Issue 15 (2024)

Nanolasers

Nanolasers

As the demand for smaller and more compact lasers increases, the physical dimensions of laser diodes are already at the diffraction limit, which impairs this miniaturization trend and limits direct laser integration into photonic and especially nanophotonic …

Nonlocal effects in plasmon-emitter interactions

Nonlocal effects in plasmon-emitter interactions

Nonlocal and quantum mechanical phenomena in noble metal nanostructures become increasingly crucial when the relevant length scales in hybrid nanostructures reach the few-nanometer regime. In practice, such mesoscopic effects at metal–dielectric interfaces …

Focusing of mid-infrared polaritons through patterned graphene on van der Waals crystals

Focusing of mid-infrared polaritons through patterned graphene on van der Waals crystals

Manipulating the propagation of mid-infrared (mid-IR) light is crucial for optical imaging, biosensing, photocatalysis, and guiding photonic circuits. Artificially engineered metamaterials were introduced to comprehensively control optical waves. However, …

Optically driven plasmons in graphene/hBN van der Waals heterostructures: simulating s-SNOM measurements

Optically driven plasmons in graphene/hBN van der Waals heterostructures: simulating s-SNOM measurements

Converting transverse photons into longitudinal two-dimensional plasmon-–polaritons (2D-PP) and vice versa presents a significant challenge within the fields of photonics and plasmonics. Therefore, understanding the mechanism which increases the photon – …

Tunable on-chip optical traps for levitating particles based on single-layer metasurface

Tunable on-chip optical traps for levitating particles based on single-layer metasurface

Optically levitated multiple nanoparticles have emerged as a platform for studying complex fundamental physics such as non-equilibrium phenomena, quantum entanglement, and light–matter interaction, which could be applied for sensing weak forces and torques …

Gouy phase effects on photocurrents in plasmonic nanogaps driven by single-cycle pulses

Gouy phase effects on photocurrents in plasmonic nanogaps driven by single-cycle pulses

The investigation of optical phenomena in the strong-field regime requires few-cycle laser pulses at field strengths exceeding gigavolts per meter (GV/m). Surprisingly, such conditions can be reached by tightly focusing pJ-level pulses with nearly octave …

Hybrid plasmonic valley-Hall topological insulators

Hybrid plasmonic valley-Hall topological insulators

The emerging field of photonic topological insulators offers promising platforms for high-performance optical communication, computing, and sensing. However, conventional photonic topological insulator designs typically operate within the diffraction limit …

Enhancing thermal stability of Nd:GGG WGM microdisk lasers via silica integration

Enhancing thermal stability of Nd:GGG WGM microdisk lasers via silica integration

Whispering gallery mode (WGM) resonators, as an integral component of integrated photonics, have attracted considerable attention due to their high Q factor, small footprint, and small mode volume, making them widely applied as microlasers. In this work, …

Inverse design of compact silicon photonic waveguide reflectors and their application for Fabry–Perot resonators

Inverse design of compact silicon photonic waveguide reflectors and their application for Fabry–Perot resonators

Silicon photonic waveguide resonators, such as microring resonators, photonic crystal waveguide cavities, and Fabry–Perot resonators based on the distributed Bragg reflectors, are key device components for silicon-based photonic integrated circuits …

On-chip wavelength division multiplexing by angled multimode interferometer fabricated on erbium-doped thin film lithium niobate on insulator

On-chip wavelength division multiplexing by angled multimode interferometer fabricated on erbium-doped thin film lithium niobate on insulator

Photonic-integrated circuits based on erbium-doped thin film lithium niobate on insulator has attracted broad interests with insofar various waveguide amplifiers and microlasers demonstrated. Wideband operation facilitated by the broadband absorption and …

Strong coupling between WS_2 monolayer excitons and a hybrid plasmon polariton at room temperature

Strong coupling between WS_2 monolayer excitons and a hybrid plasmon polariton at room temperature

Light–matter interactions between plasmonic and excitonic modes have attracted considerable interest in recent years. A major challenge in achieving strong coupling is the identification of suitable metallic nanostructures that combine tight field …

Comment on “Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation”

Comment on “Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation”

The article entitled “Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation (DDA)” written by W. Liu and E. McLeod presents a method for computing the Green function in presence of …

Reply to Comment on “Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation”

Reply to Comment on “Fast and accurate electromagnetic field calculation for substrate-supported metasurfaces using the discrete dipole approximation”

The recent comment on our previously published article questioned the novelty and computational efficiency of our work. Here we respond by restating the novelty and scientific value of our work as well as showing why the specific alternative methods stated in …