Ultrathin 2D Transition Metal Carbides for Ultrafast Pulsed Fiber Lasers

10.1021/acsphotonics.7b01428

2018-04-17

Two-dimensional (2D) materials, such as graphene, transition metal dichalcogenides, and black phosphorus, have attracted intense interest for applications in ultrafast pulsed laser generation, owing to their strong light–matter interactions and large optical ...

Nanometer-Scale Resolution Achieved with Nonradiative Excitation

10.1021/acsphotonics.8b00063

2018-04-17

Nonradiative excitation fluorescence microscopy (NEFM) is a promising technique allowing the observation of biological samples beyond the diffraction limit. By coating a substrate with an homogeneous monolayer of quantum dots (QDs), NEFM is achieved through a...

Strong Coupling and Exceptional Points in Optically Pumped Active Hyperbolic Metamaterials

10.1021/acsphotonics.8b00300

2018-04-16

We investigate the interaction of light in gain-enhanced multilayered hyperbolic metamaterials in the strong interaction regime. Pumping the dye in the dielectric layers from inside the light cone, while emission occurs into the lower hyperbolic band outside ...

Interfacial Control of ZnO Microrod for Whispering Gallery Mode Lasing

10.1021/acsphotonics.8b00128

2018-04-13

Energy loss control at interfacial areas is a significant issue to improve the optical performance of hybrid optical resonant cavities. In this work, we analyzed the simulated electric field intensity to predict the optical loss or gain in ZnO microrod cavity...

Spontaneous Emission Enhancement in Strain-Induced WSe2 Monolayer-Based Quantum Light Sources on Metallic Surfaces

10.1021/acsphotonics.7b01053

2018-04-12

Atomic monolayers of transition metal dichalcogenides represent an emerging material platform for the implementation of ultracompact quantum light emitters via strain engineering. In this framework, we discuss experimental results on creation of strain induce...

Integrated High-Q Crystalline AlN Microresonators for Broadband Kerr and Raman Frequency Combs

10.1021/acsphotonics.7b01254

2018-04-11

Development of planar-integrated microresonators with high quality factors (Q’s) is crucial for nonlinear photonics in a robust chip. Compared with silicon and silicon nitride, aluminum nitride (AlN) features intrinsic quadratic and cubic susceptibilities as ...

Fabrication and Deterministic Transfer of High-Quality Quantum Emitters in Hexagonal Boron Nitride

10.1021/acsphotonics.8b00127

2018-04-11

Color centers in solid state crystals have become a frequently used system for single-photon generation, advancing the development of integrated photonic devices for quantum optics and quantum communication applications. In particular, defects hosted by two-d...

Optimization for Gold Nanostructure-Based Surface Plasmon Biosensors Using a Microgenetic Algorithm

10.1021/acsphotonics.8b00136

2018-04-11

We present a design method and fabrication technique for enhancing detection sensitivity of gold nanostructure-based surface plasmon resonance (SPR) biosensors. In this case, the nanostructure geometry is arbitrary and the optimal design parameters are determ...

Infrared fingerprints of natural 2D talc and plasmon-phonon coupling in graphene-talc heterostructures

10.1021/acsphotonics.7b01017

2018-04-11

Two-dimensional (2D) materials occupy noteworthy place in nanophotonics providing for subwavelength light confinement and optical phenomena dissimilar to those of their bulk counterparts. In the mid-infrared, graphene-based heterostructures and van der Waals ...

Identification of Dielectric, Plasmonic, and Hybrid Modes in Metal-Coated Whispering-Gallery-Mode Resonators

10.1021/acsphotonics.8b00160

2018-04-11

Making available and accessing in a controlled manner optical modes with largely disparate properties in a given system constitutes a prime challenge for different applications. Here, we propose, realize, and optically characterize a high-Q polymeric wedge-li...