Modeling light-sound interaction in nanoscale cavities and waveguides
The interaction of light and sound waves at the micro and nanoscale has attracted
considerable interest in recent years. The main reason is that this interaction is responsible …
considerable interest in recent years. The main reason is that this interaction is responsible …
Thermodynamic study of advanced supercritical carbon dioxide power cycles for concentrating solar power systems
CS Turchi, Z Ma, TW Neises… - Journal of Solar …, 2013 - asmedigitalcollection.asme.org
Supercritical CO2 (s-CO2) operated in a closed-loop Brayton cycle offers the potential of
higher cycle efficiency versus superheated or supercritical steam cycles at temperatures …
higher cycle efficiency versus superheated or supercritical steam cycles at temperatures …
Selective mode conversion and rainbow trapping via graded elastic waveguides
We experimentally achieve wave-mode conversion and rainbow trapping in an elastic
waveguide loaded with an array of resonators. Rainbow trapping is a phenomenon that …
waveguide loaded with an array of resonators. Rainbow trapping is a phenomenon that …
A one-dimensional optomechanical crystal with a complete phononic band gap
Recent years have witnessed the boom of cavity optomechanics, which exploits the
confinement and coupling of optical and mechanical waves at the nanoscale. Among their …
confinement and coupling of optical and mechanical waves at the nanoscale. Among their …
[HTML][HTML] Dispersion characteristics of a nonlinear elastic metamaterial
R Khajehtourian, MI Hussein - Aip Advances, 2014 - pubs.aip.org
We study wave dispersion in a one-dimensional nonlinear elastic metamaterial consisting of
a thin rod with periodically attached local resonators. Our model is based on an exact finite …
a thin rod with periodically attached local resonators. Our model is based on an exact finite …
Nonlinear dynamics and chaos in an optomechanical beam
Optical nonlinearities, such as thermo-optic mechanisms and free-carrier dispersion, are
often considered unwelcome effects in silicon-based resonators and, more specifically …
often considered unwelcome effects in silicon-based resonators and, more specifically …
Microwave oscillator and frequency comb in a silicon optomechanical cavity with a full phononic bandgap
Cavity optomechanics has recently emerged as a new paradigm enabling the manipulation
of mechanical motion via optical fields tightly confined in deformable cavities. When driving …
of mechanical motion via optical fields tightly confined in deformable cavities. When driving …
Acousto-optic couplings in two-dimensional phoxonic crystal cavities
We investigate the acousto-optic coupling, based on both photo-elastic and opto-
mechanical mechanisms, in periodic structures with simultaneous photonic and phononic …
mechanical mechanisms, in periodic structures with simultaneous photonic and phononic …
Enhanced energy harvesting of flexural waves in elastic beams by bending mode of graded resonators
We show efficient elastic energy transfer and wave confinement through a graded array of
resonators attached to an elastic beam. Experiments demonstrate that flexural resonators of …
resonators attached to an elastic beam. Experiments demonstrate that flexural resonators of …
Fundamental properties of phononic crystal
Y Pennec, B Djafari-Rouhani - Phononic crystals, 2016 - Springer
The control and manipulation of acoustic/elastic waves is a fundamental problem with many
potential applications, especially in the field of information and communication technologies …
potential applications, especially in the field of information and communication technologies …