Heidelberg 2015 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 62: Poster: Quantum Optics and Photonics III
Q 62.81: Poster
Thursday, March 26, 2015, 17:00–19:00, C/Foyer
Efficiency in WGM-Electro-Optic Modulators — •Alfredo Rueda1,2,3, Florian Sedlmeir1,2,3, Gerd Leuchs1,2, and Harald G. L. Schwefel1,2,3 — 1Max Planck Institute for the Science of Light, 91058 Erlangen, Germany — 2Intitute for Optics, Information and Photonics, University of Erlangen-Nuremberg, Germany — 3SAOT, School of Advanced Optical Technologies, University of Erlangen-Nuremberg, Germany
The design of an efficient coherent link between telecom and microwave frequencies is an important task due to its impact in quantum communications.Nowadays there are many options to realize such systems, which require different schemes to describe them. We focus on second order non-linear interactions in an all resonant lithium niobate whispering gallery modes resonators. These systems are ideal due to their high quality factors at telecom frequencies (Q∝ 108) and their high χ(2) constant. In order to describe the dynamic of these devices different detuning schemes of the optical and microwave fields will be theoretically investigated. We review the basic schemes in the classical and quantum description and calculate some of the relevant configurations. Of particular interest is the configuration for maximal photon conversion efficiency and maximal modulation intensity of each detuning scheme. From this, we can optimize this system to realize a single photon microwave detector or to improve its role as highly efficient light modulator.