Zubin Jacob
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View article: Superconducting coherence peak in near-field radiative heat transfer
Superconducting coherence peak in near-field radiative heat transfer Open
Enhancement and peaks in near-field radiative heat transfer (NFRHT) typically arise due to surface phonon-polaritons, plasmon-polaritons, and electromagnetic (EM) modes in structured materials. However, the role of material quantum coheren…
View article: Coherent coupling of spinning light and NV centers in diamond
Coherent coupling of spinning light and NV centers in diamond Open
Coherent coupling between optical fields and solid-state spins is essential for building a spin-photon interface and exchanging quantum information. The nitrogen-vacancy (NV) center, a solid-state defect center in diamond, is a promising q…
View article: Coherent coupling of spinning light and NV centers in diamond
Coherent coupling of spinning light and NV centers in diamond Open
Coherent coupling between optical fields and solid-state spins is essential for building a spin-photon interface and exchanging quantum information. The nitrogen-vacancy (NV) center, a solid-state defect center in diamond, is a promising q…
View article: Anisotropic metamaterials for scalable photonic integrated circuits: a review on subwavelength gratings for high-density integration
Anisotropic metamaterials for scalable photonic integrated circuits: a review on subwavelength gratings for high-density integration Open
Photonic integrated circuits (PICs) are transforming optical technology by miniaturizing complex photonic elements and systems onto single chips. However, scaling PICs to higher densities is constrained by optical crosstalk and device sepa…
View article: Exploiting universal nonlocal dispersion in optically active materials for spectro-polarimetric computational imaging
Exploiting universal nonlocal dispersion in optically active materials for spectro-polarimetric computational imaging Open
View article: Visualization of atomistic optical waves in crystals
Visualization of atomistic optical waves in crystals Open
The refractive index of a matter is foundational to quantify the light-matter interaction of the medium. However, the classical description of refractive index is based on macroscopic homogenization and is limited to describing the local o…
View article: Unraveling Optical Polarization at Deep Microscopic Scales in Crystalline Materials
Unraveling Optical Polarization at Deep Microscopic Scales in Crystalline Materials Open
Nanophotonics, the study of light-matter interaction at scales smaller than the wavelength of radiation, has widespread applications in plasmonic waveguiding, topological photonic crystals, super-lensing, solar absorbers, and infrared imag…
View article: Computational Electromagnetics Meets Spin Qubits: Controlling Noise Effects in Quantum Sensing and Computing
Computational Electromagnetics Meets Spin Qubits: Controlling Noise Effects in Quantum Sensing and Computing Open
Solid-state spin qubits have emerged as promising platforms for quantum information. Despite extensive efforts in controlling noise in spin qubit quantum applications, one important but less controlled noise source is near-field electromag…
View article: New Angular Momentum Conservation Laws for Gauge Fields in QED
New Angular Momentum Conservation Laws for Gauge Fields in QED Open
Quantum electrodynamics (QED) deals with the relativistic interaction of bosonic gauge fields and fermionic charged particles. In QED, global conservation laws of angular momentum for light-matter interactions are well-known. However, loca…
View article: Reducing Effective System Dimensionality with Long-Range Collective Dipole-Dipole Interactions
Reducing Effective System Dimensionality with Long-Range Collective Dipole-Dipole Interactions Open
Dimensionality plays a crucial role in long-range dipole-dipole interactions (DDIs). We demonstrate that a resonant nanophotonic structure modifies the apparent dimensionality in an interacting ensemble of emitters, as revealed by populati…
View article: Giant enhancement of vacuum friction in spinning YIG nanospheres
Giant enhancement of vacuum friction in spinning YIG nanospheres Open
Experimental observations of vacuum radiation and vacuum frictional torque are challenging due to their vanishingly small effects in practical systems. For example, a nanosphere rotating at in free space slows down due to friction fro…
View article: What are the quantum commutation relations for the total angular momentum of light?
What are the quantum commutation relations for the total angular momentum of light? Open
The total angular momentum of light has received attention for its application in a variety of phenomena such as optical communication, optical forces and sensing. However, the quantum behavior including the commutation relations have been…
View article: Observation of non-contact Casimir friction
Observation of non-contact Casimir friction Open
Quantum mechanics predicts the occurrence of random electromagnetic field fluctuations, or virtual photons, in vacuum. The exchange of virtual photons between two bodies in relative motion could lead to non-contact quantum vacuum friction …
View article: Quantum theory of orbital angular momentum in spatiotemporal optical vortices
Quantum theory of orbital angular momentum in spatiotemporal optical vortices Open
Spatiotemporal Optical Vortices (STOVs) are structured electromagnetic fields propagating in free space with phase singularities in the space-time domain. Depending on the tilt of the helical phase front, STOVs can carry both longitudinal …
View article: Nanophotonic Super-dephasing in Collective Atom-Atom Interactions
Nanophotonic Super-dephasing in Collective Atom-Atom Interactions Open
Pure dephasing and spontaneous emission are two non-unitary processes of atoms or spins interacting with fluctuating electromagnetic (EM) modes. The dissipative collective emission processes (e.g., superradiance) originate from interaction…
View article: Computational Kerr ellipsometry: Quantifying broadband optical nonreciprocity of magneto-optic materials
Computational Kerr ellipsometry: Quantifying broadband optical nonreciprocity of magneto-optic materials Open
Characterizing the optical response of magneto-optic and magnetic materials usually relies on semiclassical models (e.g., Lorentz oscillator model) involving few parameters or models based on a detailed quantum mechanical description of th…
View article: Computational Kerr-Ellipsometry: Quantifying Broadband Optical Nonreciprocity of Magneto-Optic Materials
Computational Kerr-Ellipsometry: Quantifying Broadband Optical Nonreciprocity of Magneto-Optic Materials Open
Characterizing the optical response of magneto-optic and magnetic materials usually relies on semi-classical models (e.g. Lorentz oscillator model) involving few parameters or models based on a detailed quantum mechanical description of th…
View article: Adaptive quantum accelerated imaging for space domain awareness
Adaptive quantum accelerated imaging for space domain awareness Open
The growth in space activity has increased the need for Space Domain Awareness (SDA) to ensure safe space operations. Imaging and detecting space targets is, however, challenging due to their dim appearance, small angular size/separation, …
View article: Giant Enhancement of Vacuum Friction in Spinning YIG Nanospheres
Giant Enhancement of Vacuum Friction in Spinning YIG Nanospheres Open
Experimental observations of vacuum radiation and vacuum frictional torque are challenging due to their vanishingly small effects in practical systems. For example, a rotating nanosphere in free space slows down due to friction from vacuum…
View article: Why thermal images are blurry
Why thermal images are blurry Open
The resolution of optical imaging is limited by diffraction as well as detector noise. However, thermal imaging exhibits an additional unique phenomenon of ghosting which results in blurry and low-texture images. Here, we provide a detaile…
View article: Planar hyperbolic polaritons in 2D van der Waals materials
Planar hyperbolic polaritons in 2D van der Waals materials Open
View article: Spinning metasurface stack for spectro-polarimetric thermal imaging
Spinning metasurface stack for spectro-polarimetric thermal imaging Open
Spectro-polarimetric imaging in the long-wave infrared (LWIR) region plays a crucial role in applications from night vision and machine perception to trace gas sensing and thermography. However, the current generation of spectro-polarimetr…
View article: New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials
New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials Open
The engineering of the spatial and temporal properties of both the electric permittivity and the refractive index of materials is at the core of photonics. When vanishing to zero, those two variables provide efficient knobs to control ligh…
View article: Optical N-plasmon: topological hydrodynamic excitations in graphene from repulsive Hall viscosity
Optical N-plasmon: topological hydrodynamic excitations in graphene from repulsive Hall viscosity Open
Edge states occurring in Chern and quantum spin-Hall phases are signatures of the topological electronic band structure in two-dimensional (2D) materials. Recently, a new topological electromagnetic phase of graphene characterized by the o…
View article: Telescope imaging beyond the Rayleigh limit in extremely low SNR
Telescope imaging beyond the Rayleigh limit in extremely low SNR Open
The Rayleigh limit and low Signal-to-Noise Ratio (SNR) scenarios pose significant limitations to optical imaging systems used in remote sensing, infrared thermal imaging, and space domain awareness. In this study, we introduce a Stochastic…
View article: Engineering the temporal dynamics of all-optical switching with fast and slow materials
Engineering the temporal dynamics of all-optical switching with fast and slow materials Open
View article: Why are thermal images blurry
Why are thermal images blurry Open
The resolution of optical imaging is limited by diffraction as well as detector noise. However, thermal imaging exhibits an additional unique phenomenon of ghosting which results in blurry and low-texture images. Here, we provide a detaile…
View article: Photon discerner: Adaptive quantum optical sensing near the shot noise limit
Photon discerner: Adaptive quantum optical sensing near the shot noise limit Open
Photon statistics of an optical field can be used for quantum optical sensing in low light level scenarios free of bulky optical components. However, photon-number-resolving detection to unravel the photon statistics is challenging. Here, …
View article: Optical N-plasmon: Topological hydrodynamic excitations in Graphene from repulsive Hall viscosity
Optical N-plasmon: Topological hydrodynamic excitations in Graphene from repulsive Hall viscosity Open
Edge states occurring in Chern and quantum spin-Hall phases are signatures of the topological electronic band structure in two-dimensional (2D) materials. Recently, a new topological electromagnetic phase of graphene characterized by the o…
View article: First-Principles Study of Large Gyrotropy in MnBi for Infrared Thermal Photonics
First-Principles Study of Large Gyrotropy in MnBi for Infrared Thermal Photonics Open
Nonreciprocal gyrotropic materials have attracted significant interest recently in material physics, nanophotonics, and topological physics. Most of the well-known nonreciprocal materials, however, only show nonreciprocity under a strong e…