Results 41 to 50 of about 1,799 (199)

Mesoscopic Limit Cycles in Coupled Nanolasers [PDF]

open access: yes, 2020
[eng] Two coupled nanolasers exhibit a mode switching transition, theoretically described by mode beating limit cycle oscillations. Their decay rate is vanishingly small in the thermodynamic limit, i.e., when the spontaneous emission noise tends to zero.
Pan, S.H.   +7 more
core   +2 more sources

Single-Mode Emission by Phase-Delayed Coupling Between Nanolasers. [PDF]

open access: yesACS Photonics
Near-field coupling between nanolasers enables collective high-power lasing but leads to complex spectral reshaping and multimode operation, limiting the emission brightness, spatial coherence, and temporal stability.
Raziman TV   +12 more
europepmc   +2 more sources

Room-Temperature Gate Voltage Modulation of Plasmonic Nanolasers

open access: yes, 2023
Stable electrical modulation of plasmonic nanolasers is achieved on a hybrid graphene–insulator–metal (GIM) platform at room temperature. To support surface plasmon polariton (SPP) resonance, a zinc oxide (ZnO) nanowire is placed on the GIM platform to ...
Ting-Wei Chien (14856201)   +6 more
core   +1 more source

Nanolaser-based emulators of spin Hamiltonians

open access: yesNanophotonics, 2020
Finding the solution to a large category of optimization problems, known as the NP-hard class, requires an exponentially increasing solution time using conventional computers.
Parto Midya   +4 more
doaj   +1 more source

Full-Spectrum Analysis of Perovskite-Based Surface Plasmon Nanolasers

open access: yesNanoscale Research Letters, 2020
We systematically studied the characteristics of hybrid perovskite-based surface plasmon nanolasers. If one changes the anion composition of perovskites, the emission wavelength can be easily tuned.
Pi-Ju Cheng   +9 more
doaj   +1 more source

Green and Scalable Synthesis of Efficient and Stable CsPbBr3 Perovskite Quantum Dots Enables Low‐Threshold Amplified Spontaneous Emission

open access: yesAdvanced Science, EarlyView.
Green and scalable synthesis of CsPbBr3 perovskite quantum dots using bio‐sourced lecithin and hexane enables single‐batch production over 10 grams. Suppressed Auger recombination and electron‐phonon coupling yields 95% PLQY, enhanced stability, and low ASE thresholds of 230.4 (ns) and 50.1 (fs) µJ cm−2 in neat films. ABSTRACT Halide perovskite quantum
Yongfeng Liu   +10 more
wiley   +1 more source

Cloaking a nanolaser

open access: yes, 2021
Light emitters are bound to strongly interact with light through enhanced absorption and scattering, which imposes limitations on the design and performance of photonic devices such as solar cells, nanoantennas, and (nano) lasers. Overcoming these limitations forces the use of ineffective nonreciprocity approaches or separation of radiation and ...
Lepeshov, Sergey   +2 more
openaire   +2 more sources

Breakthroughs in Semiconductor Lasers

open access: yesIEEE Photonics Journal, 2012
The latest breakthroughs on the frontiers of semiconductor laser capabilities are presented. Achievements including the impressive advances in high-speed lasers with low pJ/bit energy consumption, high-power vertical external cavity surface emitting ...
Mark T. Crowley   +2 more
doaj   +1 more source

Side‐DBR Guided Exciton‐Polariton Lasing With Near‐Field Mode Imaging in an InGaN Thin‐Film Ridge Waveguide

open access: yesLaser &Photonics Reviews, EarlyView.
Room‐temperature lower‐polariton‐like lasing is realized in an InGaN/GaN thin‐film ridge cavity with lateral distributed Bragg reflectors. Near‐field optical microscopy distinguishes the transverse side‐DBR‐confined mode from a longitudinal photon‐like mode, while simulations reproduce their spatial profiles.
Wai Yuen Fu   +2 more
wiley   +1 more source

Novel non-plasmonic nanolasers empowered by topology and interference effects

open access: yesNanophotonics, 2021
Historically, nanophotonics deals with a control of light at the nanoscale being closely connected with the rapid advances in plasmonics – the physics of surface plasmon polaritons supported by metal–dielectric interfaces.
Hwang Min-Soo   +4 more
doaj   +1 more source

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