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

Ruiqi Y. Chen; Martin D. B. Charlton; Pavlos G. Lagoudakis

doi:10.1117/12.860614

17 August 2010 Experimental demonstration of on-chip optical parametric oscillation in planar tantalum pentoxide waveguides

Ruiqi Y. Chen, Martin D. B. Charlton, Pavlos G. Lagoudakis

Author Affiliations +

Proceedings Volume 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV; 778108 (2010) https://doi.org/10.1117/12.860614
Event: SPIE Photonic Devices + Applications, 2010, San Diego, California, United States

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.

Citation Download Citation

Ruiqi Y. Chen, Martin D. B. Charlton, and Pavlos G. Lagoudakis "Experimental demonstration of on-chip optical parametric oscillation in planar tantalum pentoxide waveguides", Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 778108 (17 August 2010); https://doi.org/10.1117/12.860614

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