47 citations · 207 across the 26 of their papers we have counts for
26 papers
Counterdirectional Exciton and Trion Motion in Applied Electric Field
Daniel Vaz, Yuanjun Guan, Qiaochu Wan +13
Charged excitonic complexes are central to the optoelectronic and many-body properties of semiconductors, yet their real-space transport dynamics remain largely unexplored. Here, w…
Temporal hopping dynamics in exciton-polariton condensation
Elena Rozas, Wojciech Bukalski, Yannik Brune +9
Polariton condensates provide a versatile platform for exploring non-equilibrium phase transitions and collective phenomena in open quantum systems. Near the condensation threshold…
Four Generations of Quantum Biomedical Sensors
Xin Jin, Priyam Srivastava, Ronghe Wang +7
Quantum sensing technologies offer transformative potential for ultra-sensitive biomedical sensing, yet their clinical translation remains constrained by classical noise limits and…
Achieving Sub-Zeptonewton Force Sensitivity and Spin-Motion Entanglement in Levitated Diamond via Pulsed Backaction Evasion
Gayathrini Premawardhana, Jonathan Beaumariage, M. V. Gurudev Dutt +3
We propose a system to achieve sub-zeptonewton force sensing and robust spin-mechanical entanglement in a levitated diamond system. By coupling a nitrogen-vacancy (NV) center spin…
Controlled Switching of Bose-Einstein Condensation in a Mixture of Two Species of Polaritons
Hassan Alnatah, Shuang Liang, Qiaochu Wan +5
We report temperature-dependent switching between lower and upper polariton condensation in a GaAs/AlGaAs microcavity when both of these species have comparable populations in a mi…
Mirror-mediated long-range coupling and robust phase locking of spatially separated exciton-polariton condensates
Shuang Liang, Hassan Alnatah, Qi Yao +7
Lattice arrays are valuable simulators for complex mathematical problems, but physical systems typically allow only short-range coupling. We demonstrate a method for independently…
Strong coupling of polaritons at room temperature in a GaAs/AlGaAs structure
Hassan Alnatah, Shuang Liang, Qiaochu Wan +7
We report direct measurement of the dispersion relation of polaritons in GaAs/AlGaAs microcavity structures at room temperature, which clearly shows that the polaritons are in the…
Light-Induced Electron Pairing in a Bilayer Structure
Qiaochu Wan, Daniel Vaz, Li Xiang +11
Previous experimental and theoretical work has given evidence of the existence of doubly charged exciton states in strongly screened bilayers of transition metal dichalcogenide (TM…
Targeted Polariton Flow Through Tailored Photonic Defects
Elena Rozas, Yannik Brune, Ken West +6
In non-Hermitian open quantum systems, such as polariton condensates, local tailoring of gains and losses opens up an interesting possibility to realize functional optical elements…
Quantum coherence of a long-lifetime exciton-polariton condensate
Yannik Brune, Elena Rozas, Ken West +6
In recent years, quantum information science has made significant progress, leading to a multitude of quantum protocols for the most diverse applications. States carrying resources…
Bose-Einstein condensation of polaritons at room temperature in a GaAs/AlGaAs structure
Hassan Alnatah, Qi Yao, Qiaochu Wan +5
We report the canonical properties of Bose-Einstein condensation of polaritons, seen previously in many low-temperature experiments, at room temperature in a GaAs/AlGaAs structure.…
Measurement of exciton fraction of microcavity exciton-polaritons using transfer-matrix modeling
Jonathan Beaumariage, Zheng Sun, Hassan Alnatah +9
We present a careful calibration of the exciton fraction of polaritons in high- (), long-lifetime ( ps), GaAs/AlGaAs microcavities.This is a crucial para…
Bose condensation of upper-branch exciton-polaritons in a transferrable microcavity
Xingzhou Chen, Hassan Alnatah, Danqun Mao +9
Exciton-polaritons are composite bosonic quasiparticles arising from the strong coupling of excitonic transitions and optical modes. Exciton-polaritons have triggered wide explorat…
Coherence measurements of polaritons in thermal equilibrium reveal a power law for two-dimensional condensates
Hassan Alnatah, Qi Yao, Jonathan Beaumariage +7
We have created a spatially homogeneous polariton condensate in thermal equilibrium, up to very high condensate fraction. Under these conditions, we have measured the coherence as…
Persistent, controllable circulation of a polariton ring condensate
Q. Yao, P. Comaron, H. A. Alnatah +7
Persistent circulation is a canonical effect of superfluidity. In previous experiments, quantized circulation has been observed in polariton condensates, usually far from equilibri…
Critical fluctuations in a confined driven-dissipative quantum condensate
Hassan Alnatah, Paolo Comaron, Shouvik Mukherjee +6
Phase fluctuations determine the low-energy properties of quantum condensates. However, at the condensation threshold, both density and phase fluctuations are relevant. While stron…
Ballistic transport of a polariton ring condensate with spin precession
Qi Yao, Evgeny Sedov, Shouvik Mukherjee +6
It is now routine to make Bose-Einstein condensates of polaritons with long enough lifetime and low enough disorder to travel ballistically for hundreds of microns in quasi-one-dim…
Reanalysis of experimental determinations of polariton-polariton interactions in microcavities
D. W. Snoke, V. Hartwell, J. Beaumariage +7
The polariton-polariton interaction strength is an important parameter for all kinds of applications using the nonlinear properties of polaritons, such as optical switching and sin…
Photoluminescence switching in a two-dimensional atomic crystal
Zheng Sun, Ke Xu, Chang Liu +5
Two-dimensional materials are an emerging class of new materials with a wide range of electrical and optical properties and potential applications. Single-layer structures of semic…
Dynamics of spin polarization in tilted polariton rings
S. Mukherjee, V. K. Kozin, A. V. Nalitov +9
We have observed the effect of pseudo magnetic field originating from the polaritonic analog of spin-orbit coupling (TETM splitting) on a polariton condensate in a ring-shaped m…
Observation of the Interlayer Exciton Gases in WSe -p: WSe Heterostructures
Zheng Sun, Jonathan Beaumariage, Qingrui Cao +4
Interlayer excitons (IXs) possess a much longer lifetime than intralayer excitons due to the spatial separation of the electrons and holes; hence, they have been pursued to create…
Direct observation of the quantum-fluctuation driven amplitude mode in a microcavity polariton condensate
Mark Steger, Ryo Hanai, Alexander Orson Edelman +7
The Higgs amplitude mode is a collective excitation studied and observed in a broad class of matter, including superconductors, charge density waves, antiferromagnets, 3He p-wave s…
Observation of Non-equilibrium Motion and Equilibration in Polariton Rings
S. Mukherjee, D. M. Myers, R. G. Lena +8
We present a study of the macroscopic dynamics of a polariton condensate formed by non-resonant optical excitation in a quasi-one-dimensional ring-shaped microcavity. The presence…
Pushing Photons with Electrons: Observation of the Polariton Drag Effect
D. M. Myers, Q. Yao, H. Alnatah +6
We show the direct effect of free electrons colliding with polaritons, changing their momentum. The result of this interaction of the electrons with the polaritons is a change in t…