Issue 9: Interdisciplinary Nanophotonics; (2019)

Emerging 2D materials for room-temperature polaritonics

Emerging 2D materials for room-temperature polaritonics

Two-dimensional semiconductors are considered intriguing materials for photonic applications, thanks to their stunning optical properties and the possibility to manipulate them at the nanoscale. In this review, we focus on transition metal …

Long-living nonlinear behavior in CsPbBr3 carrier recombination dynamics

Long-living nonlinear behavior in CsPbBr3 carrier recombination dynamics

By means of time-resolved photoluminescence (TR-PL) spectroscopy, we present a detailed investigation of the carrier relaxation dynamics in a CsPbBr3 bulk sample and microcrystal ensemble at cryogenic temperature on a picosecond time scale. We …

Enhanced hybrid optics by growing silver nanoparticles at local intensity hot spots

Enhanced hybrid optics by growing silver nanoparticles at local intensity hot spots

Silver nanoparticles (AgNPs) show an extraordinary strong interaction with light, which enables confinement and field enhancement at the nanoscale. However, despite their localized nature, such phenomena are often sought to be exploited on a larger …

Plasmon-assisted bandgap engineering in dilute nitrides

Plasmon-assisted bandgap engineering in dilute nitrides

The inherent ability of plasmonic bowtie nanoapertures (NAs) to localize the electromagnetic field at a subwavelength scale was exploited to engineer the H removal process in dilute nitrides at the nanometer level. Dilute nitride semiconductor …

Quantitative analysis of SERS spectra of MnSOD over fluctuated aptamer signals using multivariate statistics

Quantitative analysis of SERS spectra of MnSOD over fluctuated aptamer signals using multivariate statistics

Surface-enhanced Raman scattering (SERS) sensors using specific aptamers often show difficulties in quantitative analysis because the instable aptamer structures show fluctuated background signals. In this communication, we address the quantitative …

Slow light with interleaved p-n junction to enhance performance of integrated Mach-Zehnder silicon modulators

Slow light with interleaved p-n junction to enhance performance of integrated Mach-Zehnder silicon modulators

Slow light is a very important concept in nanophotonics, especially in the context of photonic crystals. In this work, we apply our previous design of band-edge slow light in silicon waveguide gratings to Mach-Zehnder modulators based on the plasma …

Femtomolar detection of nucleic acid based on functionalized gold nanoparticles

Femtomolar detection of nucleic acid based on functionalized gold nanoparticles

Deoxyribonucleic acid (DNA) detection is essential for the accurate and early diagnosis of a disease. In this study, a femtomolar DNA detection method based on the exploitation of the localized surface plasmon (LSP) resonance of gold nanoparticles …

Hybridization of epsilon-near-zero modes via resonant tunneling in layered metal-insulator double nanocavities

Hybridization of epsilon-near-zero modes via resonant tunneling in layered metal-insulator double nanocavities

The coupling between multiple nanocavities in close vicinity leads to the hybridization of their modes. Stacked metal-insulator-metal (MIM) nanocavities constitute a highly versatile and very interesting model system to study and engineer such mode …

Hybrid cavity-antenna systems for quantum optics outside the cryostat?

Hybrid cavity-antenna systems for quantum optics outside the cryostat?

Hybrid cavity-antenna systems have been proposed to combine the sub-wavelength light confinement of plasmonic antennas with microcavity quality factors Q. Here, we examine what confinement and Q can be reached in these hybrid systems, and we address …

Charge transfer and electromagnetic enhancement processes revealed in the SERS and TERS of a CoPc thin film

Charge transfer and electromagnetic enhancement processes revealed in the SERS and TERS of a CoPc thin film

Phthalocyanines are frequently used as probing molecules in the field of single-molecule surface-enhanced Raman spectroscopy (SERS) and tip-enhanced Raman spectroscopy (TERS). In this work, we systematically compare the SERS and TERS spectra from a …

Coupling-enhanced dual ITO layer electro-absorption modulator in silicon photonics

Coupling-enhanced dual ITO layer electro-absorption modulator in silicon photonics

Electro-optic signal modulation provides a key functionality in modern technology and information networks. Photonic integration has not only enabled miniaturizing photonic components, but also provided performance improvements due to co-design …

Nanoscale spectroscopic imaging of GaAs-AlGaAs quantum well tube nanowires: correlating luminescence with nanowire size and inner multishell structure

Nanoscale spectroscopic imaging of GaAs-AlGaAs quantum well tube nanowires: correlating luminescence with nanowire size and inner multishell structure

The luminescence and inner structure of GaAs-AlGaAs quantum well tube (QWT) nanowires were studied using low-temperature cathodoluminescence (CL) spectroscopic imaging, in combination with scanning transmission electron microscopy (STEM) tomography, …