waveguide; Pump-probe; Ultra-fast; Directional couplers; Laser optics; Optical switches; Optical waveguides; Probes; Pulsed laser applications; Pumps; Slow light; Switching; Ultrashort pulses; Waveguides Directional coupler; Optical buffer; Optical switching; Photonic crystal waveguides; Pump-probe; Slow light; Ultrafast

Citation

URI

http://hdl.handle.net/1885/84325

Collections

ANU Research Publications

Source

IEEE International Conference on Group IV Photonics GFP

Type

Conference paper

Book Title

Entity type

Access Statement

License Rights

DOI

10.1109/GROUP4.2009.5338295

Restricted until

2037-12-31

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Description
01_Beggs_Ultracompact,_low-power_and_2009.pdf (538.64 KB)

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