236 citations · 2.5k across the 67 of their papers we have counts for
67 papers
Carrier diffusion in semiconductor nanoscale resonators
Marco Saldutti, Yi Yu, George Kountouris +2
It is shown that semiconductor nanoscale resonators with extreme dielectric confinement accelerate the diffusion of electron-hole pairs excited by nonlinear absorption. These novel…
Semi-analytical Framework for Modeling Strong Coupling of Quantum Emitters in Electromagnetic Resonators
Mohammad Abutoama, George Kountouris, Jesper Mørk +1
We present a semi-analytical framework for studying interactions between quantum emitters and general electromagnetic resonators. The method relies on the Lippmann-Schwinger equati…
The threshold of semiconductor nanolasers
Marco Saldutti, Yi Yu, Jesper Mørk
Nanolasers based on emerging dielectric cavities with deep sub-wavelength confinement of light offer a large light-matter coupling rate and a near-unity spontaneous emission factor…
A stochastic approach to the quantum noise of a single-emitter nanolaser
Matias Bundgaard-Nielsen, Emil Vosmar Denning, Marco Saldutti +1
It is shown that the intensity quantum noise of a single-emitter nanolaser can be accurately computed by adopting a stochastic interpretation of the standard rate equation model un…
Theory of Linewidth-Narrowing in Fano Lasers
Yi Yu, Aref Rasoulzadeh Zali, Jesper Mørk
We present a general theory for the coherence of Fano lasers based on a bound state in the continuum. We find that such lasers enable orders of magnitude reduction of the quantum-l…
Cavity-dumping using a microscopic Fano laser
G. Dong, S. L. Liang, A. Sakanas +4
A microlaser with low energy consumption and high speed is crucial for on-chip photonic networks. Presently, the modulation of microlasers is based on modulating the gain of the la…
Modal properties of dielectric bowtie cavities with deep sub-wavelength confinement
George Kountouris, Jesper Mørk, Emil Vosmar Denning +1
We present a design for an optical dielectric bowtie cavity which features deep sub-wavelength confinement of light. The cavity is derived via simplification of a complex geometry…
Electrically-driven Photonic Crystal Lasers with Ultra-low Threshold
Evangelos Dimopoulos, Aurimas Sakanas, Andrey Marchevsky +5
Light sources with ultra-low energy consumption and high performance are required to realize optical interconnects for on-chip communication. Photonic crystal (PhC) nanocavity lase…
Nanometer-scale photon confinement in topology-optimized dielectric cavities
Marcus Albrechtsen, Babak Vosoughi Lahijani, Rasmus Ellebæk Christiansen +8
Nanotechnology enables in principle a precise mapping from design to device but relied so far on human intuition and simple optimizations. In nanophotonics, a central question is h…
Non-Markovian perturbation theories for phonon effects in strong-coupling cavity quantum electrodynamics
Matias Bundgaard-Nielsen, Jesper Mørk, Emil Vosmar Denning
Phonon interactions are inevitable in cavity quantum electrodynamical systems based on solid-state emitters or fluorescent molecules, where vibrations of the lattice or chemical bo…
Quantum Langevin approach for superradiant nanolasers
Igor Protsenko, Alexander Uskov, Emil C. André +2
A new approach for analytically solving quantum nonlinear Langevin equations is proposed and applied to calculations of spectra of superradiant lasers where collective effects play…
Unidirectional Quantum Transport in Optically Driven -type Quantum Dot Chains
Oliver Kaestle, Emil Vosmar Denning, Jesper Mørk +2
We predict a mechanism for achieving complete population inversion in a continuously driven InAs/GaAs semiconductor quantum dot featuring -type transitions. This highly nonequil…
Efficient stochastic simulation of rate equations and photon statistics of nanolasers
Emil Cortes André, Jesper Mork, Martijn Wubs
Based on a rate equation model for single-mode two-level lasers, two algorithms for stochastically simulating the dynamics and steady-state behaviour of micro- and nanolasers are d…
Electron-phonon decoupling due to strong light-matter interactions
Emil V. Denning, Matias Bundgaard-Nielsen, Jesper Mork
Phonon interactions in solid-state photonics systems cause intrinsic quantum decoherence and often present the limiting factor in emerging quantum technology. Due to recent develop…
Squeezing of intensity noise in nanolasers and nanoLEDs
Jesper Mork, Kresten Yvind
The intensity noise of nanolasers and nanoLEDs is analyzed for conventional and quiet pumping of electrons into the active region. It is shown that nanoLEDs with Purcell-enhanced e…
Quantum light-matter interaction and controlled phonon scattering in a photonic Fano cavity
Emil V Denning, Jake Iles-Smith, Jesper Mork
The Fano effect arises from the interference between a continuum of propagating modes and a localised resonance. By using this resonance as one of the mirrors in an optical cavity,…
A Simple Coupled-Bloch-Mode Approach To Study Active Photonic Crystal Waveguides and Lasers
Marco Saldutti, Paolo Bardella, Jesper Mørk +1
By applying a coupled-Bloch-mode approach, we have derived a simple expression for the transmission properties of photonic crystal (PhC) line-defect waveguides with a complex refra…
Suppression of coherence collapse in semiconductor Fano lasers
Thorsten S. Rasmussen, Yi Yu, Jesper Mork
We show that semiconductor Fano lasers strongly suppress dynamic instabilities induced by external optical feedback. A comparison with conventional Fabry-Perot lasers shows orders…
Collective quantum memory activated by a driven central spin
Emil V. Denning, Dorian A. Gangloff, Mete Atatüre +2
Coupling a qubit coherently to an ensemble is the basis for collective quantum memories. A driven quantum dot can deterministically excite low-energy collective modes of a nuclear…
Light Scattering from Solid-State Quantum Emitters: Beyond the Atomic Picture
Alistair J. Brash, Jake Iles-Smith, Catherine L. Phillips +8
Coherent scattering of light by a single quantum emitter is a fundamental process at the heart of many proposed quantum technologies. Unlike atomic systems, solid-state emitters co…
Analytical vs. Numerical Langevin Description of Noise in Small Lasers
G. L. Lippi, J. Mørk, G. P. Puccioni
We compare the analytical and numerical predictions of noise in nano- and microcavity lasers obtained from a rate equation model with stochastic Langevin noise. Strong discrepancie…
Two-dimensional phase-space picture of the photonic crystal Fano laser
Piotr M. Kamiński, Samel Arslanagić, Jesper Mørk +1
The recently realized photonic crystal Fano laser constitutes the first demonstration of passive pulse generation in nanolasers [Nat. Photonics , 81-84 (2017)]. We…
On collective Rabi splitting in nanolasers and nano-LEDs
Emil C. André, Igor E. Protsenko, Alexander V. Uskov +2
We analytically calculate the optical emission spectrum of nanolasers and nano-LEDs based on a model of many incoherently pumped two-level emitters in a cavity. At low pump rates w…
Maximizing the quality factor to mode volume ratio for ultra-small photonic crystal cavities
Fengwen Wang, Rasmus Ellebæk Christiansen, Yi Yu +2
Small manufacturing-tolerant photonic crystal cavities are systematically designed using topology optimization to enhance the ratio between quality factor and mode volume, Q/V. For…