271 citations · 271 across the 4 of their papers we have counts for
4 papers
Quasi-bandgap behavior in non-Hermitian photonic crystals
Jin Xu, Daniel Cui, Aaswath P. Raman
We investigate non-Hermitian photonic crystals in which the lossy and lossless constituents share the same real permittivity and differ only in their imaginary part. We characteriz…
Thermo-optic tuning of directional infrared emissivity
Jae S. Hwang, Jin Xu, Aaswath P. Raman
Tuning the spatial extent of directional thermal emission across an arbitrary, and fixed spectral bandwidth is a fundamentally enabling capability for a range of emerging applicati…
Simultaneous control of spectral and directional emissivity with gradient epsilon-near-zero InAs photonic structures
Jae Seung Hwang, Jin Xu, Aaswath P. Raman
Controlling both the spectral bandwidth and directional range of emitted thermal radiation is a fundamental challenge in modern photonics and materials research. Recent work has sh…
Broadband directional control of thermal emission
Jin Xu, Jyotirmoy Mandal, Aaswath P. Raman
Controlling the directionality of emitted far-field thermal radiation is a fundamental challenge in contemporary photonics and materials research. While photonic strategies have en…