329 citations · 423 across the 22 of their papers we have counts for
23 papers
Amplitude- and frequency-modulated combs from an actively locked metasurface external-cavity laser
Marco Raffa, Jordane Bloomfield, Yu Wu +5
Optical frequency combs are key components of several photonics applications including spectroscopy, communications, and ultrafast photonics. A central challenge in frequency-comb…
Automated Vector-Scanning Spectroscopy for Large-Scale Characterization of Single Quantum Emitters
William Eshbaugh, Ashish Chanana, Edgar Perez +13
The inherent spatial randomness and broad spectral heterogeneity of epitaxial quantum dots (QDs) -- one of the most mature classes of solid-state quantum emitters -- remains a majo…
Atomic layer etching of InGaAs using sequential exposures of atomic hydrogen and oxygen gas
Mete M. Bayrak, Anthony J. Ardizzi, Sadhvikas Addamane +2
The high frequency performance and yield of III-V semiconductor devices such as InP HEMTs is negatively impacted by subsurface etch damage and non-uniform etch depth over the wafer…
Quasi-1D Coulomb drag between spin-polarized quantum wires
Mingyang Zheng, Rebika Makaju, Rasul Gazizulin +3
One-dimensional (1D) quantum wires provide a versatile platform for studying strong electron-electron interactions and collective excitations under confinement. Coulomb drag betwee…
Liquid combs: broadband light with equidistance and without stability
Mithun Roy, Tianyi Zeng, Zhenyang Xiao +4
Broadband light sources with well-defined spectral structures are vital for science and technology. However, the evenly spaced lines of frequency combs represent only a small subse…
Two-photon Interference of Biphotons Emitted by Overlapping Resonances in Metasurfaces
Jiho Noh, Tomás Santiago-Cruz, Chloe F. Doiron +5
Two-photon interference, a quantum phenomenon arising from the principle of indistinguishability, is a powerful tool for quantum state engineering and plays a fundamental role in v…
Shot-noise-driven macroscopic vibrations and displacement transduction in quantum tunnel junctions
Prasanta Kumbhakar, Anusha Shanmugam, Akhileshwar Mishra +4
Inherent randomness and the resulting stochastic behavior of fundamental particles manifested as quantum noise put a lower bound on measurement imprecision in the quantum measureme…
AutoSciLab: A Self-Driving Laboratory For Interpretable Scientific Discovery
Saaketh Desai, Sadhvikas Addamane, Jeffrey Y. Tsao +4
Advances in robotic control and sensing have propelled the rise of automated scientific laboratories capable of high-throughput experiments. However, automated scientific laborator…
Quasi-1D Coulomb drag in the nonlinear regime
Mingyang Zheng, Rebika Makaju, Rasul Gazizulin +3
One-dimensional Coulomb drag has been an essential tool to probe the physics of interacting Tomonaga-Luttinger liquids. To date, most experimental work has focused on the linear re…
Tunable reciprocal and nonreciprocal contributions to 1D Coulomb Drag
Mingyang Zheng, Rebika Makaju, Rasul Gazizulin +2
Coulomb drag is a powerful tool to study interactions in coupled low-dimensional systems. Historically, Coulomb drag has been attributed to a frictional force arising from momentum…
Self-driving lab discovers principles for steering spontaneous emission
Saaketh Desai, Sadhvikas Addamane, Jeffery Y. Tsao +3
We developed an autonomous experimentation platform to accelerate interpretable scientific discovery in ultrafast nanophotonics, targeting a novel method to steer spontaneous emiss…
Efficient, indistinguishable telecom C-band photons using a tapered nanobeam
Mohammad Habibur Rahaman, Samuel Harper, Chang-Min Lee +7
Telecom C-band single photons exhibit the lowest attenuation in optical fibers, enabling long-haul quantum-secured communication. However, efficient coupling with optical fibers is…
Optimizing the quality factor of InP nanobeam cavities using atomic layer deposition
Mohammad Habibur Rahaman, Chang-Min Lee, Mustafa Atabey Buyukkaya +3
Photonic crystal nanobeam cavities are valued for their small mode volume, CMOS compatibility, and high coupling efficiency crucial features for various low-power photonic applicat…
Inducing a Tunable Skyrmion-Antiskyrmion System through Ion Beam Modification of FeGe Films
M. B. Venuti, Xiyue S. Zhang, Eric J Lang +8
Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic non-centrosymmetric materials and mul…
Nonreciprocal Coulomb Drag between Quantum Wires in the quasi-1D regime
R. Makaju, H. Kassar, S. M. Daloglu +4
Coulomb drag experiments have been an essential tool to study strongly interacting low-dimensional systems. Historically, this effect has been explained in terms of momentum transf…
Fundamental scaling limits and bandwidth shaping of frequency-modulated combs
Mithun Roy, Zhenyang Xiao, Sadhvikas Addamane +1
Frequency-modulated (FM) combs based on active cavities like quantum cascade lasers have recently emerged as promising light sources in many spectral regions. Unlike passive modelo…
Frequency combs in optically-injected terahertz ring quantum cascade lasers
Md Istiak Khan, Zhenyang Xiao, Sadhvikas J. Addamane +1
Quantum cascade lasers (QCLs) have emerged as promising candidates for generating chip-scale frequency combs in mid-infrared and terahertz wavelengths. In this work, we demonstrate…
Exploring Layer Thinning of Exfoliated \b{eta}-Tellurene and Room Temperature Photoluminescence with Large Exciton Binding Energy Revealed in TeO2
Ghadeer Aljalham, Sarah Alsaggaf, Shahad Albawardi +3
Due to its tunable band gap, anisotropic behavior, and superior thermoelectric properties, device applications using layered tellurene (Te) are becoming attractive. Here, we report…
Terahertz semiconductor laser source at -12 C
Ali Khalatpour, Man Chun Tam, Sadhvikas J. Addamane +3
Room temperature operation of Terahertz Quantum Cascade Lasers (THz QCLs) has been a long-pursued goal to realize compact semiconductor THz sources. The progress toward high-temper…
Terahertz pulse generation with binary phase control in non-linear InAs metasurface
Hyunseung Jung, Lucy L. Hale, Sylvain D. Gennaro +9
The effect of terahertz (THz) pulse generation has revolutionized broadband coherent spectroscopy and imaging at THz frequencies. However, THz pulses typically lack spatial structu…
Sub picosecond steering of ultrafast incoherent emission from semiconductor metasurfaces
Prasad P. Iyer, Nicholas Karl, Sadhvikas Addamane +3
The ability to dynamically steer fs pulses from a monolithically integrated source is a critical milestone for the fields of nanophotonics and ultrafast optics. The nascent field o…
Resonant Semiconductor Metasurfaces for Generating Complex Quantum States
Tomás Santiago-Cruz, Sylvain D. Gennaro, Oleg Mitrofanov +4
Quantum state engineering, the cornerstone of quantum photonic technologies, mainly relies on spontaneous parametric down-conversion and four-wave mixing, where one or two pump pho…
Controllable finite ultra-narrow quality-factor peak in a perturbed Dirac-cone band structure of a photonic crystal slab
Alex Y. Song, Akhil Raj Kumar Kalapala, Ricky Gibson +9
We show that by using a perturbed photonic Dirac-cone, one can realize ultra-narrow and finite Q-factor peak in the wavevector space, with both the peak value and the width separat…