A strongly coupled Λ-type micromechanical system

Hajime Okamoto; Ryan Schilling; Hendrik Schütz; Vivishek Sudhir; Dalziel J. Wilson; Hiroshi Yamaguchi; Tobias J. Kippenberg

doi:10.1063/1.4945741

A strongly coupled Λ-type micromechanical system

Hajime Okamoto, Ryan Schilling, Hendrik Schütz, Vivishek Sudhir, Dalziel J. Wilson, Hiroshi Yamaguchi, Tobias J. Kippenberg

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

We study a classical Λ-type three-level system based on three high-Q micromechanical beam resonators embedded in a gradient electric field. By modulating the strength of the field at the difference frequency between adjacent beam modes, we realize strong dynamic two-mode coupling, via the dielectric force. Driving adjacent pairs simultaneously, we observe the formation of a purely mechanical "dark" state and an all-phononic analog of coherent population trapping - signatures of strong three-mode coupling. The Λ-type micromechanical system is a natural extension of previously demonstrated "two-level" micromechanical systems and adds to the toolbox for engineering of all-phononic micromechanical circuits and arrays.

Original language	English (US)
Article number	153105
Journal	Applied Physics Letters
Volume	108
Issue number	15
DOIs	https://doi.org/10.1063/1.4945741
State	Published - Apr 11 2016
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "A strongly coupled Λ-type micromechanical system",

abstract = "We study a classical Λ-type three-level system based on three high-Q micromechanical beam resonators embedded in a gradient electric field. By modulating the strength of the field at the difference frequency between adjacent beam modes, we realize strong dynamic two-mode coupling, via the dielectric force. Driving adjacent pairs simultaneously, we observe the formation of a purely mechanical {"}dark{"} state and an all-phononic analog of coherent population trapping - signatures of strong three-mode coupling. The Λ-type micromechanical system is a natural extension of previously demonstrated {"}two-level{"} micromechanical systems and adds to the toolbox for engineering of all-phononic micromechanical circuits and arrays.",

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AU - Okamoto, Hajime

AU - Schilling, Ryan

AU - Schütz, Hendrik

AU - Sudhir, Vivishek

AU - Wilson, Dalziel J.

AU - Yamaguchi, Hiroshi

AU - Kippenberg, Tobias J.

PY - 2016/4/11

Y1 - 2016/4/11

N2 - We study a classical Λ-type three-level system based on three high-Q micromechanical beam resonators embedded in a gradient electric field. By modulating the strength of the field at the difference frequency between adjacent beam modes, we realize strong dynamic two-mode coupling, via the dielectric force. Driving adjacent pairs simultaneously, we observe the formation of a purely mechanical "dark" state and an all-phononic analog of coherent population trapping - signatures of strong three-mode coupling. The Λ-type micromechanical system is a natural extension of previously demonstrated "two-level" micromechanical systems and adds to the toolbox for engineering of all-phononic micromechanical circuits and arrays.

AB - We study a classical Λ-type three-level system based on three high-Q micromechanical beam resonators embedded in a gradient electric field. By modulating the strength of the field at the difference frequency between adjacent beam modes, we realize strong dynamic two-mode coupling, via the dielectric force. Driving adjacent pairs simultaneously, we observe the formation of a purely mechanical "dark" state and an all-phononic analog of coherent population trapping - signatures of strong three-mode coupling. The Λ-type micromechanical system is a natural extension of previously demonstrated "two-level" micromechanical systems and adds to the toolbox for engineering of all-phononic micromechanical circuits and arrays.

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A strongly coupled Λ-type micromechanical system

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