Kerr nonlinear switching in a hybrid silica-silicon microspherical resonator | Zendy

F. H. Suhailin | Zendy; N. Healy | Zendy; Yohann Franz | Zendy; M. Sumetsky | Zendy; John Ballato | Zendy; Andrew Dibbs | Zendy; Ursula J. Gibson | Zendy; Anna C. Peacock | Zendy

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Kerr nonlinear switching in a hybrid silica-silicon microspherical resonator

Author(s) -

F. H. Suhailin,

N. Healy,

Yohann Franz,

M. Sumetsky,

John Ballato,

Andrew Dibbs,

Ursula J. Gibson,

Anna C. Peacock

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.017263

Subject(s) - resonator , materials science , optics , whispering gallery wave , cladding (metalworking) , femtosecond , kerr effect , silicon , nonlinear optics , optical fiber , wavelength , optoelectronics , core (optical fiber) , q factor , laser , nonlinear system , composite material , physics , quantum mechanics

A hybrid silicon-core, silica-clad microspherical resonator has been fabricated from the semiconductor core fiber platform. Linear and nonlinear characterization of the resonator properties have shown it to exhibit advantageous properties associated with both materials, with the low loss cladding supporting high quality (Q) factor whispering gallery modes which can be tuned through the nonlinear response of the crystalline core. By exploiting the large wavelength shift associated with the Kerr nonlinearity, we have demonstrated all-optical modulation of a weak probe on the timescale of the femtosecond pump pulse. This novel geometry offers a route to ultra-low loss, high-Q silica-based resonators with enhanced functionality.

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