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Proceedings Paper

Sensitivity enhanced biophotonic sensor utilizing sub-wavelength gratings
Author(s): Mukesh Yadav; Jens Høvik; Dag Roar Hjelme; Astrid Aksnes
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Paper Abstract

We present a sensor design based on a Mach-Zehnder interferometer utilizing sub-wavelength gratings (SWGs) that were included in the waveguide to compensate for the short optical path length and to provide phase modulation. According to 2D finite element method simulations, it is possible to achieve 3-fold enhancement in sensitivity and 50% increase in modulation frequency with the inclusion of SWGs in the sensing arm as well as in the reference arm.

Paper Details

Date Published: 18 September 2018
PDF: 5 pages
Proc. SPIE 10729, Optical Sensing, Imaging, and Photon Counting: From X-Rays to THz, 107290N (18 September 2018); doi: 10.1117/12.2321165
Show Author Affiliations
Mukesh Yadav, Norwegian Univ. of Science and Technology (Norway)
Jens Høvik, Norwegian Univ. of Science and Technology (Norway)
Dag Roar Hjelme, Norwegian Univ. of Science and Technology (Norway)
Astrid Aksnes, Norwegian Univ. of Science and Technology (Norway)


Published in SPIE Proceedings Vol. 10729:
Optical Sensing, Imaging, and Photon Counting: From X-Rays to THz
Oleg Mitrofanov; Chee Hing Tan; José Luis Pau Vizcaíno; Manijeh Razeghi, Editor(s)

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