240 citations · 756 across the 15 of their papers we have counts for
15 papers
Electrostatic control of nonlinear photonic-crystal polaritons in a monolayer semiconductor
Ekaterina Khestanova, Vanik Shahnazaryan, Valerii K. Kozin +6
Integration of 2D semiconductors with photonic crystal slabs provides an attractive approach to achieve strong light--matter coupling and exciton-polariton formation in a planar ch…
Probing and control of guided exciton-polaritons in a 2D semiconductor-integrated slab waveguide
Valeriy I. Kondratyev, Dmitry V. Permyakov, Tatyana V. Ivanova +5
Guided 2D exciton-polaritons, resulting from the strong coupling of excitons in semiconductors with non-radiating waveguide modes, provide an attractive approach towards developing…
Robustness of momentum-indirect interlayer excitons in MoS2/WSe2 heterostructure against charge carrier doping
Ekaterina Khestanova, Tatyana Ivanova, Roland Gillen +13
Monolayer transition-metal dichalcogenide (TMD) semiconductors exhibit strong excitonic effects and hold promise for optical and optoelectronic applications. Yet, electron doping o…
Photoluminescence imaging of single photon emitters within nanoscale strain profiles in monolayer WSe
Artem N. Abramov, Igor Y. Chestnov, Ekaterina S. Alimova +6
Local deformation of atomically thin van der Waals materials provides a powerful approach to create site-controlled chip-compatible single-photon emitters (SPEs). However, the micr…
Nonlinear self-action of ultrashort guided exciton-polariton pulses in dielectric slab coupled to 2D semiconductor
F. A. Benimetskiy, A. Yulin, A. O. Mikhin +6
Recently reported large values of exciton-polariton nonlinearity of transition metal dichalcogenide (TMD) monolayers coupled to optically resonant structures approach the values ch…
Dynamical Control of Interlayer Excitons and Trions in WSe/MoWSe Heterobilayer via Tunable Near-Field Cavity
Yeonjeong Koo, Hyeongwoo Lee, Tatiana Ivanova +5
Emerging photo-induced excitonic processes in transition metal dichalcogenide (TMD) heterobilayers, e.g., coupling, dephasing, and energy transfer of intra- and inter-layer exciton…
Valley polarization of trions in monolayer MoSe interfaced with bismuth iron garnet
V. Kravtsov, T. Ivanova, A. N. Abramov +8
Interfacing atomically thin van der Waals semiconductors with magnetic substrates enables additional control on their intrinsic valley degree of freedom and provides a promising pl…
Spin-valley dynamics in alloy-based transition metal dichalcogenide heterobilayers
V. Kravtsov, A. D. Liubomirov, R. V. Cherbunin +11
Van der Waals heterobilayers based on 2D transition metal dichalcogenides have been recently shown to support robust and long-lived valley polarization for potential valleytronic a…
Structure, superconductivity, and magnetism in Rb1-xFe1.6Se2-zSz
D. Croitori, I. Filippova, V. Kravtsov +7
The single-crystal growth, stoichiometry, and structure of Rb1-xFe2-ySe2-zSz crystals with substitution of Se by S are reported. The variation of the magnetic and thermodynamic par…
Measurement of local optomechanical properties of a direct bandgap 2D semiconductor
F. Benimetskiy, V. Sharov, P. A. Alekseev +12
Strain engineering is a powerful tool for tuning physical properties of 2D materials, including monolayer transition metal dichalcogenides (TMD) -- direct bandgap semiconductors wi…
Nonlinear polaritons in monolayer semiconductor coupled to optical bound states in the continuum
V. Kravtsov, E. Khestanova, F. A. Benimetskiy +16
Optical bound states in the continuum (BICs) provide a way to engineer very narrow resonances in photonic crystals. The extended interaction time in such systems is particularly pr…
Enhanced third-order optical nonlinearity driven by surface-plasmon field gradients
Vasily Kravtsov, Sultan AlMutairi, Ronald Ulbricht +3
Achieving efficient nonlinear optical frequency conversion in small volumes is key for future on-chip photonic devices that would provide a higher-speed alternative to modern elect…
Structure, magnetic susceptibility and specific heat of the spin-orbital-liquid candidate FeSc2S4 : Influence of fe off-stoichiometry
V. Tsurkan, L. Prodan, V. Felea +7
We report structural, susceptibility and specific heat studies of stoichiometric and off-stoichiometric poly- and single crystals of the A-site spinel compound FeSc2S4. In stoichio…
Hybrid tip-enhanced nano-spectroscopy and -imaging of monolayer WSe2 with local strain control
Kyoung-Duck Park, Omar Khatib, Vasily Kravtsov +3
Many classes of two-dimensional (2D) materials have emerged as potential platforms for novel electronic and optical devices. However, the physical properties are strongly influence…
A nanofocused plasmon-driven sub-10 femtosecond electron point source
Melanie Müller, Vasily Kravtsov, Alexander Paarmann +2
Progress in ultrafast electron microscopy relies on the development of efficient laser-driven electron sources delivering femtosecond electron pulses to the sample. In particular,…