Publications (129)
Topologically protected four-dimensional optical singularities
Christina M. Spaegele, Michele Tamagnone, Soon Wei Daniel Lim +3
Optical singularities play a major role in modern optics and are frequently deployed in structured light, super-resolution microscopy, and holography. While phase singularities are…
Measurement of the Ultrafast Temporal Response of a Plasmonic Antenna
Maria Becker, Wayne Cheng-Wei Huang, Herman Batelaan +2
We report a measurement on the temporal response of a plasmonic antenna at the femtosecond time scale. The antenna consists of a square array of nanometer-size gold rods. We find t…
Metasurface-enabled compact, single-shot and complete Mueller matrix imaging
Aun Zaidi, Noah A. Rubin, Maryna L. Meretska +4
When light scatters off an object its polarization, in general, changes - a transformation described by the object's Mueller matrix. Mueller matrix imaging polarimetry is an import…
Guided Modes of Anisotropic van der Waals Materials Investigated by Near-Field Scanning Optical Microscopy
Daniel Wintz, Kundan Chaudhary, Ke Wang +11
Guided modes in anisotropic two-dimensional van der Waals materials are experimentally investigated and their refractive indices in visible wavelengths are extracted. Our method in…
InP/InAsP Nanowire-based Spatially Separate Absorption and Multiplication Avalanche Photodetectors
Vishal Jain, Magnus Heurlin, Enrique Barrigon +11
Avalanche photodetectors (APDs) are key components in optical communication systems due to their increased photocurrent gain and short response time as compared to conventional pho…
End-to-end metasurface inverse design for single-shot multi-channel imaging
Zin Lin, Raphaël Pestourie, Charles Roques-Carmes +4
We introduce end-to-end metaoptics inverse design for multi-channel imaging: reconstruction of depth, spectral and polarization channels from a single-shot monochrome image. The pr…
Inverse design of large-area metasurfaces
Raphaël Pestourie, Carlos Pérez-Arancibia, Zin Lin +3
We present a computational framework for efficient optimization-based "inverse design" of large-area "metasurfaces" (subwavelength-patterned surfaces) for applications such as mult…
Observation of the skin-depth effect on the Casimir force between metallic surfaces
Mariangela Lisanti, Davide Iannuzzi, Federico Capasso
We have performed comparative measurements of the Casimir force between a metallic plate and a transparent sphere coated with metallic films of different thicknesses. We have obser…
High efficiency dielectric metasurfaces at visible wavelengths
Robert C. Devlin, Mohammadreza Khorasaninejad, Wei-Ting Chen +2
Metasurfaces are planar optical elements that hold promise for overcoming the limitations of refractive and conventional diffractive optics1-3. Dielectric metasurfaces demonstrated…
Anisotropic Surface Plasmon Polariton Generation Using Bimodal V-Antenna Based Metastructures
Daniel Wintz, Antonio Ambrosio, Alexander Y. Zhu +2
V-shaped nanoantennas are among the popular choices for the unit element of a metasurface, a nanostructured surface used for its ability to mold and control the wavefront of light.…
Nonlinear Micromechanical Casimir Oscillator
H. B. Chan, V. A. Aksyuk, R. N. Kleiman +2
The Casimir force between uncharged metallic surfaces originates from quantum mechanical zero point fluctuations of the electromagnetic field. We demonstrate that this quantum elec…
Quantum electrodynamics of accelerated atoms in free space and in confined cavities
Alexey Belyanin, Federico Capasso, Edward Fry +4
We consider a gedanken experiment with a beam of atoms in their ground state that are accelerated through a single-mode microwave cavity. We show that taking into account of the ''…
Multimode Single-Ring Photonic Molecule
Jinsheng Lu, Ileana-Cristina Benea-Chelmus, Vincent Ginis +3
Photonic molecules can mimic interactions of atomic energy levels, offering new ways to manipulate cavity eigenstates. Current methods using evanescent coupling of multiple cavitie…
Ultra-compact In-Line Scattering Polarimetry
J. P. Balthasar Müller, Kristjan Leosson, Federico Capasso
In-line polarimeters perform non-destructive polarization measurements of optical signals, and play a critical role in monitoring and controlling the polarization environment in fo…
Computation and visualization of Casimir forces in arbitrary geometries: non-monotonic lateral forces and failure of proximity-force approximations
Alejandro Rodriguez, Mihai Ibanescu, Davide Iannuzzi +3
We present a method of computing Casimir forces for arbitrary geometries, with any desired accuracy, that can directly exploit the efficiency of standard numerical-electromagnetism…
Jones matrix holography with metasurfaces
Noah A. Rubin, Aun Zaidi, Ahmed Dorrah +2
We propose a new class of computer generated holograms whose far fields possess designer-specified polarization response. We dub these Jones matrix holograms. We provide a simple p…
Anomalous near-field heat transfer between a cylinder and a perforated surface
Alejandro W. Rodriguez, M. T. Homer Reid, Jaime Varela +3
We predict that the radiative heat-transfer rate between a cylinder and a perforated surface depends non-monotonically on their separation. This anomalous behavior, which arises du…
High-Power Directional Emission from Microlasers with Chaotic Resonators
Claire Gmachl, Federico Capasso, E. E. Narimanov +5
High-power and highly directional semiconductor cylinder-lasers based on an optical resonator with deformed cross section are reported. In the favorable directions of the far-field…
Aberration-free ultra-thin flat lenses and axicons at telecom wavelengths based on plasmonic metasurfaces
Francesco Aieta, Patrice Genevet, Mikhail A. Kats +4
The concept of optical phase discontinuities is applied to the design and demonstration of aberration-free planar lenses and axicons, comprising a phased array of ultrathin subwave…
Rotatum of Light
Ahmed H. Dorrah, Alfonso Palmieri, Lisa Li +1
Vortices are ubiquitous in nature and can be observed in fluids, condensed matter, and even in the formation of galaxies. Light, too, can evolve like a vortex. Optical vortices are…
Spectrally resolved linewidth enhancement factor of a semiconductor frequency comb
Nikola OpaÄak, Florian Pilat, Dmitry Kazakov +5
The linewidth enhancement factor (LEF) has recently moved into the spotlight of research on frequency comb generation in semiconductor lasers. Here we present a novel modulation ex…
Subfemtonewton Force Spectroscopy at the Thermal Limit in Liquids
Lulu Liu, Simon Kheifets, Vincent Ginis +1
We demonstrate thermally limited force spectroscopy using a probe formed by a dielectric microsphere optically trapped in water near a dielectric surface. We achieve force resoluti…
Cascaded-mode interferometers: spectral shape and linewidth engineering
Jinsheng Lu, Ileana-Cristina Benea-Chelmus, Vincent Ginis +2
Interferometers are essential tools to measure and shape optical fields, and are widely used in optical metrology, sensing, laser physics, and quantum mechanics. They superimpose w…
Self-healing of the Montgomery pattern
Athena Xu, Oscar de Vries, Alfonso Palmieri +3
Self-healing -- the ability of a structured beam to reconstruct its transverse profile after partial obstruction -- has been demonstrated for diffraction-free beams, where the reco…
Stable mode-locked pulses from mid-infrared semiconductor lasers
Christine Y. Wang, L. Kuznetsova, V. M. Gkortsas +13
We report the unequivocal demonstration of mid-infrared mode-locked pulses from a semiconductor laser. The train of short pulses was generated by actively modulating the current an…
High-power laser beam shaping using a metasurface for shock excitation and focusing at the microscale
Yun Kai, Jet Lem, Marcus Ossiander +6
Achieving high repeatability and efficiency in laser-induced strong shock wave excitation remains a significant technical challenge, as evidenced by the extensive efforts undertake…
Roadmap on multimode light shaping
Marco Piccardo, Vincent Ginis, Andrew Forbes +35
Our ability to generate new distributions of light has been remarkably enhanced in recent years. At the most fundamental level, these light patterns are obtained by ingeniously com…
Surface Modification for III-V Selective Area Molecular Beam Epitaxy of Non-Selective Mask Materials
Ashlee M. GarcÃa, Byron D. Aguilar, William J. Doyle +4
Selective-area embedded regrowth of III-V semiconductors by molecular beam epitaxy enables the seamless integration of metals and dielectrics into crystalline material for novel de…
Semiconductor ring laser frequency combs with active directional couplers
Dmitry Kazakov, Theodore P. Letsou, Maximilian Beiser +5
Rapid development of Fabry-Perot quantum cascade laser frequency combs has converted them from laboratory devices to key components of next-generation fast molecular spectrometers.…
Strong Asymmetric Surface Plasmon Polariton Emission by a Dipole Emitter near a Metal Surface
J. P. Balthasar Mueller, Federico Capasso
We show that the surface plasmon polariton (SPP) radiation patterns of point-dipole emitters in the vicinity of a metal-dielectric interface are generally asymmetric with respect t…
Enhancing Acceleration Radiation from Ground-State Atoms via Cavity Quantum Electrodynamics
Marlan O. Scully, Vitaly V. Kocharovsky, Alexey Belyanin +2
When ground state atoms are accelerated through a high Q microwave cavity, radiation is produced with an intensity which can exceed the intensity of Unruh acceleration radiation in…
Quantum-Well-Metasurface to Maximize Nonlinear Polarization
Pernille Undrum Fathi, Irene Occhiodori, Patrick Devaney +12
Nonlinear frequency conversion unlocks technologies ranging from telecommunications to quantum computation; however, weak nonlinearities and architectures that resist miniaturizati…
Metasurface-controlled holographic microcavities
Sydney Mason, Maryna Leonidivna Meretska, Christina Spägele +2
Optical microcavities confine light to wavelength-scale volumes and are a key component for manipulating and enhancing the interaction of light, vacuum states, and matter. Current…
Designing large, high-efficiency, high-numerical-aperture, transmissive meta-lenses for visible light
Steven J. Byrnes, Alan Lenef, Francesco Aieta +1
A metasurface lens (meta-lens) bends light using nanostructures on a flat surface. Macroscopic meta-lenses (mm- to cm-scale diameter) have been quite difficult to simulate and opti…
Heterogeneous Freeform Metasurfaces: A Platform for Advanced Broadband Dispersion Engineering
Zhaoyi Li, Sawyer D. Campbell, Joon-Suh Park +4
Metasurfaces, with their ability to control electromagnetic waves, hold immense potential in optical device design, especially for applications requiring precise control over dispe…
Phase and dispersion engineering of metalenses: broadband achromatic focusing and imaging in the visible
Wei Ting Chen, Alexander Y. Zhu, Vyshakh Sanjeev +4
Metasurfaces have the potential to miniaturize and improve the performance of any optical element, with applications spanning telecommunications, computing and wearable optics. How…
Ultrafast programmable Bragg reflection in photonic integrated circuits
Yunxiang Song, Pawan Ratra, Danxian Liu +12
The paper demonstrates programmable distributed Bragg reflectors on a photonic chip by using electro‑optic control of ferroelectric domains in thin‑film lithium niobate waveguides,…
Hybrid BaTiO3/TiO2 Metasurface for Efficient Gigahertz-Speed Free-Space Electro-Optic Modulation
Zhongpeng Sun, Kerolos M. A. Yousef, Michael Domm +13
Free-space electro-optic modulators are key to emerging photonic systems, yet their performance remains limited by trade-offs between modulation efficiency, bandwidth, and device a…
Evanescent-Wave Bonding Between Optical Waveguides
Michelle L. Povinelli, Marko Loncar, Mihai Ibanescu +4
Forces arising from overlap between the guided waves of parallel, microphotonic waveguides are calculated. Both attractive and repulsive forces, determined by the choice of relativ…
Do bilayer metasurfaces behave as a stack of decoupled single-layer metasurfaces?
Alfonso Palmieri, Ahmed H. Dorrah, Jun Yang +3
Flat optics or metasurfaces have opened new frontiers in wavefront shaping and its applications. Polarization optics is one prominent area which has greatly benefited from the shap…
Metasurfaces for free-space coupling to multicore fibers
Jaewon Oh, Jun Yang, Louis Marra +4
Space-division multiplexing (SDM) with multicore fibers (MCFs) is envisioned to overcome the capacity crunch in optical fiber communications. Within these systems, the coupling opt…
Scalable, ultra-resistant structural colors based on network metamaterials
Henning Galinski, Gael Favraud, Hao Dong +6
Structural colours have drawn wide attention for their potential as a future printing technology for various applications, ranging from biomimetic tissues to adaptive camouflage ma…
Designing evanescent optical interactions to control the expression of Casimir forces in optomechanical structures
Alejandro W. Rodriguez, David Woolf, Pui-Chuen Hui +5
We propose an optomechanical structure consisting of a photonic-crystal (holey) membrane suspended above a layered silicon-on-insulator substrate in which resonant bonding/antibond…
Optomechanical and Photothermal Interactions in Suspended Photonic Crystal Membranes
David N. Woolf, Pui-Chuen Hui, Eiji Iwase +7
We present here an optomechanical system fabricated with novel stress management techniques that allow us to suspend an ultrathin defect-free silicon photonic-crystal membrane abov…
Large Area Electrically Tunable Lenses Based on Metasurfaces and Dielectric Elastomer Actuators
Alan She, Shuyan Zhang, Samuel Shian +2
Tunable optical devices, in particular, varifocal lenses, have important applications in various fields, including imaging and adaptive vision. Recent advances in metasurfaces, whi…
Large Area Metalenses: Design, Characterization, and Mass Manufacturing
Alan She, Shuyan Zhang, Samuel Shian +2
Optical components, such as lenses, have traditionally been made in the bulk form by shaping glass or other transparent materials. Recent advances in metasurfaces provide a new bas…
Radiative thermal runaway due to negative differential thermal emission across a solid-solid phase transition
David M. Bierman, Andrej Lenert, Mikhail A. Kats +6
Thermal runaway occurs when a rise in system temperature results in heat generation rates exceeding dissipation rates. Here we demonstrate that thermal runaway occurs in thermal ra…
A two-colour heterojunction unipolar nanowire light-emitting diode by tunnel injection
Mariano A. Zimmler, Jiming Bao, Ilan Shalish +3
We present a systematic study of the current-voltage characteristics and electroluminescence of gallium nitride (GaN) nanowire on silicon (Si) substrate heterostructures where both…
Layered superconductors as negative-refractive-index metamaterials
A. L. Rakhmanov, V. A. Yampol'skii, J. A. Fan +2
We analyze the use of layered superconductors as anisotropic metamaterials. Layered superconductors can have a negative refraction index in a wide frequency range for arbitrary inc…
Lasing on hybridized soliton frequency combs
Theodore P. Letsou, Dmitry Kazakov, Pawan Ratra +10
Coupling is an essential mechanism that drives complexity in natural systems, transforming single, non-interacting elements into intricate networks with rich physical properties. H…
Stable suspension and dispersion-induced transitions from repulsive Casimir forces between fluid-separated eccentric cylinders
Alejandro W. Rodriguez, J. N. Munday, J. D. Joannopoulos +3
Using an exact numerical method for finite nonplanar objects, we demonstrate a stable mechanical suspension of a silica cylinder within a metallic cylinder separated by ethanol, vi…
Selective excitation and imaging of ultraslow phonon polaritons in thin hexagonal boron nitride crystals
Antonio Ambrosio, Michele Tamagnone, Kundan Chaudhary +4
Polaritons in 2D and van der Waals (vdW) materials have been investigated in several recent works as an innovative platform for light-matter interaction, rich of new physical pheno…
Nozaki-Bekki optical solitons
Nikola OpaÄak, Dmitry Kazakov, Lorenzo L. Columbo +8
Recent years witnessed rapid progress of chip-scale integrated optical frequency comb sources. Among them, two classes are particularly significant -- semiconductor Fabry-Perót la…
Resonance-Induced Sign Reversal of Optical Gradient Forces and Three-Dimensional Singularity Trapping
Jinsheng Lu, Soon Wei Daniel Lim, Federico Capasso
In atomic physics, tuning the light frequency across a resonance reverses the trapping force between bright and dark field regions, yet a unified analytical description of this pri…
Self-starting harmonic frequency comb generation in a quantum cascade laser
Dmitry Kazakov, Marco Piccardo, Yongrui Wang +7
Optical frequency combs establish a rigid phase-coherent link between microwave and optical domains and are emerging as high-precision tools in an increasing number of applications…
Monte-Carlo-based electromagnetic modeling of nanoscale structures: accounting for inhomogeneous broadening in polydisperse ensembles
Herman Gudjonson, Mikhail A. Kats, Kun Liu +3
Many experimental systems consist of large ensembles of uncoupled or weakly interacting elements operating as a single whole; this is the case in many experimental systems in nano-…
Engineering Phonon Polaritons in van der Waals Heterostructures to Enhance In-Plane Optical Anisotropy
Kundan Chaudhary, Michele Tamagnone, Mehdi Rezaee +4
Van der Waals heterostructures assembled from layers of 2D materials have attracted considerable interest due to their novel optical and electrical properties. Here we report a sca…
Topology-Optimized Dielectric Cavities for Enhanced Excitonic Light Emission from
Owen Matthiessen, Brandon Triplett, Omer Yesilyurt +14
Photonic inverse design and, especially, topology optimization, enable dielectric cavities with deeply sub-diffraction mode volumes and high quality factors, thus offering a powerf…
Dispersion-compensated meta-holograms based on detour phase
Mohammadreza Khorasaninejad, Antonio Ambrosio, Pritpal Kanhaiya +1
Subwavelength structured surfaces, known as metasurfaces, hold promise for future compact and optically thin devices with versatile functionalities. Here, by revisiting the concept…
A broadband achromatic polarization-insensitive metalens consisting of anisotropic nanostructures
Wei Ting Chen, Alexander Y. Zhu, Jared Sisler +2
Metasurfaces have attracted widespread attention due to an increasing demand of compact and wearable optical devices. For many applications, polarization-insensitive metasurfaces a…
Lateral Chirality-sorting Optical Spin Forces in Evanescent Fields
Amaury Hayat, J. P. Balthasar Müller, Federico Capasso
The transverse component of the spin angular momentum of evanescent waves gives rise to lateral optical forces on chiral particles, which have the unusual property of acting in a d…
Tetrahedral colloidal clusters from random parking of bidisperse spheres
Nicholas B. Schade, Miranda C. Holmes-Cerfon, Elizabeth R. Chen +5
Using experiments and simulations, we investigate the clusters that form when colloidal spheres stick irreversibly to -- or "park" on -- smaller spheres. We use either oppositely c…
In-phase and anti-phase synchronization in a laser frequency comb
Johannes Hillbrand, Dominik Auth, Marco Piccardo +5
Coupled clocks are a classic example of a synchronization system leading to periodic collective oscillations. This phenomenon already attracted the attention of Christian Huygens b…
Inverse design enables large-scale high-performance meta-optics reshaping virtual reality
Zhaoyi Li, Raphaël Pestourie, Joon-Suh Park +3
Meta-optics has achieved major breakthroughs in the past decade; however, conventional forward design faces challenges as functionality complexity and device size scale up. Inverse…
Mid infrared two-photon absorption in a room-temperature extended-wavelength InGaAs photodetector
Marco Piccardo, Noah A. Rubin, Lauren Meadowcroft +4
We investigate the nonlinear optical response of a commercial extended-wavelength InGaAs photodetector. Degenerate two-photon absorption in the mid-infrared range…
Multi-Plane Spatially Resolved Phase Structuring Using Optical Communication Modes
Vinicius S. de Angelis, Maximilian Jeindl, Leonardo A. Ambrosio +3
We present a deterministic framework for three-dimensional beam shaping that enables versatile control of intensity and phase, pixel-by-pixel, across multiple axial planes. Convent…
Coherent radiation from neutral molecules moving above a grating
Alexey Belyanin, Federico Capasso, Vitaly Kocharovsky +1
We predict and study the quantum-electrodynamical effect of parametric self-induced excitation of a molecule moving above the dielectric or conducting medium with periodic grating.…
Filterless Snapshot Hyperspectral Imaging using Guided Patch Diffusion
Dean Hazineh, Luca Sacchi, Davide Cassara +2
We consider the problem of reconstructing a HxWx31 hyperspectral image from a grayscale snapshot measurement that is captured using only a single diffractive lens and a…
In-water chemical sensing by fiber-optic evanescent waves spectroscopy using mid-infrared quantum cascade lasers
Paul Chevalier, Marco Piccardo, Guy-Mael de Naurois +3
The ability of detecting harmful chemicals is an important safety requirement for drinking water systems. An apparatus for in-water chemical sensing based on the absorption of evan…
Geometry-induced Casimir suspension of oblate bodies in fluids
Alejandro W. Rodriguez, M. T. Homer Reid, Francesco Intravaia +4
We predict that a low-permittivity oblate body (disk-shaped object) above a thin metal substrate (plate with a hole) immersed in a fluidof intermediate permittivity will experience…
Antireflection by design in bilayer metasurfaces
Jaewon Oh, Davide Cassara, Alfonso Palmieri +5
Antireflection coatings are ubiquitous in optical systems, where they maximize transmission and suppress undesirable reflections by impedance-matching uniform interfaces. Extending…
D-Flat: A Differentiable Flat-Optics Framework for End-to-End Metasurface Visual Sensor Design
Dean S. Hazineh, Soon Wei Daniel Lim, Zhujun Shi +3
Optical metasurfaces are planar substrates with custom-designed, nanoscale features that selectively modulate incident light with respect to direction, wavelength, and polarization…
Classical and fluctuation-induced electromagnetic interactions in micronscale systems: designer bonding, antibonding, and Casimir forces
Alejandro W. Rodriguez, Pui-Chuen Hui, David N. Woolf +3
Whether intentionally introduced to exert control over particles and macroscopic objects, such as for trapping or cooling, or whether arising from the quantum and thermal fluctuati…
Bonding, antibonding and tunable optical forces in asymmetric membranes
Alejandro W. Rodriguez, Alexander P. McCauley, Pui-Chuen Hui +5
We demonstrate that tunable attractive (bonding) and repulsive (anti-bonding) forces can arise in highly asymmetric structures coupled to external radiation, a consequence of the b…
All-glass 100 mm Diameter Visible Metalens for Imaging the Cosmos
Joon-Suh Park, Soon Wei Daniel Lim, Arman Amirzhan +8
Metasurfaces, optics made from subwavelength-scale nanostructures, have been limited to millimeter-sizes by the scaling challenge of producing vast numbers of precisely engineered…
Topology Optimized Multi-layered Meta-optics
Zin Lin, Benedikt Groever, Federico Capasso +2
We propose a general topology optimization framework for metasurface inverse design that can automatically discover highly complex multi-layered meta-structures with increased func…
Temporal solitons in active optical resonators
Dmitry Kazakov, Federico Capasso, Marco Piccardo
Solitons, as coherent structures that maintain their shape while traveling at constant velocity, are ubiquitous across various branches of physics, from fluid dynamics to quantum f…
A quantum cascade laser-pumped molecular laser tunable over 1 THz
Arman Amirzhan, Paul Chevalier, Jeremy Rowlette +5
By introducing methyl fluoride (CHF) as a new gain medium for a quantum cascade laser-pumped molecular laser (QPML), we demonstrate continuous-wave lasing from more than 120 di…
High-power quantum walk frequency combs
Theodore P. Letsou, Johannes Fuchsberger, Nikola OpaÄak +3
High-power, broadband frequency combs generated by semiconductor lasers have profound implications for on-chip spectroscopy. Here, we present a dry-etched racetrack quantum cascade…
On the torque on birefringent plates induced by quantum fluctuations
Davide Iannuzzi, Jeremy N. Munday, Yuri Barash +1
We present detailed numerical calculations of the mechanical torque induced by quantum fluctuations on two parallel birefringent plates with in plane optical anisotropy, separated…
Non-touching nanoparticle diclusters bound by repulsive and attractive Casimir forces
Alejandro W. Rodriguez, Alexander P. McCauley, David Woolf +3
We present a scheme for obtaining stable Casimir suspension of dielectric nontouching objects immersed in a fluid, validated here in various geometries consisting of ethanol-separa…
Reply to "Comment on 'Precision measurement of the Casimir-Lifshitz force in a fluid'"
J. N. Munday, Federico Capasso
We have reviewed the Comment of Geyer et al. [arXiv:0708.1548] concerning our recent work [Phys. Rev. A 75, 060102 (R) (2007)], and while we disagree with their criticisms, we ackn…
Free-standing bilayer metasurfaces in the visible
Ahmed H. Dorrah, Joon-Suh Park, Alfonso Palmieri +1
Mult-layered meta-optics have enabled complex wavefront shaping beyond their single layer counterpart owing to the additional design variables afforded by each plane. For instance,…
Optical absorbers based on strong interference in ultra-thin films
Mikhail A. Kats, Federico Capasso
Optical absorbers find uses in a wide array of applications across the electromagnetic spectrum, including photovoltaic and photochemical cells, photodetectors, optical filters, st…
Raman suppression in nanophotonics enabled by multimode spectral filtering
Yunxiang Song, Jinsheng Lu, Xinrui Zhu +7
Miniaturized photonic cavities generating nonlinear optical states of light are central to telecommunications and metrology applications. The emergence of such states is primarily…
Multidimensional optical singularities and their applications
Soon Wei Daniel Lim, Christina M. Spaegele, Federico Capasso
Optical singularities, which are positions within an electromagnetic field where certain field parameters become undefined, hold significant potential for applications in areas suc…
Electroluminescence from single nanowires by tunnel injection: an experimental study
Mariano A. Zimmler, Jiming Bao, Ilan Shalish +4
We present a hybrid light-emitting diode structure composed of an n-type gallium nitride nanowire on a p-type silicon substrate in which current is injected along the length of the…
Quantum-Coherence-Enhanced Surface Plasmon Amplification by Stimulated Emission of Radiation
Konstantin E. Dorfman, Pankaj K. Jha, Dmitri V. Voronine +3
We investigate surface plasmon amplification in a silver nanoparticle coupled to an externally driven three-level gain medium, and show that quantum coherence significantly enhance…
Optimal structured light waves generation in 3D volumes using communication mode optics
Vinicius S. de Angelis, Ahmed H. Dorrah, Leonardo A. Ambrosio +2
Achieving precise control of light intensity in 3D volumes is highly in demand in many applications in optics. Various wavefront shaping techniques have been utilized to reconstruc…
Multiwavelength Achromatic Metasurfaces by Dispersive Phase Compensation
Francesco Aieta, Mikhail A. Kats, Patrice Genevet +1
The replacement of bulk refractive optical elements with diffractive planar components enables the miniaturization of optical systems. However, diffractive optics suffers from larg…
Response to Comment on Widely tunable compact terahertz gas lasers
Paul Chevalier, Arman Amirzhan, Fan Wang +4
We recently demonstrated a widely tunable THz molecular laser and reported mathematical formulas and a table for comparing how various molecules would perform as such lasers (Cheva…
A scalable platform for nanometer-scale quantum confinement
Christina M. Spaegele, Mehdi Rezaee, Thomas Werkmeister +8
Overcoming the limitations of current nanofabrication techniques to achieve nanoscale feature sizes is essential for achieving new regimes of light-matter interactions at extreme f…
Precision measurement of the Casimir-Lifshitz force in a fluid
J. N. Munday, Federico Capasso
The Casimir force, which results from the confinement of the quantum mechanical zero-point fluctuations of the electromagnetic fields, has received significant attention in recent…
Polarization Multi-Image Synthesis with Birefringent Metasurfaces
Dean Hazineh, Soon Wei Daniel Lim, Qi Guo +2
Optical metasurfaces composed of precisely engineered nanostructures have gained significant attention for their ability to manipulate light and implement distinct functionalities…
Giant birefringence in optical antenna arrays with widely tailorable optical anisotropy
Mikhail A. Kats, Patrice Genevet, Guillaume Aoust +5
The manipulation of light by conventional optical components such as a lenses, prisms and wave plates involves engineering of the wavefront as it propagates through an optically-th…
Nonlinear feedback oscillations in resonant tunneling through double barriers
Carlo Presilla, Giovanni Jona-Lasinio, Federico Capasso
We analyze the dynamical evolution of the resonant tunneling of an ensemble of electrons through a double barrier in the presence of the self-consistent potential created by the ch…
Planar Lenses at Visible Wavelengths
Mohammadreza Khorasaninejad, Wei Ting Chen, Robert C. Devlin +3
Sub-wavelength resolution imaging requires high numerical aperture (NA) lenses, which are bulky and expensive. Metasurfaces allow the miniaturization of conventional refractive opt…
Point singularity array with metasurfaces
Soon Wei Daniel Lim, Joon-Suh Park, Dmitry Kazakov +4
Phase singularities are loci of darkness surrounded by monochromatic light in a scalar field, with applications in optical trapping, super-resolution imaging, and structured light-…
Multi-line lasing in the broadly tunable ammonia quantum cascade laser pumped molecular laser
Paul Chevalier, Arman Amirzhan, Jeremy Rowlette +5
Gaseous ammonia has previously been demonstrated as a compelling gain medium for a quantum cascade laser pumped molecular laser (QPML), exhibiting good power efficiency but limited…
Orientation-dependent Casimir force arising from highly anisotropic crystals: application to Bi2Sr2CaCu2O8+delta
Mark B. Romanowsky, Federico Capasso
We calculate the Casimir interaction between parallel planar crystals of Au and the anisotropic cuprate superconductor Bi2Sr2CaCu2O8+delta (BSCCO), with BSCCO's optical axis either…