Optomechanical sensing on a fiber-tip (Conference Presentation)

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DOI http://dx.doi.org/10.1117/12.2606052
Reference A.L. Hendriks, L. Picelli, G. Lindgren, A. van Klinken, K.D. Hakkel, F. Pagliano, P.J. van Veldhoven, E. Verhagen and A. Fiore: Optomechanical sensing on a fiber-tip (Conference Presentation) In: Proc. SPIE PC12016, Optical and Quantum Sensing and Precision Metrology II, SPIE-The International Society for Optics and Photonics, 2022.
Group Photonic Forces

Nano-optomechanical structures enable displacement and force sensing with ultimate precision, but their practical application is hindered by the complexity of the optical coupling. Here, we demonstrate that nano-optomechanical sensing can be realized on a fiber-tip without the use of any coupling optics. We use a photonic crystal optomechanical structure fabricated using standard wafer-scale processing. Afterwards the sensors are transferred on a fiber-tip using a simple pickup method. We demonstrate thermomechanical noise measurements with a high signal to noise ratio, using simple reflectance read-out via the fiber.