Aug 8, 2022 · When incident light with frequency νi and wavevector reaches the surface of the sample with a certain angle, θ, as illustrated in Fig. 2a, part ...
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The acoustic phonons are coherently refreshed allowing the storage and retrieval of the optical phase, paving the way for long phonon-based light storage. This ...
Feb 13, 2015 · The hypersonic phonon dispersion was investigated using Brillouin light scattering. Volume reduction (holes) or mass loading (pillars) ...
Dec 5, 2017 · Coherent strain waves generated via ultrafast in situ photoexcitation were imaged propagating with initial phase velocities of up to 35 km/s ...
Mar 28, 2014 · Hypersonic, thermally activated surface acoustic waves propagating in the surface of crystalline silicon patterned with periodic stripes ...
The present study intends to solve the problem of low-temperature sensitivity of most conventional period materials. A solid/solid one-dimensional phononic ...
Phononic structures (composite materials) in which a periodic distribution of elastic parameters facilitates control of the propagation of phonons, hold the ...
Apr 1, 2005 · Scientists in the US, Germany and Greece have shown that "hypersonic crystals" can be used to control phonons - which are quantized sound ...
This thesis explores hypersonic phononic crystals as means to achieve control over high frequency acoustic phonons. An integrated approach to fabrication ...
Feb 4, 2022 · Here, we demonstrate the complete absence of mechanical vibrations at room temperature over a broad spectral window, with a 5.3 GHz wide band ...
Missing: phonons | Show results with:phonons