5 citations · 13 across the 19 of their papers we have counts for
19 papers
Inverse designed resistive heaters for uniform switching of Phase Change Materials
Virat Tara, Khoi P. Dao, Juejun Hu +1
Non-volatile phase-change material (PCM)-integrated metasurfaces offer a promising pathway toward next-generation solid-state reconfigurable free-space optics. However, their pract…
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…
Increased endurance of nonvolatile photonics enabled by nanostructured phase-change materials
Jayita Dutta, Andrew Tang, Brian Mills +8
The rapid rise of artificial intelligence, and in-memory computing has reinvigorated research on scalable, energy-efficient, and reconfigurable photonic hardware. Non-volatile phas…
Triply Resonant Photonic Crystal Nanobeam Cavities for Unconditional Photon Blockade
Richard Dong, Abhinav Kala, Andrew Lingenfelter +3
The development of many scalable quantum technologies requires single-photon nonlinearity, such as single-photon blockade, in solid-state systems. Recently, it has been shown that…
Wafer-scale conformal metasurface optics
Louis Martin-Monier, Sehui Chang, Johannes Froech +11
Curved and conformal optics offer significant advantages by unlocking additional geometric degrees of freedom for optical design. These capabilities enable enhanced optical perform…
2D Addressable Mid-infrared Metasurface Spatial Light Modulator
Cosmin-Constantin Popescu, Maarten Robbert Anton Peters, Oleg Maksimov +12
Active metasurfaces enable dynamic control of light for applications in beam steering, pixelated holography, and adaptive optics, but demonstrations of two-dimensional (2D) electri…
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…
Mixed Precision Photonic Computing with 3D Electronic-Photonic Integrated Circuits
Georgios Charalampous, Rui Chen, Mehmet Berkay On +12
We propose advancing photonic in-memory computing through three-dimensional photonic-electronic integrated circuits using phase-change materials (PCM) and AlGaAs-CMOS technology. T…
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…
NEO-PGA: Nonvolatile electro-optically programmable gate array
Rui Chen, Andrew Tang, Jayita Dutta +4
Programmable photonic integrated circuits (PICs) offer a unique opportunity to create a flexible platform, akin to electronic field programmable gate array (FPGA). These photonic P…
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…
All-Dielectric Metasurface with a Two-Dimensional Locally Flat Photonic Band
Minho Choi, Christopher Munley, Virat Tara +4
Photonic flatbands offer promising light-matter interaction due to their unique slow-light nature. In recent years, flatbands have also attracted significant interest in optical en…
Near-visible low power tuning of nematic-liquid crystal integrated silicon nitride ring resonator
Jayita Dutta, Antonio Ferraro, Arnab Manna +5
The development of compact, low-power, and high-performance integrated photonic phase shifters is critical for advancing emerging technologies such as light detection and ranging (…
Heteroepitaxial growth of highly anisotropic films on GaAs
Kelly Xiao, Virat Tara, Pooja D. Reddy +6
The epitaxial integration of anisotropic materials with mainstream cubic semiconductors opens new routes to advanced electronic and photonic devices with directional properties. In…
Low-power 7-bit hybrid volatile/ nonvolatile tuning of ring resonators
Jayita Dutta, Rui Chen, Virat Tara +1
Programmable photonic integrated circuits are expected to play an increasingly important role to enable high-bandwidth optical interconnects, and large-scale in-memory computing as…
Non-volatile Tuning of Cryogenic Optical Resonators
Uthkarsh Adya, Rui Chen, I-Tung Chen +4
Quantum computing, ultra-low-noise sensing, and high-energy physics experiments often rely on superconducting circuits or semiconductor qubits and devices operating at deep cryogen…
Unified laser stabilization and isolation on a silicon chip
Alexander D. White, Geun Ho Ahn, Richard Luhtaru +8
Rapid progress in photonics has led to an explosion of integrated devices that promise to deliver the same performance as table-top technology at the nanoscale; heralding the next…
Low-loss multilevel operation using lossy PCM-integrated silicon photonics
Rui Chen, Virat Tara, Jayita Dutta +3
Chalcogenide phase-change materials (PCMs) offer new paradigms for programmable photonic integrated circuits (PICs) thanks to their zero static energy and significant refractive in…
Boundary scattering tomography of the Bose Hubbard model on general graphs
Abhi Saxena, Erfan Abbasgholinejad, Arka Majumdar +1
Correlated quantum many-body phenomena in lattice models have been identified as a set of physically interesting problems that cannot be solved classically. Analog quantum simulato…