Strong optomechanical interaction in a bilayer photonic crystal

Young Geun Roh; Takasumi Tanabe; Akihiko Shinya; Hideaki Taniyama; Eiichi Kuramochi; Shinji Matsuo; Tomonari Sato; Masaya Notomi

doi:10.1103/PhysRevB.81.121101

Strong optomechanical interaction in a bilayer photonic crystal

Young Geun Roh, Takasumi Tanabe, Akihiko Shinya, Hideaki Taniyama, Eiichi Kuramochi, Shinji Matsuo, Tomonari Sato, Masaya Notomi

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

48 Citations (Scopus)

Abstract

We fabricated bilayer photonic crystal (PhC) as large as 20×30 μm possessing 200-nm-thick slabs and a 200-nm-thick air gap. Input power dependence of reflectance spectra indicates air gap reduction by 3.6 nm. Combining it with finite element method calculation we estimate optomechanically generated force per unit stored energy as 0.4 μN/pJ, exhibiting strong optomechanical coupling. RF spectrum of reflected light reveals intensity modulation by thermal vibration of bilayer PhC, which also shows strong interaction of optical resonance mode and mechanical mode of bilayer PhC

Original language	English
Article number	121101
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.81.121101
Publication status	Published - 2010 Mar 9
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.81.121101

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title = "Strong optomechanical interaction in a bilayer photonic crystal",

abstract = "We fabricated bilayer photonic crystal (PhC) as large as 20×30 μm possessing 200-nm-thick slabs and a 200-nm-thick air gap. Input power dependence of reflectance spectra indicates air gap reduction by 3.6 nm. Combining it with finite element method calculation we estimate optomechanically generated force per unit stored energy as 0.4 μN/pJ, exhibiting strong optomechanical coupling. RF spectrum of reflected light reveals intensity modulation by thermal vibration of bilayer PhC, which also shows strong interaction of optical resonance mode and mechanical mode of bilayer PhC",

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AU - Roh, Young Geun

AU - Tanabe, Takasumi

AU - Shinya, Akihiko

AU - Taniyama, Hideaki

AU - Kuramochi, Eiichi

AU - Matsuo, Shinji

AU - Sato, Tomonari

AU - Notomi, Masaya

PY - 2010/3/9

Y1 - 2010/3/9

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AB - We fabricated bilayer photonic crystal (PhC) as large as 20×30 μm possessing 200-nm-thick slabs and a 200-nm-thick air gap. Input power dependence of reflectance spectra indicates air gap reduction by 3.6 nm. Combining it with finite element method calculation we estimate optomechanically generated force per unit stored energy as 0.4 μN/pJ, exhibiting strong optomechanical coupling. RF spectrum of reflected light reveals intensity modulation by thermal vibration of bilayer PhC, which also shows strong interaction of optical resonance mode and mechanical mode of bilayer PhC

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Strong optomechanical interaction in a bilayer photonic crystal

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