Issue 12 (2018)

High-efficiency broadband light coupling between optical fibers and photonic integrated circuits

High-efficiency broadband light coupling between optical fibers and photonic integrated circuits

Efficient light energy transfer between optical waveguides has been a critical issue in various areas of photonics and optoelectronics. Especially, the light coupling between optical fibers and integrated waveguide structures provides essential …

Plasmonic particle-on-film nanocavities: a versatile platform for plasmon-enhanced spectroscopy and photochemistry

Plasmonic particle-on-film nanocavities: a versatile platform for plasmon-enhanced spectroscopy and photochemistry

Metallic nanostructures with nanometer gaps support hybrid plasmonic modes with an extremely small mode volume and strong local field intensity, which constitutes an attractive plasmonic platform for exploring novel light-matter interaction …

Coupling configurations between extended surface electromagnetic waves and localized surface plasmons for ultrahigh field enhancement

Coupling configurations between extended surface electromagnetic waves and localized surface plasmons for ultrahigh field enhancement

Local enhancement of electromagnetic (EM) fields near dielectric and metallic surfaces is usually associated with the existence of a confined EM wave at least in one direction. This phenomenon finds applications in enhancing optical spectroscopic …

Laser-induced thermoelectric effects in electrically biased nanoscale constrictions

Laser-induced thermoelectric effects in electrically biased nanoscale constrictions

Electrically biased metal nanostructures are at the core of innovative multifunctional integrated devices that control the flow of electrons and photons at the nanoscale. They are based on plasmonic structures that create strongly confined fields, …

Photonic spin Hall effect of monolayer black phosphorus in the Terahertz region

Photonic spin Hall effect of monolayer black phosphorus in the Terahertz region

As a two-dimensional (2D) material, black phosphorus (BP) has attracted significant attention owing to exotic physical properties such as low-energy band gap, high carrier mobility, and strong in-plane anisotropy. The striking in-plane anisotropy is …

On-chip optical parity checker using silicon photonic integrated circuits

On-chip optical parity checker using silicon photonic integrated circuits

The optical parity checker plays an important role in error detection and correction for high-speed, large-capacity, complex digital optical communication networks, which can be employed to detect and correct the error bits by using a specific …

Stretchable and self-healable organometal halide perovskite nanocrystal-embedded polymer gels with enhanced luminescence stability

Stretchable and self-healable organometal halide perovskite nanocrystal-embedded polymer gels with enhanced luminescence stability

Stretchable and self-healing polymer gels with luminescent property are very promising materials for next generation soft optical devices. This work presents the preparation of self-healing and luminescent polymer gels by simply blending organometal …

Synthesis of few-layer 2H-MoSe2 thin films with wafer-level homogeneity for high-performance photodetector

Synthesis of few-layer 2H-MoSe2 thin films with wafer-level homogeneity for high-performance photodetector

The unique structural and physical properties of two-dimensional (2D) atomic layer semiconductors render them promising candidates for electronic or optoelectronic devices. However, the lack of efficient and stable approaches to synthesize …

Aberration correction for improving the image quality in STED microscopy using the genetic algorithm

Aberration correction for improving the image quality in STED microscopy using the genetic algorithm

With a purely optical modulation of fluorescent behaviors, stimulated emission depletion (STED) microscopy allows for far-field imaging with a diffraction-unlimited resolution in theory. The performance of STED microscopy is affected by many …

Electroluminescence and photo-response of inorganic halide perovskite bi-functional diodes

Electroluminescence and photo-response of inorganic halide perovskite bi-functional diodes

In this work, we report our efforts to develop a novel inorganic halide perovskite-based bi-functional light-emitting and photo-detecting diode. The bi-functional diode is capable of emitting a uniform green light, with a peak wavelength of 520 nm, …