Hannover 2013 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 54: Quantum information: Photons and nonclassical light I

Q 54.4: Vortrag

Donnerstag, 21. März 2013, 15:00–15:15, E 001

Wavelength tunability of a triply resonant whispering gallery optical parametric oscillator — •Gerhard Schunk, Michael Förtsch, Josef Fürst, Dmitry Strekalov, Florian Sedlmeir, Harald Schwefel, Christoph Marquardt, and Gerd Leuchs — Max Planck Institute for the Science of Light, Institute for Optics, Information and Photonics, University Erlangen-Nuremberg, Erlangen, Germany

Lithium Niobate whispering gallery mode resonators (WGMR) offer high finesse and small mode volume leading to strong field enhancement for all wavelengths within the transparency window of the medium. Hence, optical parametric oscillators (OPO) based on WGMRs offer high efficiency as well as high stability and control over wavelength and bandwidth.

The process of parametric down conversion (PDC) has been demonstrated in a z-cut WGMR near the degenerate emission at 1064 nm [1,2,3]. The ongoing project aims for the analysis of wavelength tuning in this triply resonant OPO for applications in quantum optics. In particular, the focus lies on bridging the gap between atomic transitions (resonant idler photon) and telecom wavelengths (signal photon).