All-optical switching in silicon-on-insulator photonic wire nano-cavities

Michele Belotti, Matteo Galli, Dario Gerace, Claudio Lucio Andreani, Giorgio Guizzetti, Md Zain Ahmad Rifqi, Nigel P. Johnson, Marc Sorel, Richard M. De La Rue

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

We report on experimental demonstration of all-optical switching in a silicon-on-insulator photonic wire nanocavity operating at telecom wavelengths. The switching is performed with a control pulse energy as low as ∼ 0.1 pJ on a cavity device that presents very high signal transmission, an ultra-high quality-factor, almost diffraction-limited modal volume and a footprint of only 5 μm2. High-speed modulation of the cavity mode is achieved by means of optical injection of free carriers using a nanosecond pulsed laser. Experimental results are interpreted by means of finite-difference time-domain simulations. The possibility of using this device as a logic gate is also demonstrated.

Original languageEnglish
Pages (from-to)1450-1461
Number of pages12
JournalOptics Express
Volume18
Issue number2
DOIs
Publication statusPublished - 18 Jan 2010
Externally publishedYes

Fingerprint

optical switching
insulators
wire
photonics
cavities
signal transmission
silicon
footprints
logic
Q factors
pulsed lasers
high speed
injection
modulation
pulses
diffraction
wavelengths
simulation
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Belotti, M., Galli, M., Gerace, D., Andreani, C. L., Guizzetti, G., Ahmad Rifqi, M. Z., ... De La Rue, R. M. (2010). All-optical switching in silicon-on-insulator photonic wire nano-cavities. Optics Express, 18(2), 1450-1461. https://doi.org/10.1364/OE.18.001450

All-optical switching in silicon-on-insulator photonic wire nano-cavities. / Belotti, Michele; Galli, Matteo; Gerace, Dario; Andreani, Claudio Lucio; Guizzetti, Giorgio; Ahmad Rifqi, Md Zain; Johnson, Nigel P.; Sorel, Marc; De La Rue, Richard M.

In: Optics Express, Vol. 18, No. 2, 18.01.2010, p. 1450-1461.

Research output: Contribution to journalArticle

Belotti, M, Galli, M, Gerace, D, Andreani, CL, Guizzetti, G, Ahmad Rifqi, MZ, Johnson, NP, Sorel, M & De La Rue, RM 2010, 'All-optical switching in silicon-on-insulator photonic wire nano-cavities', Optics Express, vol. 18, no. 2, pp. 1450-1461. https://doi.org/10.1364/OE.18.001450
Belotti M, Galli M, Gerace D, Andreani CL, Guizzetti G, Ahmad Rifqi MZ et al. All-optical switching in silicon-on-insulator photonic wire nano-cavities. Optics Express. 2010 Jan 18;18(2):1450-1461. https://doi.org/10.1364/OE.18.001450
Belotti, Michele ; Galli, Matteo ; Gerace, Dario ; Andreani, Claudio Lucio ; Guizzetti, Giorgio ; Ahmad Rifqi, Md Zain ; Johnson, Nigel P. ; Sorel, Marc ; De La Rue, Richard M. / All-optical switching in silicon-on-insulator photonic wire nano-cavities. In: Optics Express. 2010 ; Vol. 18, No. 2. pp. 1450-1461.
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