Deep learning in light–matter interactions
The deep-learning revolution is providing enticing new opportunities to manipulate and harness light at all scales. By building models of light–matter interactions from large experimental or simulated datasets, deep learning has already improved the design …
Ti_3 C_2 T_x MXenes-based flexible materials for electrochemical energy storage and solar energy conversion
Over the past decade, two-dimensional (2D) Ti3C2T x MXenes demonstrated attractive characteristics such as high electrical conductivity, tunable layered structure, controllable interfacial chemical composition, high optical transparency, and excellent …
Electrical control of Förster resonant energy transfer across single-layer graphene
In artificial structures of molecular or quantum dot emitters in contact with single-layer graphene (SLG) Förster-type resonant energy transfer (FRET) can occur unconditionally due to the gapless band structure of SLG. A significant breakthrough for …
Colloidal photonic crystals formation studied by real-time light diffraction
Colloidal suspensions crystallize by a natural sedimentation process under certain conditions, the initial volume fraction being one of the parameters that govern this process. Here, we have developed a simple in-situ, real-time, optical characterization …
Microresonator frequency comb based high-speed transmission of intensity modulated direct detection data
Globally, the long-haul transmission of ultra-high bandwidth data is enabled through coherent communications. Driven by the rapid pace of growth in interconnectivity over the last decade, long-haul data transmission has reached capacities on the order of tens …
Revising quantum optical phenomena in adatoms coupled to graphene nanoantennas
Graphene flakes acting as photonic nanoantennas may sustain strong electromagnetic field localization and enhancement. To exploit the field enhancement, quantum emitters such as atoms or molecules should be positioned in such close proximity to the flake that …
Conditional quantum plasmonic sensing
The possibility of using weak optical signals to perform sensing of delicate samples constitutes one of the main goals of quantum photonic sensing. Furthermore, the nanoscale confinement of electromagnetic near fields in photonic platforms through surface …
Unveiling atom-photon quasi-bound states in hybrid plasmonic-photonic cavity
Dissipation, often associated with plasmons, leads to decoherence and is generally considered fatal for quantum nonlinearities and entanglement. Counterintuitively, by introducing a dissipative plasmonic nanoantenna into a typical cavity quantum …
An integrated photonic device for on-chip magneto-optical memory reading
This study presents the design, fabrication and experimental demonstration of a magneto-photonic device that delivers non-volatile photonic memory functionality. The aim is to overcome the energy and speed bottleneck of back-and-forth signal conversion …
Active metal–graphene hybrid terahertz surface plasmon polaritons
Surface plasmon polaritons (SPPs) are propagating electromagnetic surface waves with local electric field enhancement and nondiffraction limit at optical frequencies. At terahertz (THz) frequencies, a metal line with periodic grooves can mimic the optical …
Plasmonic and bi-piezoelectric enhanced photocatalysis using PVDF/ZnO/Au nanobrush
The photocatalytic degradation, as an environmental-friendly technology, has great significance for cost-effective and efficient catalysis processes, wherein piezo-photocatalysis can significantly increase the catalytic degradation rate using both solar and …
High-sensitive and disposable myocardial infarction biomarker immunosensor with optofluidic microtubule lasing
The early diagnosis of myocardial infarction can significantly improve the survival rate in emergency treatment, which is mainly implemented by the immunoassay for myocardial infarction biomarkers such as cardiac troponins in blood. In this work, a disposable …
Four-channel display and encryption by near-field reflection on nanoprinting metasurface
Multichannel metasurfaces become one of the most significant development trends, as they exhibit versatile manipulation abilities on electromagnetic fields and provide a promising approach to constitute compact devices with various complex functions, …
Photothermal heating and heat transfer analysis of anodic aluminum oxide with high optical absorptance
Photothermal heating with metallic nanostructures has the unique property of generating heat at the nanoscale owing to plasmon resonances. In this study, the heat transfer of anodic aluminum oxides (AAOs) coated with plasmonic titanium nitride (TiN) of 80 nm …
2D layered MSe_2 (M = Hf, Ti and Zr) for compact lasers: nonlinear optical properties and GHz lasing
Two-dimensional (2D) ternary transition-metal dichalcogenides (TMDCs) are of great research interest because their superior layer-dependent optical modulation properties. In this work, three different kinds of TMDC nanosheets, including hafnium diselenide …