240 citations · 1.1k across the 21 of their papers we have counts for
22 papers
Anomalous Reflection Under Ambient Sunlight: Accessing In-Plane Radiation Pressure for Solar Sailing
Tom Joly-Jehenne, Artur R. Davoyan
Harnessing solar radiation pressure is key to transforming space exploration with multiple low cost sunlight propelled spacecraft to outer reaches of space. By controlling the dire…
Science opportunities with solar sailing smallsats
Slava G. Turyshev, Darren Garber, Louis D. Friedman +25
Recently, we witnessed how the synergy of small satellite technology and solar sailing propulsion enables new missions. Together, small satellites with lightweight instruments and…
Exciton Assisted Deeply Subwavelength Nano-Photonics
Haonan Ling, Arnab Manna, Jialiang Shen +6
The wave nature of light sets a fundamental diffraction limit that challenges confinement and control of light in nanoscale structures with dimensions significantly smaller than th…
Solar Sail Propulsion by 2050: An Enabling Capability for Heliophysics Missions
Les Johnson, Nathan Barnes, Matteo Ceriotti +11
Solar sails enable missions to observe the solar environment from unique vantage points, such as sustained observations away from the Sun-Earth line; sub-L1 station keeping; high i…
Atomic-Void van der Waals Channel Waveguides
Haonan Ling, Jacob B. Khurgin, Artur R. Davoyan
Layered van der Waals materials offer a unique platform for creating atomic-void channels with sub-nanometer dimensions. Coupling light into these channels may further advance sens…
A Mission to Nature's Telescope for High-Resolution Imaging of an Exoplanet
Louis D. Friedman, Darren Garber, Slava G. Turyshev +4
The solar gravitational lens (SGL) provides a factor of amplification for viewing distant point sources beyond our solar system. As such, it may be used for resolved imag…
Light-Sail Photonic Design for Fast-Transit Earth Orbital Maneuvering and Interplanetary Flight
Ho-Ting Tung, Artur Davoyan
Space exploration is of paramount importance to advancing fundamental science and providing global services, such as navigation and communications. However, today's space missions…
A Framework for Discovering Optimal Solutions in Photonic Inverse Design
Jagrit Digani, Phillip Hon, Artur R. Davoyan
Photonic inverse design has emerged as an indispensable engineering tool for complex optical systems. In many instances it is important to optimize for both material and geometry c…
A Fast Response Mission to Rendezvous with an Interstellar Object
Darren Garber, Louis D. Friedman, Artur R. Davoyan +4
A solar sail propelled small satellite mission concept to intercept and potentially rendezvous with newly discovered transient interstellar objects (ISOs) is described. The mission…
Light-Matter Coupling in Scalable Van der Waals Superlattices
Pawan Kumar, Jason Lynch, Baokun Song +19
Two-dimensional (2D) crystals have renewed opportunities in design and assembly of artificial lattices without the constraints of epitaxy. However, the lack of thickness control in…
Spatiotemporal Imaging of Thickness-Induced Band Bending Junctions
Joeson Wong, Artur R. Davoyan, Bolin Liao +8
Van der Waals materials exhibit naturally passivated surfaces and can form versatile heterostructures, enabling observation of carrier transport mechanisms not seen in three-dimens…
All van der Waals Integrated Nanophotonics
Haonan Ling, Renjie Li, Artur R. Davoyan
Integrated optics is at the heart of a wide range of systems from remote sensing and communications to computing and quantum information processing. Demand for smaller and more ene…
Exploring the Outer Solar System with Solar Sailing Smallsats on Fast-Transit Trajectories and In-Flight Autonomous Assembly of Advanced Science Payloads
Slava G. Turyshev, Henry Helvajian, Louis D. Friedman +4
We discuss the in-flight autonomous assembly as the means to build advanced planetary science payloads to explore the outer regions of the solar system. These payloads are robotica…
Direct Multipixel Imaging and Spectroscopy of an Exoplanet with a Solar Gravity Lens Mission
Slava G. Turyshev, Michael Shao, Viktor T. Toth +15
We examined the solar gravitational lens (SGL) as the means to produce direct high-resolution, multipixel images of exoplanets. The properties of the SGL are remarkable: it offers…
Hybrid Exciton-Plasmon-Polaritons in van der Waals Semiconductor Gratings
Huiqin Zhang, Bhaskar Abhiraman, Qing Zhang +6
Van der Waals materials and heterostructures manifesting strongly bound room temperature exciton states exhibit emergent physical phenomena and are of a great promise for optoelect…
Purcell Enhancement of Parametric Luminescence: Bright and Broadband Nonlinear Light Emission in Metamaterials
Artur R. Davoyan, Harry A. Atwater
Single-photon and correlated two-photon sources are important elements for optical information systems. Nonlinear downconversion light sources are robust and stable emitters of sin…
Hot Carrier Dynamics in Photoexcited Gold Nanostructures: Role of Interband Excitations and Evidence for Ballistic Transport
Giulia Tagliabue, Adam S Jermyn, Ravishankar Sundararaman +5
Harnessing short-lived photoexcited electron-hole pairs in metal nanostructures has the potential to define a new phase of optoelectronics, enabling control of athermal mechanisms…
High Photovoltaic Quantum Efficiency in Ultrathin van der Waals Heterostructures
Joeson Wong, Deep Jariwala, Giulia Tagliabue +4
We report experimental measurements for ultrathin (< 15 nm) van der Waals heterostructures exhibiting external quantum efficiencies exceeding 50%, and show that these structures ca…
Gate-Variable Mid-Infrared Optical Transitions in a Topological Insulator
William S. Whitney, Victor W. Brar, Yunbo Ou +6
We report mid-infrared spectroscopy measurements of an electrostatically gated topological insulator, in which we observe several percent modulation of transmittance and reflectanc…
Optical Magnetism in Planar Metamaterial Heterostructures
Georgia T. Papadakis, Dagny Fleischman, Artur Davoyan +2
Harnessing artificial optical magnetism requires rather complex two- and three-dimensional structures, examples include split-ring and fishnet metamaterials and nanoparticles with…
Near Unity Absorption in Van der Waals Semiconductors for Ultrathin Optoelectronics
Deep Jariwala, Artur R. Davoyan, Giulia Tagliabue +3
We demonstrate near unity, broadband absorbing optoelectronic devices using sub-15 nm thick transition metal dichalcogenides (TMDCs) of molybdenum and tungsten as van der Waals sem…
Optical Bloch oscillations in periodic structures with metamaterials
Artur R. Davoyan, Ilya V. Shadrivov, Andrey A. Sukhorukov +1
We predict that optical Bloch oscillations can be observed in layered structures with left-handed metamaterials and zero average refractive index where the layer thickness varies l…