5 papers
Measurement of complex scattering matrix in a nano-cavity array for boundary scattering tomography
Andrew Tang, Romil Audhkhasi, Virat Tara +3
On-chip silicon photonic coupled cavity arrays (CCA) are a promising platform for quantum simulators, with access to high Quality (Q) factor resonators, tunability, and foundry com…
Electrically reconfigurable nonvolatile transmissive metasurface in visible
Virat Tara, Romil Audhkhasi, Andrew Tang +5
The synergy between metasurfaces and non-volatile phase change materials (PCMs) has created many reconfigurable photonic devices for applications in optical memory, optical computi…
Compact broadband thermal absorbers based on plasmonic fractal metasurfaces
Romil Audhkhasi, Virat Tara, Raymond Yu +2
The ability to efficiently absorb thermal radiation within a small material volume is crucial for the realization of compact and high spatial resolution thermal imagers. Here we pr…
Electrically reconfigurable nonvolatile flatband absorbers in the mid-infrared with wide spectral tuning range
Romil Audhkhasi, Virat Tara, Matthew Klein +5
While recent advances in reconfigurable photonics have provided new avenues for manipulating light on the subwavelength scale, on-demand control of infrared absorption remains elus…
Singleshot Multispectral Imaging via a Chromatic Metalens Array
Romil Audhkhasi, Ningzhi Xie, Johannes E. Fröch +1
Real time, singleshot multispectral imaging systems are crucial for environment monitoring and biomedical imaging. Most singleshot multispectral imagers rely on complex computation…