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Deterministic fabrication of blue quantum emitters in hexagonal boron nitride
Angus Gale, Chi Li, Yongliang Chen +4
Hexagonal boron nitride (hBN) is gaining considerable attention as a solid-state host of quantum emitters from the ultraviolet to the near infrared spectral ranges. However, atomic…
Highly directional and coherent emission from dark excitons enabled by bound states in the continuum
Xuezhi Ma, Kaushik Kudtarkar, Yixin Chen +8
A double-edged sword in two-dimensional material science and technology is an optically forbidden dark exciton. On the one hand, it is fascinating for condensed matter physics, qua…
Enhancement of Exciton Valley Polarization in Monolayer MoS2 Induced by Scattering
Yueh-Chun Wu, Takashi Taniguchi, Kenji Watanabe +1
We report on scattering induced valley polarization enhancement in monolayer molybdenum disulfide. With thermally activated and charge doping introduced scattering, our sample exhi…
Moiré-localized interlayer exciton wavefunctions captured by imaging its electron and hole constituents
Ouri Karni, Elyse Barré, Vivek Pareek +21
Interlayer excitons (ILXs) - electron-hole pairs bound across two atomically thin layered semiconductors - have emerged as attractive platforms to study exciton condensation, singl…
Mode-center Placement of Monolayer WS in a Photonic Polymer Waveguide
Angelina Frank, Justin Zhou, James A. Grieve +8
Effective integration of 2D materials such as monolayer transition metal dichalcogenides (TMDs) into photonic waveguides and integrated circuits is being intensely pursued due to t…
Engineering optically active defects in hexagonal boron nitride using focused ion beam and water
Evgenii Glushkov, Michal Macha, Esther Rath +11
Hexagonal boron nitride (hBN) has emerged as a promising material platform for nanophotonics and quantum sensing, hosting optically-active defects with exceptional properties such…
Phonon-Enhanced Nonlinearities in Hexagonal Boron Nitride
Jared S. Ginsberg, M. Mehdi Jadidi, Jin Zhang +10
We investigate optical nonlinearities that are induced and enhanced due to the strong phonon resonance in hexagonal boron nitride. We predict and observe large sub-picosecond durat…
Creating Quantum Emitters in Hexagonal Boron Nitride Deterministically on Chip-Compatible Substrates
Xiaohui Xu, Zachariah O. Martin, Demid Sychev +6
Two-dimensional hexagonal boron nitride (hBN) that hosts bright room-temperature single-photon emitters (SPEs) is a promising material platform for quantum information applications…
Efficient Fizeau Drag from Dirac electrons in monolayer graphene
Wenyu Zhao, Sihan Zhao, Hongyuan Li +11
Fizeau demonstrated in 1850 that the speed of light can be modified when it is propagating in moving media. Can we achieve such control of the light speed efficiently with a fast-m…