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physics.optics2025
High-Temperature Strong Nonreciprocal Thermal Radiation from Semiconductors
Bardia Nabavi, Sina Jafari Ghalekohneh, Komron J. Shayegan +3
Nonreciprocal thermal emitters that break the conventional Kirchhoff's law allow independent control of emissivity and absorptivity and promise exciting new functionalities in cont…
physics.optics2024
Direct Radiation Pressure Measurements for Lightsail Membranes
Lior Michaeli, Ramon Gao, Michael D. Kelzenberg +4
Ultrathin lightsails propelled by laser radiation pressure to relativistic speeds are currently the most promising route for flyby-based exoplanet exploration. However, there has b…
physics.optics2023
Third harmonic generation enhancement and wavefront control using a local high-Q metasurface
Claudio U. Hail, Lior Michaeli, Harry A. Atwater
High quality factor optical nanostructures provide great opportunity to enhance nonlinear optical processes such as third harmonic generation. However, the field enhancement in the…