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Proceedings Paper

Hybrid microspheres for nonlinear Kerr switching applications
Author(s): S. Berneschi; I. Razdolskiy; T. V. Murzina; A. Barucci; F. Cosi; G. Nunzi Conti; S. Soria
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Paper Abstract

Electronic Kerr effect in a polyfluorene derivative is used to reversibly switch near infrared probe beam resonantly coupled to a hybrid polymer-silica microspherical resonator. NIR pumping at 780 nm in pulsed laser regime is used for non-linear switching of the WGM resonances that shift as much as 2 GHz for 50 mW of average pump power, compared to a shift of 250 MHz for the same average pump power at CW regime. The absence of temporal drift and the magnitude of this shift confirm the Kerr nature of the switching, ruling out thermooptical effects.

Paper Details

Date Published: 7 February 2012
PDF: 8 pages
Proc. SPIE 8236, Laser Resonators, Microresonators, and Beam Control XIV, 82361V (7 February 2012); doi: 10.1117/12.910186
Show Author Affiliations
S. Berneschi, Museo Storico della Fisica e Ctr. Studi e Ricerche E. Fermi (Italy)
Istituto di Fisica Applicata Nello Carrara (Italy)
I. Razdolskiy, Lomonosov Moscow State Univ. (Russian Federation)
T. V. Murzina, Lomonosov Moscow State Univ. (Russian Federation)
A. Barucci, Istituto di Fisica Applicata Nello Carrara (Italy)
F. Cosi, Istituto di Fisica Applicata Nello Carrara (Italy)
G. Nunzi Conti, Istituto di Fisica Applicata Nello Carrara (Italy)
S. Soria, Istituto di Fisica Applicata Nello Carrara (Italy)


Published in SPIE Proceedings Vol. 8236:
Laser Resonators, Microresonators, and Beam Control XIV
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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