2k citations · 6.5k across the 32 of their papers we have counts for
32 papers
A unified resource-pool architecture for high-dimensional direct-detection optical communication
Jingze Liu, Zhijuan Gu, Xinyang Yu +12
Increasing optical communication capacity without proportionally increasing receiver complexity remains a key challenge for direct-detection links. Conventional systems typically a…
Localization and interaction of interlayer excitons in MoSe/WSe heterobilayers
Hanlin Fang, Qiaoling Lin, Yi Zhang +6
Transition metal dichalcogenide (TMD) heterobilayers provide a versatile platform to explore unique excitonic physics via properties of the constituent TMDs and external stimuli. I…
Twist-phase-matching in two-dimensional materials
Hao Hong, Chen Huang, Chenjun Ma +6
Optical phase-matching involves establishing a proper phase relationship between the fundamental and generated waves to enable efficient optical parametric processes. It is typical…
Chip-scale, CMOS-compatible, high energy passively Q-switched laser
Neetesh Singh, Jan Lorenzen, Milan Sinobad +13
Chip-scale, high-energy optical pulse generation is becoming increasingly important as we expand activities into hard to reach areas such as space and deep ocean. Q-switching of th…
A room-temperature moiré interlayer exciton laser
Qiaoling Lin, Hanlin Fang, Yuanda Liu +10
Moiré superlattices in van der Waals heterostructures offer highly tunable quantum systems with emergent electronic and excitonic properties such as superconductivity, topological…
Gate-tunable negative refraction of mid-infrared polaritons
Hai Hu, Na Chen, Hanchao Teng +11
Negative refraction provides an attractive platform to manipulate mid-infrared and terahertz radiation for molecular sensing and thermal radiation applications. However, its implem…
Probing Electronic States in Monolayer Semiconductors through Static and Transient Third-Harmonic Spectroscopy
Yadong Wang, Fadil Iyikanat, Habib Rostami +10
Electronic states and their dynamics are of critical importance for electronic and optoelectronic applications. Here, we probe various relevant electronic states in monolayer MoS2,…
Chip-integrated van der Waals PN heterojunction photodetector with low dark current and high responsivity
Ruijuan Tian, Xuetao Gan, Chen Li +7
Two-dimensional materials are attractive for constructing high-performance photonic chip-integrated photodetectors because of their remarkable electronic and optical properties and…
Strong Second Harmonic Generation from Bilayer Graphene with Symmetry Breaking by Redox-Governed Charge Doping
Mingwen Zhang, Nannan Han, Jing Wang +5
Missing second-order nonlinearity in centrosymmetric graphene overshadows its intriguing optical attribute. Here, we report redox-governed charge doping could effectively break the…
Doping-driven topological polaritons in graphene/α-MoO3 heterostructures
Hai Hu, Na Chen, Hanchao Teng +15
Controlling the charge carrier density provides an efficient way to trigger phase transitions and modulate the optoelectronic properties in natural materials. This approach could b…
Spatially indirect intervalley excitons in bilayer WSe2
Zhiheng Huang, Yanchong Zhao, Tao Bo +16
Spatially indirect excitons with displaced wavefunctions of electrons and holes play a pivotal role in a large portfolio of fascinating physical phenomena and emerging optoelectron…
Optically and magnetically addressable valley pseudospin of interlayer excitons in bilayer MoS2
Yanchong Zhao, Luojun Du, Shiqi Yang +13
Interlayer valley excitons in bilayer MoS2 feature concurrently large oscillator strength and long lifetime, and hence represent an advantageous scenario for valleytronic applicati…
Boosting the SiN nonlinear photonic platform with transition metal dichalcogenide monolayers
Vincent Pelgrin, Yuchen Wang, Jonathan Peltier +4
In the past few years, we have witnessed an increased interest in the use of 2D materials for the realization of hybrid photonic nonlinear waveguides. Although graphene has attract…
Engineering symmetry breaking in two-dimensional layered materials
Luojun Du, Tawfique Hasan, Andres Castellanos-Gomez +4
Symmetry breaking in two-dimensional layered materials plays a significant role in their macroscopic electrical, optical, magnetic and topological properties, including but not lim…
Lattice dynamics, phonon chirality and spin-phonon coupling in 2D itinerant ferromagnet Fe3GeTe2
Luojun Du, Jian Tang, Yanchong Zhao +13
Fe3GeTe2 has emerged as one of the most fascinating van der Waals crystals due to its two-dimensional (2D) itinerant ferromagnetism, topological nodal lines and Kondo lattice behav…
Study of electron emission from 1D nanomaterials under super high field
Chi Li, Ke Chen, Mengxue Guan +9
Photoemission driven by a strong electric field of near-infrared or visible light, referred to as strong-field photoemission, produces attosecond electron pulses that are synchroni…
Optical harmonic generation in monolayer group-VI transition metal dichalcogenides
Anton Autere, Henri Jussila, Andrea Marini +12
Monolayer transition metal dichalcogenides (TMDs) exhibit high nonlinear optical (NLO) susceptibilities. Experiments on MoS have indeed revealed very large second-order ($χ^{(2…
Low-power continuous-wave second harmonic generation in semiconductor nanowires
Qingchen Yuan, Liang Fang, He Yang +5
Semiconductor nanowires (NWs) are promising for realizing various on-chip nonlinear optical devices, due to their nanoscale lateral confinement and strong light-matter interaction.…
Vapor-Liquid-Solid Growth of Monolayer MoS2 Nanoribbons
Shisheng Li, Yung-Chang Lin, Wen Zhao +19
Chemical vapor deposition (CVD) of two-dimensional (2D) materials such as monolayer MoS2 typically involves the conversion of vapor-phase precursors to a solid product in a process…
Ultrafast field-driven monochromatic photoemission from carbon nanotubes
Chi Li, Xu Zhou, Feng Zhai +9
Ultrafast electron pulses, combined with laser-pump and electron-probe technologies, allow for various forms of ultrafast microscopy and spectroscopy to elucidate otherwise challen…
Ultra-strong nonlinear optical processes and trigonal warping in MoS layers
A. Säynätjoki, L. Karvonen, H. Rostami +11
We report ultra-strong high-order nonlinear multiphoton processes in monolayer MoS (1L-MoS): the third harmonic is thirty times stronger than the second harmonic, and the f…
Far-field nanoscale infrared spectroscopy of vibrational fingerprints of molecules with graphene plasmons
Hai Hu, Xiaoxia Yang, Feng Zhai +5
Infrared spectroscopy, especially for molecular vibrations in the fingerprint region between 600 and 1500 cm-1, is a powerful characterization method for bulk materials. However, m…
Optical modulators with two-dimensional layered materials
Zhipei Sun, Amos Martinez, Feng Wang
Light modulation is an essential operation in photonics and optoelectronics. With existing and emerging technologies increasingly demanding compact, efficient, fast and broadband o…
Broadband laser polarization control with aligned carbon nanotubes
He Yang, Bo Fua, Diao Lia +12
We introduce a simple approach to fabricate aligned carbon nanotube (ACNT) device for broadband polarization control in fiber laser systems. The ACNT device was fabricated by pulli…