Results 101 to 110 of about 1,799 (199)
Polariton lasing in Mie-resonant perovskite nanocavity
Deeply subwavelength lasers (or nanolasers) are highly demanded for compact on-chip bioimaging and sensing at the nanoscale. One of the main obstacles for the development of single-particle nanolasers with all three dimensions shorter than the emitting ...
Mikhail A. Masharin +14 more
doaj +1 more source
Long-term mutual phase locking of picosecond pulse pairs generated by a semiconductor nanowire laser
Although nanolasers have been an active field of research for over a decade, mode-locking on the nanoscale has not been achieved yet. Here, Mayeret al.
B. Mayer +8 more
doaj +1 more source
Breakthroughs in Photonics 2014: Advances in Plasmonic Nanolasers
Plasmonic nanolasers are promising as nanoscale coherent sources of optical fields because they support ultrasmall sizes and show ultrafast dynamics. Major advances over the last several years have focused on nanocavity design, materials improvements in ...
Ankun Yang, Teri W. Odom
doaj +1 more source
Thresholdless quantum dot nanolaser
Thresholdless lasing is an outstanding challenge in laser science and is achievable only in devices having near unity quantum efficiency even when not lasing. Such lasers are expected to exhibit featureless linear light output curves. However, such thresholdless behavior hinders identification of the laser transition, triggering a long-lasting argument
Yasutomo, Ota +4 more
openaire +2 more sources
Quantum theory of a spaser-based nanolaser
We present a quantum theory of a spaser-based nanolaser, under the bad-cavity approximation. We find first- and second-order correlation functions $g^{(1)} (τ)$ and $g^{(2)}(τ)$ below and above the generation threshold, and obtain the average number of plasmons in the cavity. The latter is shown to be of the order of unity near the generation threshold,
Parfenyev, Vladimir M. +1 more
openaire +3 more sources
Measuring the frequency response of optically pumped metal-clad nanolasers
We report on our initial attempt to characterize the intrinsic frequency response of metal-clad nanolasers. The probed nanolaser is optically biased and modulated, allowing the emitted signal to be detected using a high-speed photodiode at each ...
Patrick Likamwa (14414352) +3 more
core +1 more source
Stochastically sustained population oscillations in high-β nanolasers
Nonlinear dynamical systems involving small populations of individuals may sustain oscillations in the population densities arising from discrete changes in population numbers due to random events.
A Lebreton +5 more
doaj +1 more source
Mesoscopic limit cycles in coupled nanolasers
Two coupled semiconductor nanolasers exhibit a mode switching transition, theoretically characterized by limit cycle $-$or mode-beating$-$ oscillations. Their decay rate is vanishingly small in the thermodynamic limit, i.e.
El Amili, Abdelkrim +8 more
core +2 more sources
A nanolaser with extreme dielectric confinement
The interaction between light and matter can be enhanced by spatially concentrating the light field and extending photon dwell time. Plasmonic structures can provide strong light confinement but suffer from ohmic losses. Recent advances in dielectric nanostructures enable strong light localization without metallic losses.
Meng Xiong +7 more
openaire +4 more sources
Study of nanolaser optical and structural properties at the nanometer scale [PDF]
Santini Cléo +10 more
doaj +1 more source

