Acousto-optical multiple interference devices | Zendy

Markus Beck | Zendy; M. M. de Lima | Zendy; P. V. Santos | Zendy

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Acousto-optical multiple interference devices

Author(s) -

Markus Beck,

M. M. de Lima,

P. V. Santos

Publication year - 2008

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.2821306

Subject(s) - interference (communication) , modulation (music) , acoustic wave , harmonics , optics , astronomical interferometer , physics , wavelength , acoustics , optoelectronics , interferometry , telecommunications , computer science , channel (broadcasting) , quantum mechanics , voltage

We present a new concept for waveguide acousto-optical devices based on coupled Mach Zehnder interferometers driven by acoustic waves. These acousto-optical multiple interference devices use the periodic refractive index modulation induced by the acoustic wave to realize functionalities such as ON/OFF switching for an arbitrary time interval, as well as for efficient light modulation at high harmonics of the acoustic frequency and pulse shaping for, e.g., integrated Q-switches. We also discuss application of the concepts to light modulation by very high acoustic frequencies, where the acoustic wavelengths become much shorter than the optical ones

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