We demonstrate that confined Tamm plasmon modes can be advantageously exploited for the realization of new kind metal/semiconductor lasers. Laser emission is demonstrated structures with various diameters metallic disks which provide confinement. A reduction threshold size observed. The competition between acceleration spontaneous and increase losses leads to an optimal size, in good agreement calculations.

In this Letter, we show that the strong coupling between a disordered set of molecular emitters and surface plasmons leads to formation spatially coherent hybrid states extended on macroscopic distances. Young-type interferometric experiments performed system $J$-aggregated dyes spread silver layer evidence emission from different separated by several microns. The coherence is absent in systems weak-coupling regime demonstrating key role hybridization molecules with plasmon.

We demonstrate strong confinement of the optical field by depositing a micron sized metallic disk on planar distributed Bragg reflector. Confined Tamm plasmon modes are evidenced both experimentally and theoretically, with lateral limited to area coupling TE polarized fields. Single quantum dots controllably coupled these shown experience acceleration their spontaneous emission when spectrally resonant mode. For detuned from confined mode, an inhibition factor 40±4 is observed, record value...

In this paper we report on the evidence of polarized and spatially localized emission a Tamm laser. The results from an anisotropic three-dimensional confinement plasmon modes at interface between active semiconductor distributed Bragg reflector silver thin-film. spatial is achieved by patterning microrectangles with aspect ratio 2 in top metallic layer. This geometrical birefringence observed to split fundamental confined mode into two modes, which result be orthogonally along sides...

1. Patch-clamp methods have been used to examine the action of excitatory amino acids on three types glial cell in cultures rat cerebellum, namely type-1-like astrocytes, type-2 astrocytes and oligodendrocytes. In addition we examined glutamate sensitivity precursor (the O-2A progenitor) that gives rise 2. Glutamate (30 microM), quisqualate (3-100 (S)-alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA, 10-30 microM) kainate (10-500 were applied cerebellar under whole-cell...

We study localized surface plasmons in strong coupling with excitons of organic semiconductors. The are lithographed silver nanodisks organized square array. A giant Rabi splitting energy 450 meV is obtained, and typical behaviors mixed states, i.e., anticrossing their energies crossing linewidths, observed. Three-dimensional finite-difference time-domain simulations coupled oscillator calculations used to analyze corroborate the experimental results.

We report on the observation of strong coupling regime occurring between a Tamm plasmon (TP) mode and an exciton from inorganic quantum wells (QWs). The sample is formed by silver thin film deposited onto AlAs/GaAlAs Bragg reflector containing InGaAs QWs located in high refractive index layers. Angular resolved reflectometry experiments evidence clear anticrossing dispersion relations, signature regime. Rabi splitting energy 11.5 meV. experimental data are very good agreement with simple...

This paper presents some of the particularities strong coupling regime occurring between surface plasmon (SP) modes and excitons. Two different active materials were deposited on a silver film: cyanine dye J-aggregate, two-dimensional layered perovskite-type semiconductor. The dispersion relations, which are deduced from angular resolved reflectometry spectra, present an anticrossing characteristic regime. wavevector is good parameter to determine Rabi splitting. Due large interaction...

We evaluate the potential of confined Tamm plasmon structures for single photon extraction. A quantum dot is inserted in a structure consisting gold microdisk deposited on distributed Bragg reflector. The exciton line experiences acceleration spontaneous emission while biexciton inhibition. This property leads to non-linearities dynamics and statistics as function excitation rate. show that device operates source with measured brightness 0.20 ± 0.02 collected photons per pulse. By modeling...

We demonstrate that lasing can be obtained with the Tamm plasmon modes appearing at interface between a multilayered dielectric structure and metal. The sample consists in InGaAs/GaAs quantum wells embedded an AlAs/AlGaAs Bragg reflector, on top of which silver film was evaporated. A superlinear increase emission is observed under optical pumping as well drastic concentration pattern around vertical direction, evidencing effect. Due to particular features these surface modes, lasers open...

We observe the myosin V stepping mechanism by traveling wave tracking. This technique, associated with optical tweezers, allows one to follow a scattering particle in two-dimensional plane, nanometer accuracy and temporal resolution microsecond range. have observed that, at millisecond time scale, combines longitudinal vertical motions during step. Because this scale steps appear heterogeneous, we deduce their general features aligning averaging large number of them. Our data show that 36-nm...

It was theoretically and experimentally demonstrated that in metal/semiconductor Tamm plasmon structures the probability of spontaneous emission can be increased despite losses metal, theoretical analysis experimental results suggested enhancement could as high one order magnitude. structure with quantum dots has been fabricated pattern measured. Electromagnetic modes have analyzed modification rates calculated showing a good agreement observed pattern.

Photonic bandgap engineering plays a key role in modern photonics since it allows for an ultimate control of photon propagation periodic dielectric or metallic media. Tamm plasmon structures are particularly attractive platform the electromagnetic field can be completely controlled by patterning thin metal layer. Up to now, only macroscopic (larger than operation wavelength) has been experimentally demonstrated, leading 3D confinement light but suffering from lack fine dispersion properties...

We theoretically and experimentally investigate Tamm plasmon (TP) modes in a metal/semiconductor distributed Bragg reflector (DBR) interface. A thin Ag (silver) layer with thickness (55 nm from simulation) that is optimized to guarantee low reflectivity at the resonance was deposited on nanoporous GaN DBRs fabricated using electrochemical (EC) etching freestanding semipolar (20 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mover> <mml:mn>21</mml:mn> <mml:mo...

Friedrich-Wintgen (FW) interference is an atypical coupling mechanism that grants loss exchange between leaky resonances in non-Hermitian classical and quantum systems. Intriguingly, such a makes destructive possible for scenarios which radiating wave becomes bound state the continuum (BIC) by giving away all of its losses. Here we propose demonstrate experimentally original concept to tailor FW-BICs with polarization singularity at on-demand wavevectors optical metasurface. As...

In this Letter we experimentally demonstrate the coupling between Tamm plasmon and surface modes in a metal/semiconductor integrated microstructure. The mode is excited by photoluminescence of quantum dots grown top part dielectric Bragg mirror covered silver layer. hybrid nature such plasmon/surface demonstrated observation spatial beating along propagation. Experimental results are very good agreement with numerical calculations. We show how structure can be used further optimized to...

We demonstrate that quality factors up to 5000 can be obtained in Tamm-like hybrid metal/semiconductor structures. To do this, a Bragg mirror is covered by thin transparent layer and metallic film. The reduced losses of these modes are related an intermediate behavior between conventional Tamm plasmon lying deeper the semiconductor medium. One most striking features this approach super still spatially confined with metal. Confinement on micrometric scale experimentally demonstrated....

In this letter we exploit the extended coherence length of mixed plasmon/exciton states to generate active metasurfaces. For purpose, periodic stripes organic dye are deposited on a continuous silver film. Typical metasurface effects, such as effective behavior and geometry sensitivity, measured for periods exceeding polaritonic wavelength by more than one order magnitude. By adjusting geometry, anisotropy, modified band structure unidimensional polaritons computationally simulated...

Optical Tamm structures offer great possibilities for the development of new optoelectronic devices ranging from polarized laser sources to plasmon generators. Indeed, thanks patterning a thin metallic film alone, microscale confinement light is achieved, which constitutes very easy and flexible way make confined lasers. Here, we report on room-temperature lasing structure, based an original geometry with enhanced quality factor. In this so-called Super low-index dielectric layer inserted...

In this letter the authors experimentally demonstrate strong coupling regime at room temperature between a surface plasmon and an exciton from auto-organized quantum well. The sample is formed by two dimensional layered perovskite-type semiconductor: s(C6H5C2H4–NH3)PbI4, spin coated onto silver film. dispersion lines resulting reflectometry experiments performed in Kretschmann geometry present anticrossing with Rabi splitting of 167meV. emission low energy polariton presented.

We demonstrate that an extraction enhancement by a factor of 2.8 can be obtained for GaN quantum well structure using metallic nanostructures, compared to flat semiconductor. The InGaN/GaN is inserted into dielectric waveguide, naturally formed in the structure, and silver grating deposited on surface covered with polymer film. layer greatly improves single grating. comparison experiments simulations gives strong indications key role weakly guided modes diffracted

In this Letter, we demonstrate experimentally the strong interaction between organic semiconductor excitons and long-range surface plasmons. For purpose, a thin J-aggregated cyanine dye layer is deposited on silver film bounded by two poly(vinyl alcohol) layers. An anticrossing plasmon exciton measured in dispersion relation confirmed luminescence experiments, showing unambiguously hybridization exciton. The extension of polaritonic states deduced from curves 50 μm, which represents an...

In this paper we describe the properties of organic material in strong coupling with plasmon, mainly based on our work field research. The modifies optical transitions structure, and occurs when interaction between molecules plasmon prevails damping system. We dispersion relation different plasmonic systems, delocalized localized coupled to aggregated dyes typical these systems coupling. modification dye emission is also studied. second part, effect microscopic structure organics, which can...

Electromagnetic resonators, which are based on optical cavities or electronic circuits, key elements to enhance and control light-matter interaction. In the THz range, current exhibit very high-quality factors with $(\lambda/2)^3$ mode volumes limited by diffraction, whereas resonant circuits show low quality factor but provide strong subwavelength effective volume ($10^{-6} \lambda^3$). To overcome limitations of each type resonator, great efforts being devoted improving performances...

1.55 µm room-temperature continuous-wave operation of a high performance optically pumped vertical external cavity surface emitting laser is reported. The structure includes an active region with strain compensated quantum wells, and broadband SiNx/Si/Au Bragg reflector transferred on Si substrate by Au/In dry bonding. Output power up to 45 mW achieved at 0°C, observed 45°C.