Search Results - "Wright, O.B."

Reciprocity in reflection and transmission: What is a ‘phonon diode’? by Maznev, A.A., Every, A.G., Wright, O.B.

“…The newly popular topic of ‘phonon diodes’ is discussed in the context of a broader issue of reciprocity in reflection/transmission (R–T) of waves. We first…”
Get full text

Imaging phonon eigenstates and elucidating the energy storage characteristics of a honeycomb-lattice phononic crystal cavity by Otsuka, P.H., Chinbe, R., Tomoda, M., Matsuda, O., Tanaka, Y., Profunser, D.M., Kim, S., Jeon, H., Veres, I.A., Maznev, A.A., Wright, O.B.

“…We extend gigahertz time-domain imaging to a wideband investigation of the eigenstates of a phononic crystal cavity. Using omnidirectionally excited phonon…”
Get full text

Bulk and surface acoustic wave phenomena in crystals: Observation and interpretation by Every, A.G., Maznev, A.A., Grill, W., Pluta, M., Comins, J.D., Wright, O.B., Matsuda, O., Sachse, W., Wolfe, J.P.

“…Crystal acoustics is a field that has engaged the attention of theoreticians and experimentalists alike for decades and more. Many striking effects have been…”
Get full text

Laser picosecond acoustics in isotropic and anisotropic materials by Hurley, D.H., Wright, O.B., Matsuda, O., Gusev, V.E., Kolosov, O.V.

“…We present experimental results concerning the laser generation of picosecond acoustic pulses and their propagation in isotropic and anisotropic materials. We…”
Get full text

Upholding the diffraction limit in the focusing of light and sound by Maznev, A.A., Wright, O.B.

“…The concept of the diffraction limit put forth by Ernst Abbe and others has been an important guiding principle limiting our ability to tightly focus classical…”
Get full text

Ultrafast acoustic phonon pulse generation in chromium by Saito, T., Matsuda, O., Wright, O.B.

“…The generation mechanisms for longitudinal acoustic-phonon pulses excited in the transition metal chromium with sub-picosecond optical pulses are studied. The…”
Get full text

Wavelength selective photoexcitation of picosecond acoustic-phonon pulses in a triple GaAs/Al0.3Ga0.7As quantum well structure by Matsuda, O., Ishii, I., Fukui, T., Baumberg, J.J., Wright, O.B.

Get full text

Spatiotemporal mapping of surface acoustic waves in isotropic and anisotropic materials by Sugawara, Y., Wright, O.B., Matsuda, O., Gusev, V.E.

“…We demonstrate a new method for a real-time imaging of surface acoustic waves at frequencies up to 1 GHz with picosecond temporal and micron spatial…”
Get full text

Real-time imaging and dispersion of surface phonons in isotropic and anisotropic materials by Wright, O.B., Sugawara, Y., Matsuda, O., Takigahira, M., Tanaka, Y., Tamura, S., Gusev, V.E.

“…Surface phonon propagation in anisotropic thin film structures displays beautiful and complex wavefronts. Using an interferometric optical pump and probe…”
Get full text

Real-time imaging of acoustic waves on a bulk acoustic resonator by Fujikura, Takashi, Matsuda, Osamu, Profunser, Dieter M., Wright, Oliver B., Masson, Jeremy, Ballandras, Sylvain

“…Time resolved images of acoustic waves in the 100 MHz-2.2 GHz range are obtained for an electrically excited thin-film bulk acoustic wave resonator by means of…”
Get full text

Laser picosecond acoustics in a two-layer structure with oblique probe light incidence by Matsuda, O, Wright, O.B

“…A theory for the analysis of experiments involving laser picosecond acoustics with obliquely incident probe light in a two-layer structure is outlined. The…”
Get full text

Wavelength selective photoexcitation of picosecond acoustic-phonon pulses in a triple GaAs/Al 0.3Ga 0.7As quantum well structure by Matsuda, O., Ishii, I., Fukui, T., Baumberg, J.J., Wright, O.B.

“…Ultrashort coherent phonon-pulse generation and detection is investigated in a GaAs–Al 0.3Ga 0.7As quantum well structure containing three wells of different…”
Get full text

Ultrafast generation of acoustic waves in copper by Wright, O.B., Gusev, V.E.

“…The ultrafast generation of acoustic waves in copper films is investigated with a femtosecond optical pump and probe technique. By studying the generation at…”
Get full text

Laser picosecond acoustics in multilayer structures by Matsuda, O., Wright, O.B.

“…The field of laser picosecond acoustics has thrived owing to the ease of detection of propagating picosecond acoustic pulses through changes in optical…”
Get full text

Ultrafast acoustic phonon generation in gold by Wright, O.B., Gusev, V.E.

“…The ultrafast generation of coherent longitudinal acoustic phonons in was investigated in gold films with a femtosecond optical pump and probe technique. The…”
Get full text

Ultrafast surface plasmon polariton dynamics in multilayer waveguide structures by Sugawara, V., Baumberg, J.J., Wright, O.B.

“…The transient reflectance is imaged in real time at surface plasmon polariton resonances in multilayer waveguide structures with an ultrafast optical pump and…”
Get full text

Probing electron wavefunctions in quantum wells using ultrafast coherent acoustic phonon generation by Wright, O.B., Tachizaki, T., Matsuda, O., Fukui, T., Baumberg, J.J.

“…Individual quantum wells in GaAs/AlGaAs heterostructures are selectively excited by ultrashort wavelength-tunable optical pulses. We demonstrate how the…”
Get full text

6E-5 High Frequency Surface Waves Scattered in Microstructured Phononic Crystals by Profunser, D.M., Wright, O.B., Matsuda, O., Lang, U., Abdelkrim, K., Benchabane, S., Laude, S.

“…Using an ultrafast optical technique, broadband surface acoustic wave packets are tracked on 1D and 2D phononic crystals in two dimensions in real time at…”
Get full text

Local acoustic probing using mechanical and ultrafast optical techniques by Wright, O.B.

“…Any set-up with local excitation or detection of acoustic waves at a solid surface provides the basis for acoustic microscopy and the mapping of sub-surface…”
Get full text

Optical heterodyne force microscopy by Kumano, N., Inagaki, K., Kolosov, O.V., Wright, O.B.

“…We present a new technique, Optical Heterodyne Force Microscopy, that allows local probing of photothermally-induced ultrasonic vibrations of a sample surface…”
Get full text