Comparison of amplification via the acousto-electric effect of Rayleigh and Leaky-SAW modes in a monolithic surface InP:InGaAs/lithium niobate heterostructure

This paper demonstrates a monolithic surface acoustic wave amplifier fabricated by state-of-the-art heterogenous integration of a III-V InGaAs-based epitaxial material stack and LiNbO 3 . We compare amplification of Raleigh-SAW and leaky-SAW modes on a on Y-cut, X-propagating delay line amplifier. D...

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Bibliographic Details
Published in:Ferroelectrics 2020-03, Vol.557 (1), p.58-65
Main Authors: Siddiqui, Aleem M., Hackett, Lisa P., Dominguez, Daniel, Tauke-Pedretti, Anna, Friedmann, Tom, Peake, Gregory, Miller, Michael R., Douglas, James K., Eichenfield, Matt
Format: Article
Language:English
Subjects:
Acousto-electric effect
Amplification
Amplifiers
Delay lines
ENGINEERING
heterogeneous integration
Heterostructures
Lithium
Lithium niobates
Piezoelectricity
Surface acoustic waves
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Summary:This paper demonstrates a monolithic surface acoustic wave amplifier fabricated by state-of-the-art heterogenous integration of a III-V InGaAs-based epitaxial material stack and LiNbO 3 . We compare amplification of Raleigh-SAW and leaky-SAW modes on a on Y-cut, X-propagating delay line amplifier. Due to the superior properties of the materials employed, we observe a net terminal gain of 3dB for an LSAW overtone mode This platform enables further advances in active and non-reciprocal piezoelectric acoustic devices.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150193.2020.1713363