1.1k citations · 3.7k across the 68 of their papers we have counts for
44 papers · 1 filter
Transparent conductive oxides and low loss nitride-rich silicon waveguides as building blocks for neuromorphic photonics
Jacek Gosciniak, Jacob B. Khurgin
Fully CMOS-compatible photonic memory holding devices hold a potential in a development of ultrafast artificial neural networks. Leveraging the benefits of photonics such as high-b…
Transparent conductive oxides as a material platform for photonic neural networks
Jacek Gosciniak, Jacob B. Khurgin
Photonics integrated circuits have a huge potential to serve as a framework for a new class of information processing machines and can enable ultrafast artificial neural networks.…
Optical isolation by temporal modulation: size, frequency, and power constraints
Jacob B Khurgin
Optical isolators are indispensable components of optical networks. Magneto-optic isolators have excellent operating characteristics, including low-to-no power consumption, but are…
Bistable all-optical devices based on nonlinear epsilon-near-zero (ENZ) materials
J. Gosciniak, Z. Hu, M. Thomaschewski +2
Non-linear and bistable optical systems are a key enabling technology for the next generation optical networks and photonic neural systems with many potential applications in optic…
versus : Dispersion and Energy Constraints on Time-Varying Photonic Materials and Time Crystals
Zeki Hayran, Jacob B. Khurgin, Francesco Monticone
Photonic time-varying systems have attracted significant attention owing to their rich physics and potential opportunities for new and enhanced functionalities. In this context, th…
On-chip low-loss all-optical MoSe modulator
Mohammed Alaloul, Jacob B Khurgin, Ibrahim Al-Ani +4
Monolayer transition metal dichalcogenides (TMDCs), like MoS, MoSe, WS, and WSe, feature direct bandgaps, strong spin-orbit coupling, and exciton-polariton interact…
Nonlinear Optics: a look from the interaction time viewpoint and what it portends
Jacob B Khurgin
I present a simple view of nonlinear optcal phenomena as being determined mostly by the length of interaction time between photons and matter. This may explain why in the last deca…
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…
High-Performance All-Optical Modulator Based on Graphene-hBN Heterostructures
Mohammed Alaloul, Jacob B. Khurgin
Graphene has emerged as an ultrafast photonic material for on-chip all-optical modulation. However, its atomic thickness limits its interaction with guided optical modes, which res…
Landau damping in hybrid plasmonics
Alexander V. Uskov, Jacob B. Khurgin, Igor V. Smetanin +2
Landau Damping (LD) mechanism of the Localized Surface Plasmon (LSP) decay is studied for the hybrid nanoplasmonic (metal core/dielectric shell) structures. It is shown that LD in…
Expanding photonic palette: exploring high index materials
Jacob B Khurgin
While the photonic community is being occupied with exotic concepts portending a grand future and fame if not a fortune, I respectfully entertain the possibility that a humble conc…
100 GHz Micrometer compact broadband Monolithic ITO Mach Zehnder Interferometer Modulator enabling 3500 times higher Packing Density
Yaliang Gui, Behrouz Movahhed Nouri, Mario Miscuglio +5
Electro-optic modulators provide a key function in optical transceivers and increasingly in photonic programmable Application Specific Integrated Circuits (ASICs) for machine learn…
Emulating exceptional-point encirclements using imperfect (leaky) photonic components
J. B. Khurgin, Y. Sebbag, E. Edrei +4
Non-Hermitian systems have recently attracted significant attention in photonics. One of the hallmarks of these systems is the possibility of realizing asymmetric mode switching an…
Fast and slow nonlinearities in ENZ materials
Jacob B. Khurgin, Matteo Clerici, Nathaniel Kinsey
Novel materials, with enhanced light-matter interaction capabilities, play an essential role in achieving the lofty goals of nonlinear optics. Recently, Epsilon-Near-Zero (ENZ) med…
Absorptive loss and band non-parabolicity as a physical origin of large nonlinearity in epsilon-near-zero materials
Ray Secondo, Jacob B. Khurgin, Nathaniel Kinsey
For decades, nonlinear optics has been used to control the frequency and propagation of light in unique ways enabling a wide range of applications such as ultrafast lasing, sub-wav…
Generating hot carriers in plasmonic nanoparticles: when quantization does and does not matter?
Jacob B Khurgin, Uriel Levy
Plasmon-assisted hot carrier processes in metal nanoparticles can be described either classically or using the full strength of quantum mechanics. We reconfirm that from the practi…
Fundamental limits of hot carrier injection from metal in nanoplasmonics
Jacob B Khurgin
Evolution of the nonequilibrium carriers excited in the process of decay of surface plasmon polaritons in metal is described for each step, from the carrier generation to their ext…
Adiabatic frequency shifting in epsilon near zero materials: The role of group velocity
Jacob B Khurgin, Matteo Clerici, Vincenzo Bruno +9
We investigate adiabatic frequency conversion using epsilon near zero (ENZ) materials and show that while the maximum frequency conversion for a given change of permittivity does n…
Pliable Polaritons: Wannier Exciton Plasmon Coupling in Metal Semiconductor Structures
Jacob B Khurgin
Plasmonic structures are known to support the modes with subwavelength volumes in which the field matter interactions are greatly enhanced. Coupling between the molecular excitatio…
Hot carriers generated by plasmons: where are they are generated and where do they go from there?
Jacob B Khurgin
A physically transparent unified theory of optically and plasmon induced hot carrier generation in metals is developed with all the relevant mechanisms included. Analytical express…
Linewidth of the Laser Optical Frequency Comb with Arbitrary Temporal Profile
Jacob B Khurgin, Nathan Henry, David Burghoff +1
For many applications Optical Frequency Combs (OFCs) require a high degree of temporal coherence (narrow linewidth). Commonly OFCs are generated in nonlinear media from a monochrom…
Self-organized nonlinear gratings for ultrafast nanophotonics
Daniel D. Hickstein, David R. Carlson, Haridas Mundoor +7
Modern nonlinear optical materials allow light of one wavelength be efficiently converted into light at another wavelength. However, designing nonlinear optical materials to operat…
More on alleged extraordinariness of graphene as a nonlinear optical material
Jacob B Khurgin
Graphene may be a fascinating material but at this time there exists no experimental or theoretical evidence that it can improve performance of practical nonlinear optical devices.
Relative merits of Phononics vs. Plasmonics: the energy balance approach
Jacob B Khurgin
The common feature of various plasmonic schemes is their ability to confine optical fields of surface plasmon polaritons (SPPs) into sub-wavelength volumes and thus achieve a large…