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Proceedings Paper

Experimental demonstration of on-chip optical parametric oscillation in planar tantalum pentoxide waveguides
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Paper Abstract

Tantalum pentoxide ( Ta2O5 ) planar waveguides have recently been shown to possess unusually large nonlinearities, and nonlinear Kerr coefficient (n2), leading to potential applications in nonlinear integrated optics, such as supercontinuum generation. In this paper, we report the experimental demonstration of a third-order susceptibility (χ(3)) governed nonlinear optical parametric process within a 7 mm long planar tantalum pentoxide waveguide using a pump-probe configuration. When pumped at 800 nm, and seeded in the near infra-red (IR) the waveguides allow parametric conversion giving rise to signal photons in the visible spectrum. By seeding the parametric conversion process in the 1200 to 1600 nm IR telecoms range, we obtain continuously tunable output over the visible range (533 to 600 nm) from a single guide.

Paper Details

Date Published: 18 August 2010
PDF: 5 pages
Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 778108 (18 August 2010); doi: 10.1117/12.860614
Show Author Affiliations
Ruiqi Y. Chen, Univ. of Southampton (United Kingdom)
Martin D. B. Charlton, Univ. of Southampton (United Kingdom)
Pavlos G. Lagoudakis, Univ. of Southampton (United Kingdom)


Published in SPIE Proceedings Vol. 7781:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV
Shizhuo Yin; Ruyan Guo, Editor(s)

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