55 citations · 358 across the 29 of their papers we have counts for
30 papers
Multimode oscillation and its route to chaos in transverse-mode-coupled optomechanical resonators
Motoki Asano, Lalit Maharjan, Hiroshi Yamaguchi
Nonlinear oscillators exhibit rich collective phenomena including synchronization, bifurcation, and chaos. Experimentally accessing multimode nonlinear dynamics, however, remains c…
Optomechanical parametric control of mid-infrared photons via molecular vibrational polariton
Ryoko Sakuma, Koji Sakai, Hajime Okamoto +2
Controlling mid-infrared (MIR) photons using well-developed telecom photonic platforms would enable new functionalities in molecular and quantum photonics. However, establishing ef…
Topological phase dynamics described by overtone-synthesized classical and quantum Adler equations
Hiroshi Yamaguchi, Motoki Asano
The Adler equation is a well-known one-dimensional model describing phase locking and synchronization. Motivated by recent experiments using optomechanical oscillators, we extend t…
Optically tunable nonlinear mechanical damping in an optomechanical resonator
Hideki Arahari, Motoki Asano, Hiroshi Yamaguchi +1
We theoretically propose and experimentally demonstrate optically tunable nonlinear mechanical damping in a cavity optomechanical system utilizing a partly resolved sideband regime…
Synthesized Kuramoto potential via optomechanical Floquet engineering
Motoki Asano, Hajime Okamoto, Hiroshi Yamaguchi
Synchronization is a ubiquitous scientific phenomenon in various physical systems. Here, we examine the feasibility of generating multistable and dynamically tunable synchronizatio…
Near-field optomechanical transduction enhanced by Raman gain
Ryoko Sakuma, Motoki Asano, Hiroshi Yamaguchi +1
Raman-gain-enhanced near-field optomechanical transduction between a movable optical cavity and SiN-membrane resonator is demonstrated. The Raman gain compensates for the intrinsic…
Cavity optomechanical liquid level meter using a twin-microbottle resonator
Motoki Asano, Hiroshi Yamaguchi, Hajime Okamoto
Cavity optomechanical devices can be made to have good compatibility with optical fiber technology by utilizing fiber-based waveguides and cavities and can be used in high-performa…
A fiber-type optomechanical array using high-Q microbottle resonators
Motoki Asano, Hiroshi Yamaguchi, Hajime Okamoto
We demonstrate a fiber-type optomechanical array consisting of elastically interconnected silica microbottle resonators with high-Q optical and mechanical modes. In total, fifty op…
Cavity magnomechanical coupling with coupled magnon modes in a synthetic antiferromagnet
Motoki Asano, Hiroki Matsumoto, Masamitsu Hayashi +1
On-chip cavity magnomechanics is an emerging field exploring acoustic and magnonic functionalities of various ferromagnetic materials and structures using strongly confined phonons…
Quadrature skyrmions in two-dimensionally arrayed parametric resonators
Hiroshi Yamaguchi, Daiki Hatanaka, Motoki Asano
Skyrmions are topological solitons in two-dimensional systems and have been observed in various physical systems. Generating and controlling skyrmions in artificial resonator array…
Cavity optomechanical mass sensor in water with sub-femtogram resolution
Motoki Asano, Hiroshi Yamaguchi, Hajime Okamoto
Sub-femtogram resolution of an in-liquid cavity optomechanical mass sensor based on the twin-microbottle glass resonator is demonstrated. An evaluation of the frequency stability u…
Phononic-crystal cavity magnomechanics
Daiki Hatanaka, Motoki Asano, Hajime Okamoto +1
Establishing a way to control magnetic dynamics and elementary excitations (magnons) is crucial to fundamental physics and the search for novel phenomena and functions in magnetic…
Free-space optomechanical liquid probes using a twin-microbottle resonator
Motoki Asano, Hiroshi Yamaguchi, Hajime Okamoto
Cavity optomechanics provides high-performance sensor technology, and the scheme is also applicable to liquid samples for biological and rheological applications. However, previous…
A Kuramoto Network in a Single Nonlinear Microelectromechanical Device
Samer Houri, Motoki Asano, Hajime Okamoto +1
This work presents a frequency multiplexed 3-limit cycles network in a multimode microelectromechanical nonlinear resonator. The network is composed of libration limit cycles and b…
The Librator: A new dynamical regime for nonlinear microelectromechanical devices
Samer Houri, Motoki Asano, Hajime Okamoto +1
We present a novel mode of operation for Duffing-type nonlinear microelectromechanical (MEMS) devices whereby a self-sustained multi-frequency output is generated. This new librato…
Non-equilibrium quadratic measurement-feedback squeezing in a micromechanical resonator
Motoki Asano, Takuma Aihara, Tai Tsuchizawa +1
Measurement and feedback control of stochastic dynamics has been actively studied for not only stabilizing the system but also for generating additional entropy flows originating i…
Near-field cavity optomechanical coupling in a compound semiconductor nanowire
Motoki Asano, Guoqiang Zhang, Takehiko Tawara +2
A III-V compound semiconductor nanowire is an attractive material for a novel hybrid quantum interface that interconnects photons, electrons, and phonons through a wavelength-tunab…
Multimode internal resonances in a MEMS self-sustained oscillator
S. Houri, D. Hatanaka, M. Asano +1
We investigate the dynamics of a microelectromechanical (MEMS) self-sustained oscillator supporting multiple resonating and interacting modes. In particular, the interaction of the…
Optically probing Schwinger angular momenta in a micromechanical resonator
Motoki Asano, Ryuichi Ohta, Takuma Aihara +3
We report an observation of phononic Schwinger angular momenta, which fully represent twomode states in a micromechanical resonator. This observation is based on simultaneous optic…
Limit cycles and bifurcations in a nonlinear MEMS oscillator with a 1:3 internal resonance. Part I: The case of a driven resonator
S. Houri, D. Hatanaka, M. Asano +2
This work investigates the behavior of an AlGaAs/GaAs piezoelectric nonlinear MEMS oscillator exhibiting a 1:3 internal resonance. The device is explored in an open-loop configurat…
Pulse-width modulated oscillations in a nonlinear resonator under two-tone driving as a means for MEMS sensor readout
Samer Houri, Ryuichi Ohta, Motoki Asano +2
A MEMS Duffing resonator is driven by two adjacent frequency tones into the nonlinear regime. We show that if the two-tone drive is applied at a frequency where a bistable response…
Active control of a plasmonic metamaterial for quantum state engineering
S. A. Uriri, T. Tashima, X. Zhang +7
We experimentally demonstrate the active control of a plasmonic metamaterial operating in the quantum regime. A two-dimensional metamaterial consisting of unit cells made from gold…
An opto-electro-mechanical system based on evanescently-coupled optical microbottle and electromechanical resonator
Motoki Asano, Ryuichi Ohta, Takashi Yamamoto +2
Evanescent coupling between a silica optical microbottle resonator and a GaAs electromechanical resonator is demonstrated. This coupling provides high optical sensitivity and effic…
Visible light emission from a silica microbottle resonator by second and third harmonic generation
Motoki Asano, Shoichi Komori, Rikizo Ikuta +3
We report the first observation of nonlinear harmonic generation and sum frequency generation (SFG) coupled with stimulated Raman scattering (SRS) via the second-order (χ^{(2)}) an…