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Related papers: Mode-locked GaN waveguide polariton laser

200 papers

Strong coupling of excitonic resonances with a cavity gives rise to exciton-polaritons which possess a modified energy landscape compared to the uncoupled emitter. However, due to the femtosecond lifetime of the so-called bright polariton…

Mesoscale and Nanoscale Physics · Physics 2022-05-19 Jan M. Lüttgens , Zhuoran Kuang , Nicolas F. Zorn , Tiago Buckup , Jana Zaumseil

We report on the quantum confinement of zero-dimensional polaritons in perovskite-based microcavity at room temperature. Photoluminescence of discrete polaritonic states are observed for polariton localized in symmetric sphere-like defects…

We have experimentally investigated the soliton interaction in a passively mode-locked fiber ring laser and revealed the existence of three types of strong soliton interaction: a global type of soliton interaction caused by the existence of…

Optics · Physics 2009-11-02 D. Y. Tang , B. Zhao , L. M. Zhao

We study a "strongly-coupled" (SC) polariton system formed between the atom-like intersubband transitions in a semiconductor nanostructure and the THz optical modes that are localised at the edges of a gold aperture. The polaritons can be…

We report the existence, and study mobility and interactions of gap polariton solitons in a microcavity with a periodic potential, where the light field is strongly coupled to excitons. Gap solitons are formed due to the interplay between…

Optics · Physics 2009-07-28 A. V. Gorbach , B. A. Malomed , D. V. Skryabin

GaN-based resonators supporting whispering gallery modes are suggested as a promising approach for fabrication of efficient nanophotonic applications. A modification of excitonic emission due to coupling with cavity modes is observed…

We demonstrate, both experimentally and theoretically, a new phenomenon: the presence of dissipative coupling in the system of driven bosons. This is evidenced for a particular case of externally excited spots of exciton-polariton…

Other Condensed Matter · Physics 2017-09-25 H. Ohadi , R. L. Gregory , T. Freegarde , Y. G. Rubo , A. V. Kavokin , P. G. Lagoudakis

We demonstrate room-temperature spin-polarized ultrafast ($\sim$10 ps) lasing in a highly optically excited GaAs microcavity. This microcavity is embedded with InGaAs multiple quantum wells in which the spin relaxation time is less than 10…

Mesoscale and Nanoscale Physics · Physics 2015-05-22 Feng-kuo Hsu , Wei Xie , Yi-Shan Lee , Sheng-Di Lin , Chih-Wei Lai

We compare polariton lasing with photon lasing of a planar GaAs/GaAlAs microcavity with zero detuning between the bare cavity mode and the bare exciton mode. For the emission from the lower energy-momentum dispersion branch we find a…

We take advantage of the polariton bistability in semiconductor microcavities to estimate the interaction strength between lower exciton-polariton and dark exciton states. We combine the quasiresonant excitation of polaritons and the…

Mesoscale and Nanoscale Physics · Physics 2023-05-23 Elena Rozas , Evgeny Sedov , Yannik Brune , Sven Höfling , Alexey Kavokin , Marc Aßmann

We present a comprehensive study of dispersion managed ultrashort-pulse generation in Nd-doped polarization maintaining all-fiber laser at a 920 nm wavelength. We implement a linear laser scheme with a chirped fiber Bragg grating (CFBG)…

We consider an Yb-doped double-clad fiber laser in a unidirectional ring cavity containing a polarizer placed between two half-wave plates. Depending on the orientation of the phase plates, the laser operates in continuous, Q-switch,…

Pattern Formation and Solitons · Physics 2007-05-23 Herve Leblond , Mohamed Salhi , Ammar Hideur , Thierry Chartier , Marc Brunel , Francois Sanchez

Integrated circuits of photonic components are the goal of applied polaritonics. Here, we propose a compact clock generator based on an exciton-polariton micropillar, providing optical signal with modulation frequency up to 100 GHz. This…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 C. Leblanc , G. Malpuech , D. D. Solnyshkov

Exciton polaritons, hybrid quasiparticles with part-light part-matter nature in semiconductor microcavities, are extensively investigated for striking phenomena such as polariton condensation and quantum emulation. These phenomena have…

Materials Science · Physics 2022-07-27 Tingting Wang , Zhihao Zang , Yuchen Gao , Chao Lyu , Kai Peng , Kenji Watanabe , Takashi Taniguchi , Xiaoze Liu , Wei Bao , Yu Ye

The degenerate four-wave mixing spectroscopy of uniaxially strained GaN layers is demonstrated using colinearly polarized laser pulses. The nonlinear response of FWM signal on exciton oscillator strength enhances the sensitivity for…

Other Condensed Matter · Physics 2009-11-10 Y. Toda , S. Adachi , Y. Abe , K. Hoshino , Y. Arakawa

A spatial potential trap is formed in a 6.0 {\mu}m Al(Ga)N nanowire by varying the Al composition along its length during epitaxial growth. The polariton emission characteristics of a dielectric microcavity with the single nanowire embedded…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Ayan Das , Pallab Bhattacharya , Junseok Heo , Animesh Banerjee , Wei Guo

Layered 2D halide perovskites are chemically synthesized realizations of quantum well stacks with giant exciton oscillator strengths, tunable emission spectra and very large exciton binding energies. While these features render 2D halide…

Polaritons formed by the coupling of light and material excitations such as plasmons, phonons, or excitons enable light-matter interactions at the nanoscale beyond what is currently possible with conventional optics. Recently, significant…

The strong-coupling of an excitonic transition with an electromagnetic mode results in composite quasi-particles called exciton-polaritons, which have been shown to combine the best properties of their bare components in semiconductor…

State-of-the-art hybrid perovskites have demonstrated excellent functionality in photovoltaics and light-emitting applications, and have emerged as a promising candidate for exciton-polariton (polariton) optoelectronics. In the strong…