activity
20202026
most citedAll-optical polarization and amplitude modulation of second-harmonic generation in atomically thin semiconductors

146 citations · 459 across the 19 of their papers we have counts for

collaborators

20 papers

cond-mat.mtrl-sci2026

Electron spin resonance driven photogalvanic effect in graphene-based structures

C. Bray, I. Yahniuk, L. E. Golub +13

We report an electron-spin-resonance-driven linear photogalvanic effect (LPGE) in unbiased monolayer graphene and WSe_2/graphene heterostructures. Under linearly polarized 45--75 G…

quant-ph2026

Tailoring optical Schrödinger cat states via orientation-dependent high-harmonic generation in

Ziyang Gan, Ahai Chen, Yuhai Jiang

We theoretically demonstrate that the molecular orientation angle provides a structurally intrinsic, continuously tunable control parameter for engineering optical Schrödinger…

physics.optics2026

Optimized near-field optical response via adaptive tip illumination

Tao Chen, Wei Wang, Ziyang Gan +7

The performance of tip-enhanced optical microscopy is often limited by inefficient coupling of the excitation field to the plasmonic tip apex, as well as by thermal drift and optic…

cond-mat.mes-hall2025

Tuning proximity-induced spin-orbit coupling in graphene/WSe heterostructures

Tobias Rockinger, Bálint Szentpéteri, Szabolcs Csonka +10

Recently, proximity-induced spin-orbit coupling (SOC) has been observed in heterostructures consisting of monolayer graphene (ML-G) and transition metal dichalcogenides (TMDCs) suc…

cond-mat.mes-hall2025★ 1 cited

Enhancement of the WS A Raman Mode in MoS/WS Heterostructures

Annika Bergmann-Iwe, Tomasz Woźniak, Mustafa Hemaid +9

When combined into van der Waals heterostructures, transition metal dichalcogenide monolayers enable the exploration of novel physics beyond their unique individual properties. How…

physics.app-ph2024★ 2 cited

Photoluminescence-Based Gas Sensing with MoS2 Monolayers

Gia Quyet Ngo, Chanaprom Cholsuk, Sebastian Thiele +6

Two-dimensional transition metal dichalcogenides (TMDs) are highly appealing for gas sensors, lab-on-a-chip devices and bio-sensing applications because of their strong light-matte…

physics.optics2024★ 10 cited

Influence of resonant plasmonic nanoparticles on optically accessing the valley degree of freedom in 2D semiconductors

Tobias Bucher, Zlata Fedorova, Mostafa Abasifard +10

The valley degree of freedom is one of the most intriguing properties of atomically thin transition metal dichalcogenides. Together with the possibility to address this degree of f…

cond-mat.mes-hall2023★ 25 cited

Kapitza-resistance-like exciton dynamics in atomically flat MoSe-WSe lateral heterojunction

Hassan Lamsaadi, Dorian Beret, Ioannis Paradisanos +13

Being able to control the neutral excitonic flux is a mandatory step for the development of future room-temperature two-dimensional excitonic devices. Semiconducting Monolayer Tran…

eess.IV2023

A Dataset for Deep Learning-based Bone Structure Analyses in Total Hip Arthroplasty

Kaidong Zhang, Ziyang Gan, Dong Liu +1

Total hip arthroplasty (THA) is a widely used surgical procedure in orthopedics. For THA, it is of clinical significance to analyze the bone structure from the CT images, especiall…

physics.atom-ph2023

Probing Electronic Motion and Core Potential by Coulomb-reshaped Terahertz Radiation

Ziyang Gan, Kaixuan Zhang, Yuan Gao +5

The nature of electronic motion and structural information of atoms and molecules is encoded into strong-field induced radiations ranging from terahertz (THz) to extreme ultraviole…

cond-mat.mes-hall2023★ 73 cited

Interface engineering of charge-transfer excitons in 2D lateral heterostructures

Roberto Rosati, Ioannis Paradisanos, Libai Huang +9

The existence of bound charge transfer (CT) excitons at the interface of monolayer lateral heterojunctions has been debated in literature, but contrary to the case of interlayer ex…

physics.optics2023★ 3 cited

Coulomb potential determining terahertz polarization in two-color laser field

Yuan Gao, Yizhu Zhang, Kaixuan Zhang +3

The orientation and ellipticity of terahertz (THz) polarization generated by two-color strong field not only cast light on underlying mechanisms of laser-matter interaction, but al…

physics.app-ph2022

Direct Growth of Monolayer MoS on Nanostructured Silicon Waveguides

Athira Kuppadakkath, Emad Najafidehaghani, Ziyang Gan +20

We report for the first time the direct growth of Molybdenum disulfide (MoS) monolayers on nanostructured silicon-on-insulator waveguides. Our results indicate the possibility…

physics.optics2022★ 7 cited

Tuning nanowire lasers via hybridization with two-dimensional materials

Edwin Eobaldt, Francesco Vitale, Maximilian Zapf +9

Mixed dimensional hybrid structures have recently gained increasing attention as promising building blocks for novel electronic and optoelectronic devices. In this context, hybridi…

cond-mat.mtrl-sci2022★ 62 cited

One pot chemical vapor deposition of high optical quality large area monolayer Janus transition metal dichalcogenides

Ziyang Gan, Ioannis Paradisanos, Ana Estrada-Real +13

We report one-pot chemical vapor deposition (CVD) growth of large-area Janus SeMoS monolayers, with the asymmetric top (Se) and bottom (S) chalcogen atomic planes with respect to t…

cond-mat.mtrl-sci2022★ 37 cited

Exciton spectroscopy and diffusion in MoSe2-WSe2 lateral heterostructures encapsulated in hexagonal boron nitride

Dorian Beret, Ioannis Paradisanos, Ziyang Gan +17

Chemical vapor deposition (CVD) allows lateral edge epitaxy of transition metal dichalcogenide heterostructures with potential applications in optoelectronics. Critical for carrier…

cond-mat.mtrl-sci2021★ 44 cited

Signatures of multi-band effects in high-harmonic generation in monolayer MoS

Lun Yue, Richard Hollinger, Can B. Uzundal +10

High-harmonic generation (HHG) in solids has been touted as a way to probe ultrafast dynamics and crystal symmetries in condensed matter systems. Here, we investigate the polarizat…

physics.optics2021★ 146 cited

All-optical polarization and amplitude modulation of second-harmonic generation in atomically thin semiconductors

Sebastian Klimmer, Omid Ghaebi, Ziyang Gan +4

Second-harmonic generation is of paramount importance in several fields of science and technology, including frequency conversion, self-referencing of frequency combs, nonlinear sp…

physics.optics2021★ 1 cited

In-fiber second-harmonic generation with embedded two-dimensional materials

Gia Quyet Ngo, Emad Najafidehaghani, Ziyang Gan +10

Silica-based optical fibers are a workhorse of nonlinear optics. They have been used to demonstrate nonlinear phenomena such as solitons and self-phase modulation. Since the introd…

physics.app-ph2020★ 48 cited

Scalable functionalization of optical fibers using atomically thin semiconductors

Gia Quyet Ngo, Antony George, Robin Tristan Klaus Schock +14

Atomically thin transition metal dichalcogenides are highly promising for integrated optoelectronic and photonic systems due to their exciton-driven linear and nonlinear interactio…