112 citations · 422 across the 16 of their papers we have counts for
17 papers
Fluctuation engineering in cavity quantum materials
Hope M Bretscher, Lorenzo Graziotto, Marios H Michael +14
Coupling tailored electromagnetic fluctuations to materials provides a resource for controlling correlated quantum matter. By structuring the frequency, spatial, and modal distribu…
Finite-momentum Cooper plasmons in superconducting terahertz microcavities
Alex M. Potts, Marios H. Michael, Gunda Kipp +12
The phase mode of a superconductor's order parameter encodes fundamental information about pairing and dissipation, but is typically inaccessible at low frequencies due to the Ande…
Response regimes in on-chip THz spectroscopy
Gunda Kipp, Marios H. Michael, Alexander M. Potts +6
On-chip THz spectroscopy enables quantitative measurements of the optical conductivity of sub-wavelength 2D materials by tightly confining THz fields in metallic transmission line…
Monolithic optoelectronic circuit design for on-chip terahertz applications
Kateryna Kusyak, Benedikt Schulte, Toru Matsuyama +6
We demonstrate a monolithic coplanar stripline platform for on-chip terahertz (THz) generation, transmission, and detection, addressing key challenges of mode purity, bandwidth, an…
Purcell enhancement of photogalvanic currents in a van der Waals plasmonic self-cavity
Xinyu Li, Jesse Hagelstein, Gunda Kipp +23
Cavities provide a means to manipulate the optical and electronic responses of quantum materials by selectively enhancing light-matter interaction at specific frequencies and momen…
Resolving self-cavity effects in two-dimensional quantum materials
Marios H. Michael, Gunda Kipp, Alexander M. Potts +5
Two-dimensional materials and van der Waals (vdW) heterostructures host many strongly correlated and topological quantum phases on the meV energy scale. Direct electrodynami…
The Waters We Swim In: Replicability and the Evolution of Scientific Norms
Hope Bretscher, Núria Muñoz Garganté
In recent years, a series of high-profile retractions and fraud cases have arisen in physics, sparking a conversation about research integrity and replicability. Here, we discuss h…
Nonperturbative Nonlinear Transport in a Floquet-Weyl Semimetal
Matthew W. Day, Kateryna Kusyak, Felix Sturm +23
Periodic laser driving, known as Floquet engineering, is a powerful tool to manipulate the properties of quantum materials. Using circularly polarized light, artificial magnetic fi…
Cavity electrodynamics of van der Waals heterostructures
Gunda Kipp, Hope M Bretscher, Benedikt Schulte +21
Van der Waals (vdW) heterostructures host many-body quantum phenomena that can be tuned in situ using electrostatic gates. These gates are often microstructured graphite flakes tha…
Chemical treatments of Monolayer Transition Metal Dichalcogenides and Their Prospect in Optoelectronic Applications
Zhaojun Li, Hope Bretscher, Akshay Rao
The interest in obtaining high-quality monolayer transition metal dichalcogenides (TMDs) for optoelectronic device applications has been growing dramatically. However, the prevalen…
Photophysical comparison of liquid and mechanically exfoliated WS monolayers
Zhaojun Li, Farnia Rashvand, Hope Bretscher +4
Semiconducting transition metal dichalcogenides (TMDs) are desired as active materials in optoelectronic devices due to their strong excitonic effects. They can be exfoliated from…
Extracting Quantitative Dielectric Properties from Pump-Probe Spectroscopy
Arjun Ashoka, Ronnie R. Tamming, Aswathy V. Girija +12
Optical pump-probe spectroscopy is a powerful tool for the study of non-equilibrium electronic dynamics and finds wide applications across a range of fields, from physics and chemi…
Mechanistic Insight to the Chemical Treatments of Monolayer Transition Metal Disulfides for Photoluminescence Enhancement
Zhaojun Li, Hope Bretscher, Yunwei Zhang +5
There is a growing interest in obtaining high quality monolayer transition metal disulfides (TMDSs) for optoelectronic device applications. Surface chemical treatments using a rang…
Ultrafast melting and recovery of collective order in the excitonic insulator TaNiSe
Hope M. Bretscher, Paolo Andrich, Prachi Telang +4
The layered chalcogenide TaNiSe has been proposed to host an excitonic condensate in its ground state, a phase that could offer a unique platform to study and manipulat…
Imaging the coherent propagation of collective modes in the excitonic insulator candidate TaNiSe at room temperature
Hope M. Bretscher, Paolo Andrich, Yuta Murakami +10
Excitonic insulators host a condensate of electron-hole pairs at equilibrium, giving rise to collective many-body effects. Although several materials have emerged as excitonic insu…
The bright side of defects in MoS and WS and a generalizable chemical treatment protocol for defect passivation
Hope M. Bretscher, Zhaojun Li, James Xiao +12
Structural defects are widely regarded as detrimental to the optoelectronic properties of monolayer transition metal dichalcogenides, leading to concerted efforts to eliminate defe…
Ultrafast Tracking of Exciton and Charge Carrier Transport in Optoelectronic Materials on the Nanometer Scale
Christoph Schnedermann, Jooyoung Sung, Raj Pandya +6
We present a novel optical transient absorption and reflection microscope based on a diffraction-limited pump pulse in combination with a wide-field probe pulse, for the spatio-tem…