Sensing light and sound velocities with phoxonic crystals | Zendy

Samira Amoudache | Zendy; Rayisa P. Moiseyenko | Zendy; Yan Pennec | Zendy; B. Djafari Rouhani | Zendy; Antoine Khater | Zendy; Ralf Lucklum | Zendy; R. Tigrine | Zendy

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Sensing light and sound velocities with phoxonic crystals

Author(s) -

Samira Amoudache,

Rayisa P. Moiseyenko,

Yan Pennec,

B. Djafari Rouhani,

Antoine Khater,

Ralf Lucklum,

R. Tigrine

Publication year - 2014

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.2044855

Subject(s) - nanosensor , materials science , photonic crystal , optics , transmission (telecommunications) , acoustic wave , perpendicular , slab , acoustics , optoelectronics , physics , nanotechnology , geometry , engineering , mathematics , geophysics , electrical engineering

We study theoretically the potentiality of dual phononic-photonic (the so-called phoxonic) crystals for liquid sensing applications. We investigate the existence of well-defined features (peaks or dips) in the transmission spectra of acoustic and optical waves and estimate their sensitivity to the sound and light velocities of the liquid environment. Two different sensors are investigated. In the first one, we study the in-plane transmission through a two-dimensional (2D) crystal made of cylindrical holes in a Si substrate where one row of holes is filled with a liquid. In the second one, the out of plane propagation is investigated when considering the transmission of the incident wave perpendicular to a periodic array of holes in a slab. Such ultra compact structure is shown to be a label-free, affinity-based acoustic and optical nanosensor, useful for biosensing applications in which the amount of analyte can be often limited

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