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Enhancement of far-field thermal emission via polaritonic cavity modes
Maelie Coral, Jose Ordonez-Miranda, Georges Hamaoui +5
Controlling thermal emission is crucial for applications involving thermophotovoltaics, thermal sensing, imaging, and camouflage. While prior studies focused on the emission of the…
Enhanced Near-Field Thermal Radiation Driven by Multiple Corner and Edge Modes in Subwavelength Square Nanowires
Jose Ordonez-Miranda, Minggang Luo, Michele Diego +4
We demonstrate that the near-field thermal radiation between subwavelength SiC nanowires with square cross sections is dominated by multiple corner and edge resonances rather than…
Hypersonic acoustic wave control via hyperuniform phononic nanostructures
Michele Diego, Jade Hardouin, Gabrielle Mazevet-Schargrod +4
Controlling hypersonic surface acoustic waves is crucial for advanced phononic devices such as high-frequency filters, sensors, and quantum computing components. While periodic pho…
Phonon dispersion of nanoscale honeycomb phononic crystal: gigahertz and terahertz spectroscopy comparison
Michele Diego, Roman Anufriev, Ryoto Yanagisawa +1
Phonons-quantized vibrational modes in crystalline structures-govern phenomena ranging from thermal and mechanical transport to quantum mechanics. In recent years, a new class of a…
Observation of quasi-ballistic thermal transport of surface phonon-polaritons over hundreds of micrometres
Yunhui Wu, Jose Ordonez-Miranda, Laurent Jalabert +5
Long-distance propagation of heat carriers is essential for efficient heat dissipation in microelectronics. However, in dielectric nanomaterials, the primary heat carriers - phonon…
Surface phonon-polaritons enhance thermal conduction in SiN nanomembranes
Yunhui Wu, Jose Ordonez-Miranda, Sergei Gluchko +3
Surface phonon-polaritons can carry energy on the surface of dielectric films and thus are expected to contribute to heat conduction. However, the contribution of surface phonon-po…