Extreme Nonreciprocal Near-Field Thermal Radiation via Floquet Photonics
Lucas J. Fernández-Alcázar, Rodion Kononchuk, Huanan Li, Tsampikos Kottos
Abstract
By using Floquet driving protocols and interlacing them with a judicious reservoir emission engineering, we achieve extreme nonreciprocal thermal radiation. We show that the latter is rooted in an interplay between a direct radiation process occurring due to temperature bias between two thermal baths and the modulation process that is responsible for pumped radiation heat. Our theoretical results are confirmed via time-domain simulations with photonic and rf circuits.
Topics & Concepts
Floquet theoryThermal radiationRadiationThermalPhotonicsModulation (music)Electronic circuitInterlacingOpticsPhysicsMaterials scienceOptoelectronicsAcousticsQuantum mechanicsComputer scienceMeteorologyOperating systemNonlinear systemThermal Radiation and Cooling TechnologiesQuantum Electrodynamics and Casimir EffectAdvanced Thermodynamics and Statistical Mechanics