1.8k citations · 5k across the 46 of their papers we have counts for
49 papers
ChatGPT-4 with Code Interpreter can be used to solve introductory college-level vector calculus and electromagnetism problems
Tanuj Kumar, Mikhail A. Kats
We evaluated ChatGPT 3.5, 4, and 4 with Code Interpreter on a set of college-level engineering-math and electromagnetism problems, such as those often given to sophomore electrical…
The Effect of Dust and Hotspots on the Thermal Stability of Laser Sails
Gabriel R. Jaffe, Gregory R. Holdman, Min Seok Jang +3
Laser sails propelled by gigawatt-scale ground-based laser arrays have the potential to reach relativistic speeds, traversing the solar system in hours and reaching nearby stars in…
Electrically tunable VO2-metal metasurface for mid-infrared switching, limiting, and nonlinear isolation
Jonathan King, Chenghao Wan, Tae Joon Park +4
We demonstrate an electrically controlled metal-VO2 metasurface for the mid-wave infrared that simultaneously functions as a tunable optical switch, an optical limiter with a tunab…
Colossal optical anisotropy from atomic-scale modulations
Hongyan Mei, Guodong Ren, Boyang Zhao +17
In modern optics, materials with large birefringence (Δn, where n is the refractive index) are sought after for polarization control (e.g. in wave plates, polarizing beam splitters…
Metasurface-enhanced mid-infrared spectrochemical imaging of tissues
S. Rosas, K. A. Schoeller, E. Chang +5
Label-free and nondestructive mid-infrared vibrational hyperspectral imaging is emerging as an important ex-vivo tissue analysis tool, providing spatially resolved biochemical info…
Lateral beam shifts and depolarization upon oblique reflection from dielectric mirrors
Yuzhe Xiao, Linipun Phuttitarn, Trent Michael Graham +3
Dielectric mirrors comprising thin-film multilayers are widely used in optical experiments because they can achieve substantially higher reflectance compared to metal mirrors. Here…
Heavily doped zinc oxide with plasma frequencies in the telecommunication wavelength range
Alexander Koch, Hongyan Mei, Jura Rensberg +10
We demonstrate heavy and hyper doping of ZnO by a combination of gallium (Ga) ion implantation using a focused ion beam (FIB) system and post-implantation laser annealing. Ion impl…
Orientation Controlled Anisotropy in Single Crystals of Quasi-1D BaTiS3
Boyang Zhao, Md Shafkat Bin Hoque, Gwan Yeong Jung +17
Low-dimensional materials with chain-like (one-dimensional) or layered (twodimensional) structures are of significant interest due to their anisotropic electrical, optical, thermal…
Wavelength-by-wavelength temperature-independent thermal radiation utilizing an insulator-metal transition
Jonathan King, Alireza Shahsafi, Zhen Zhang +7
Both the magnitude and spectrum of the blackbody-radiation distribution change with temperature. Here, we designed the temperature-dependent spectral emissivity of a coating to cou…
Infrared Optical Spectroscopy of Molten Fluorides: Methods, Electronic and Vibrational Data, Structural Interpretation, and Relevance to Radiative Heat Transfer
Will B. Derdeyn, Sara Mastromarino, Ruchi Gakhar +3
To help address the need for predicting radiative heat transfer (RHT) behavior of molten salts, we conducted a comprehensive review of methods and data from infrared optical spectr…
Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams
Hongyan Mei, Alexander Koch, Chenghao Wan +10
We demonstrate spatial modification of the optical properties of thin-film metal oxides, zinc oxide and vanadium dioxide as representatives, using a commercial focused ion beam (FI…
Thermal runaway of silicon-based laser sails
Gregory R. Holdman, Gabriel R. Jaffe, Min Seok Jang +3
Laser sail-based spacecraft -- where a powerful earth-based laser propels a lightweight outer-space vehicle -- have been recently proposed by the Breakthrough Starshot Initiative a…
Fast recovery of ion-irradiation-induced defects in Ge2Sb2Te5 thin films at room temperature
Martin Hafermann, Robin Schock, Chenghao Wan +3
Phase-change materials serve a broad field of applications ranging from non-volatile electronic memory to optical data storage by providing reversible, repeatable, and rapid switch…
Switchable induced-transmission filters enabled by vanadium dioxide
Chenghao Wan, David Woolf, Colin M. Hessel +6
Abstract: An induced-transmission filter (ITF) uses an ultrathin layer of metal positioned at an electric-field node within a dielectric thin-film bandpass filter to select one tra…
Efficient generation of optical bottle beams
Yuzhe Xiao, Zhaoning Yu, Raymond A. Wambold +5
Optical bottle beams can be used to trap atoms and small low-index particles. We introduce a figure of merit for optical bottle beams, specifically in the context of optical traps,…
Passive frequency conversion of ultraviolet images into the visible using perovskite nanocrystals
Jad Salman, Mahesh K. Gangishetty, Bryan E. Rubio-Perez +8
We demonstrate a passive down-conversion imaging system that converts broadband ultraviolet light to narrow-band green light while preserving the directionality of rays, and thus e…
Correcting thermal-emission-induced detector saturation in infrared reflection or transmission spectroscopy
C. Yao, H. Mei, Y. Xiao +7
We found that temperature-dependent infrared spectroscopy measurements (i.e., reflectance or transmittance) using a Fourier-transform spectrometer can have substantial errors, espe…
Planck spectroscopy
Yuzhe Xiao, Chenghao Wan, Jad Salman +4
All spectrometers rely on some mechanism to achieve spectral selectivity; common examples include gratings, prisms, and interferometers with moving mirrors. We experimentally demon…
Hyperspectral interference tomography of nacre
Jad Salman, Cayla A. Stifler, Alireza Shahsafi +12
Structural characterization of biologically formed materials is essential for understanding biological phenomena and their environment, and generating new bio-inspired engineering…
Adjoint-optimized nanoscale light extractor for nitrogen-vacancy centers in diamond
Raymond A. Wambold, Zhaoning Yu, Yuzhe Xiao +7
We designed a nanoscale light extractor (NLE) for efficient outcoupling and beaming of broadband light emitted by shallow, negatively charged nitrogen-vacancy (NV) centers in bulk…
Infrared polarizer based on direct coupling to surface-plasmon polaritons
A. Shahsafi, J. Salman, B. E. Rubio Perez +3
We propose a new type of reflective polarizer based on polarization-dependent coupling to surface-plasmon polaritons (SPPs) from free space. This inexpensive polarizer is relativel…
Ultrathin broadband reflective optical limiter
Chenghao Wan, Zhen Zhang, Jad Salman +7
Optical limiters are nonlinear devices that feature decreasing transmittance with increasing incident optical intensity, and thus can protect sensitive components from high-intensi…
Scalable near-infrared graphene plasmonic resonators exhibiting strong non-local and electron quantization effects
Joel. F. Siegel, Jonathan H. Dwyer, Anjali Suresh +11
Graphene plasmonic resonators have been broadly studied in the terahertz and mid-infrared ranges because of their electrical tunability and large confinement factors which can enab…
How to organize an online conference
Orad Reshef, Igor Aharonovich, Andrea Armani +4
On January 13th 2020, the inaugural Photonics Online Meetup (POM) brought together more than 1100 researchers to discuss the latest advances in photonics. Or rather, it didn't, bec…