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26 July 2016 High-resolution spectral and displacement sensing using nano-opto-electro-mechanical systems (Conference Presentation)
Andrea Fiore, Zarko Zobenica, Rob W. van der Heijden, Maurangelo Petruzzella, Francesco Pagliano, Rick Leijssen, Ewold Verhagen, Tian Xia, Leonardo Midolo, YongJin Cho, Frank van Otten
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Proceedings Volume 9884, Nanophotonics VI; 98840D (2016) https://doi.org/10.1117/12.2227615
Event: SPIE Photonics Europe, 2016, Brussels, Belgium
Abstract
Nanophotonic structures with narrow optical resonances, such as high-quality factor photonic crystal cavities, in principle enable spectral sensing with high resolution. This can also result in high-sensitivity displacement and/or acceleration sensing if a part of the cavity is compliant. However, the control of the resonance and its optical read-out are complex and usually not integrated with the sensing part. In this talk we will introduce a novel nano-opto-electromechanical system (NOEMS), where actuation, sensing and read-out are integrated in the same device. It consists of a double-membrane photonic crystal cavity, where the resonant wavelength is tuned by electrostatically controlling the separation between the membranes. The output current signal provides direct information about either the wavelength of the incident light or the cavity resonance. This nanophotonic sensing system can be employed to measure the spectrum of incident light, to determine the wavelength of a laser line with pm-range resolution, or equivalently to measure tiny displacements.
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Andrea Fiore, Zarko Zobenica, Rob W. van der Heijden, Maurangelo Petruzzella, Francesco Pagliano, Rick Leijssen, Ewold Verhagen, Tian Xia, Leonardo Midolo, YongJin Cho, and Frank van Otten "High-resolution spectral and displacement sensing using nano-opto-electro-mechanical systems (Conference Presentation)", Proc. SPIE 9884, Nanophotonics VI, 98840D (26 July 2016); https://doi.org/10.1117/12.2227615
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KEYWORDS
Sensing systems
Nanophotonics
Photonic crystals
Integrated optics
Spectral resolution
Atomic, molecular, and optical physics
Current controlled current source
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