SAMOP 2021 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 2: Nano-Optics and Optomechanics
Q 2.5: Poster
Montag, 20. September 2021, 16:30–18:30, P
Polymer drum resonators in fiber Fabry-Perot cavities — Lukas Tenbrake1, Alexander Faßbender2, Sebastian Hofferberth1, Stefan Linden2, and •Hannes Pfeifer1 — 1Institute of Applied Physics, University of Bonn, Germany — 2Institute of Physics, University of Bonn, Germany
Cavity optomechanical experiments have been demonstrated on a wide range of experimental platforms during the past years. Record optomechanical coupling strengths were reached in micro- and nanophotonic realizations, which require elaborate techniques for interfacing and are limited in scaling towards multimode systems, tunability and flexibility. Here, we demonstrate a cavity optomechanical experiment that uses 3D laser written polymer structures inside fiber Fabry-Perot cavities. First experiments show vacuum coupling strengths of 10 kHz at mechanical mode frequencies of 1 MHz. The extreme flexibility of the laser writing process allows for a direct integration of the mechanical resonator into the microscopic cavity. The ease of interfacing the system through the direct fiber coupling, its scaling capabilities to larger systems with coupled resonators, and the possible integration of electrodes makes it a promising platform for upcoming challenges in cavity optomechanics. Fiber-tip integrated accelerometers, directly fiber coupled systems for microwave to optics conversion or large systems of coupled mechanical resonators are in reach.