Kerr nonlinear switching in a hybrid silicasilicon microspherical resonator

F.H. Suhailin; N. Healy; Y. Franz; M. Sumetsky; J. Ballato; A.N. Dibbs; U.J. Gibson; A.C. Peacock

doi:10.1364/OE.23.017263

Kerr nonlinear switching in a hybrid silicasilicon microspherical resonator

F.H. Suhailin, N. Healy, Y. Franz, M. Sumetsky, J. Ballato, A.N. Dibbs, U.J. Gibson, A.C. Peacock

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	17263-17268
Number of pages	6
Journal	Optics Express
Volume	23
Issue number	13
DOIs	https://doi.org/10.1364/OE.23.017263
Publication status	Published - 24 Jun 2015

Bibliographical note

Funding: EPSRC (EP/J004863/1), NORFAB (70201900/NL0133) and the
Norwegian Discovery Fund (2011112).
The data for this work is accessible through the University of Southampton Institutional Research Repository (DOI:10.5258/SOTON/377985).

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title = "Kerr nonlinear switching in a hybrid silicasilicon microspherical resonator",

abstract = "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.",

author = "F.H. Suhailin and N. Healy and Y. Franz and M. Sumetsky and J. Ballato and A.N. Dibbs and U.J. Gibson and A.C. Peacock",

note = "Funding: EPSRC (EP/J004863/1), NORFAB (70201900/NL0133) and the Norwegian Discovery Fund (2011112). The data for this work is accessible through the University of Southampton Institutional Research Repository (DOI:10.5258/SOTON/377985). ",

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doi = "10.1364/OE.23.017263",

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AU - Suhailin, F.H.

AU - Healy, N.

AU - Franz, Y.

AU - Sumetsky, M.

AU - Ballato, J.

AU - Dibbs, A.N.

AU - Gibson, U.J.

AU - Peacock, A.C.

N1 - Funding: EPSRC (EP/J004863/1), NORFAB (70201900/NL0133) and the Norwegian Discovery Fund (2011112). The data for this work is accessible through the University of Southampton Institutional Research Repository (DOI:10.5258/SOTON/377985).

PY - 2015/6/24

Y1 - 2015/6/24

N2 - 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.

AB - 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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Kerr nonlinear switching in a hybrid silicasilicon microspherical resonator

Abstract

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