668 citations · 1.2k across the 18 of their papers we have counts for
18 papers
Efficient generation of entangled photons in the telecommunications range using nonlinear metasurfaces integrated with ScAlN/GaN heterostructures
Jaeyeon Yu, Jewel Mohajan, Mikhail Tokman +8
Entangled photons provide non-classical correlations that enable measurement sensitivities beyond classical limits, scalable fault-tolerant quantum computation, and fundamentally s…
Fiber optic computing using distributed feedback
Brandon Redding, Joseph B. Murray, Joseph D. Hart +3
The widespread adoption of machine learning and other matrix intensive computing algorithms has inspired renewed interest in analog optical computing, which has the potential to pe…
Integrated Photonic Encoder for Terapixel Image Processing
Xiao Wang, Brandon Redding, Nicholas Karl +5
Modern lens designs are capable of resolving >10 gigapixels, while advances in camera frame-rate and hyperspectral imaging have made Terapixel/s data acquisition a real possibility…
Near-field Imaging of Optical Resonances in Silicon Metasurfaces Using Photoelectron Microscopy
Alex Boehm, Sylvain D. Gennaro, Chloe F. Doiron +5
Precise control of light-matter interactions at the nanoscale lies at the heart of nanophotonics. Experimental examination at this length scale is challenging, however, since the c…
Nonlinear and Ultrafast All-Dielectric Metasurfaces at the Center for Integrated Nanotechnologies
Sylvain D. Gennaro, Raktim Sarma, Igal Brener
Metasurfaces control optical wavefronts via arrays of nanoscale resonators laid out across a surface. When combined with III-V semiconductors with strong optical nonlinearities, a…
Inverse Design of Perfectly Transmitting Eigenchannels in Scattering Media
M. Koirala, R. Sarma, H. Cao +1
Light-matter interactions inside turbid medium can be controlled by tailoring the spatial distribution of energy density throughout the system. Wavefront shaping allows selective c…
Enhancing light transmission through a random medium with inhomogeneous scattering and loss
Raktim Sarma, Alexey Yamilov, Hui Cao
We enhanced the total transmission of light through a disordered waveguide with spatially inhomogeneous scattering and loss by shaping the incident wavefront of a laser beam. Using…
Control of energy density inside disordered medium by coupling to open or closed channels
Raktim Sarma, Alexey Yamilov, Sasha Petrenko +2
We demonstrate experimentally an efficient control of light intensity distribution inside a random scattering system. The adaptive wavefront shaping technique is applied to a silic…
Evanescently coupled multimode spiral spectrometer
Brandon Redding, Seng Fatt Liew, Yaron Bromberg +2
We designed a high-resolution compact spectrometer based on an evanescently-coupled multimode spiral waveguide. Interference between the modes in the waveguide forms a wavelength-d…
Shape-dependence of transmission, reflection and absorption eigenvalue densities in disordered waveguides with dissipation
A. Yamilov, S. Petrenko, R. Sarma +1
The universal bimodal distribution of transmission eigenvalues in lossless diffusive systems un- derpins such celebrated phenomena as universal conductance fluctuations, quantum sh…
Control of mesoscopic transport by modifying transmission channels in opaque media
Raktim Sarma, Alexey Yamilov, Seng Fatt Liew +2
While controlling particle diffusion in a confined geometry is a popular approach taken by both natural and artificial systems, it has not been widely adopted for controlling light…
Using geometry to manipulate long-range correlation of light inside disordered media
Raktim Sarma, Alexey Yamilov, Pauf Neupane +1
We demonstrate experimentally that long-range intensity correlation for light propagating inside random photonic waveguides can be modified by changing the shape of the waveguide.…
Control of Light Diffusion in a Disordered Photonic Waveguide
Raktim Sarma, Timofey Golubev, Alexey Yamilov +1
We control the diffusion of light in a disordered photonic waveguide by modulating the waveguide geometry. In a single waveguide of varying cross-section, the diffusion coefficient…
Probing Long-Range Intensity Correlations inside Disordered Photonic Nanostructures
Raktim Sarma, Alexey Yamilov, Pauf Neupane +2
We report direct observation of the development of long-range spatial intensity correlations and the growth of intensity fluctuations inside the random media. We fabricated quasi-t…
Rotation-induced Mode Coupling in Open Wavelength-scale Microcavities
Li Ge, Raktim Sarma, Hui Cao
We study the interplay between rotation and openness for mode coupling in wavelength-scale microcavities. In cavities deformed from a circular disk, the decay rates of a quasi-dege…
Rotation-induced Asymmetry of Far-field Emission from Optical Microcavities
Li Ge, Raktim Sarma, Hui Cao
We study rotation-induced asymmetry of far-field emission from optical microcavities, based on which a new scheme of rotation detection may be developed. It is free from the "dead…
Rotating optical microcavities with broken chiral symmetry
Raktim Sarma, Li Ge, Jan Wiersig +1
We demonstrate in open microcavities with broken chiral symmetry, quasi-degenerate pairs of co-propagating modes in a non-rotating cavity evolve to counter-propagating modes with r…
On-Chip Random Spectrometer
Brandon Redding, Seng Fatt Liew, Raktim Sarma
Light scattering in disordered media has been studied extensively due to its prevalence in natural and artificial systems [1]. In the field of photonics most of the research has fo…