184 citations · 1.6k across the 36 of their papers we have counts for
36 papers
Few-particle scattering from localized quantum systems in spatially structured bosonic baths
Rahul Trivedi, Kevin Fischer, Shanhui Fan +1
Understanding dynamics of localized quantum systems embedded in engineered bosonic environments is a central problem in quantum optics and open quantum system theory. We present a…
Point-coupling Hamiltonian for frequency-independent linear optical devices
Rahul Trivedi, Kevin Fischer, Sattwik Deb Mishra +1
We present the point-coupling Hamiltonian as a model for frequency-independent linear optical devices acting on propagating optical modes described as a continua of harmonic oscill…
Generation of non-classical light using semiconductor quantum dots
Rahul Trivedi, Kevin Fischer, Jelena Vuckovic +1
Sources of non-classical light are of paramount importance for future applications in quantum science and technology such as quantum communication, quantum computation and simulati…
Photon blockade in weakly-driven cavity QED systems with many emitters
Rahul Trivedi, Marina Radulaski, Kevin A. Fischer +2
We use the scattering matrix formalism to analyze photon blockade in coherently-driven CQED systems with a weak drive. By approximating the weak coherent drive by an input single-…
Few-photon scattering and emission from open quantum systems
Rahul Trivedi, Kevin Fischer, Shanshan Xu +2
We show how to use the input-output formalism compute the propagator for an open quantum system, i.e. quantum networks with a low dimensional quantum system coupled to one or more…
Exact calculation of stimulated emission driven by pulsed light
Kevin A. Fischer
Stimulated emission can be defined as the process when an incoming photon stimulates an additional quantum of energy from an atom into the same electromagnetic mode as the impingin…
Pulsed coherent drive in the Jaynes--Cummings model
Kevin Fischer, Shuo Sun, Daniil Lukin +3
The Jaynes--Cummings system is one of the most fundamental models of how light and matter interact. When driving the system with a coherent state (e.g. laser light), it is often as…
Cavity-enhanced Raman emission from a single color center in a solid
Shuo Sun, Jingyuan Linda Zhang, Kevin A. Fischer +12
We demonstrate cavity-enhanced Raman emission from a single atomic defect in a solid. Our platform is a single silicon-vacancy center in diamond coupled with a monolithic diamond p…
Particle emission from open-quantum systems
Kevin A. Fischer, Rahul Trivedi, Daniil Lukin
In this work, we discuss connections between different theoretical physics communities and their works, all related to systems that act as sources of particles such as photons, pho…
Quantum dot single photon sources with ultra-low multi-photon probability
Lukas Hanschke, Kevin A. Fischer, Stefan Appel +7
High-quality sources of single photons are of paramount importance for quantum communication, sensing and metrology. To these ends, resonantly excited two-level systems based on se…
Derivation of the quantum-optical master equation based on coarse-graining of time
Kevin Fischer
This is a derivation of the quantum-optical master equation using coarse-graining of time, which brings new insights into a decades old technique. My derivation is quite similar to…
Scattering into one-dimensional waveguides from a coherently-driven quantum-optical system
Kevin A. Fischer, Rahul Trivedi, Vinay Ramasesh +2
We develop a new computational tool and framework for characterizing the scattering of photons by energy-nonconserving Hamiltonians into unidirectional (chiral) waveguides, for exa…
Signatures of two-photon pulses from a quantum two-level system
Kevin A. Fischer, Lukas Hanschke, Jakob Wierzbowski +5
The theoretical community has found interest in the ability of a two-level atom to generate a strong many-body interaction with light under pulsed excitation. Single-photon generat…
Strongly Cavity-Enhanced Spontaneous Emission from Silicon-Vacancy Centers in Diamond
Jingyuan Linda Zhang, Shuo Sun, Michael J. Burek +11
Quantum emitters are an integral component for a broad range of quantum technologies including quantum communication, quantum repeaters, and linear optical quantum computation. Sol…
Pulsed Rabi oscillations in quantum two-level systems: beyond the Area Theorem
Kevin A. Fischer, Lukas Hanschke, Malte Kremser +3
The Area Theorem states that when a short optical pulse drives a quantum two-level system, it undergoes Rabi oscillations in the probability of scattering a single photon. In this…
Ultrafast Coherent Manipulation of Trions in Site-Controlled Nanowire Quantum Dots
K. G. Lagoudakis, P. L. McMahon, C. Dory +9
Physical implementations of large-scale quantum processors based on solid-state platforms benefit from realizations of quantum bits positioned in regular arrays. Self-assembled qua…
Observation of Mollow Triplets with Tunable Interactions in Double Lambda Systems of Individual Hole Spins
K. G. Lagoudakis, K. A. Fischer, T. Sarmiento +7
Although individual spins in quantum dots have been studied extensively as qubits, their investigation under strong resonant driving in the scope of accessing Mollow physics is sti…
Complete Coherent Control of Silicon-Vacancies in Diamond Nanopillars Containing Single Defect Centers
Jingyuan Linda Zhang, Konstantinos G. Lagoudakis, Yan-Kai Tzeng +8
Arrays of identical and individually addressable qubits lay the foundation for the creation of scalable quantum hardware such as quantum processors and repeaters. Silicon vacancy c…
Nonclassical Light Generation from III-V and Group-IV Solid-State Cavity Quantum Systems
Marina Radulaski, Kevin Fischer, Jelena Vuckovic
In this chapter, we present the state-of-the-art in the generation of nonclassical states of light using semiconductor cavity quantum electrodynamics (QED) platforms. Our focus is…
Photon Blockade in Two-Emitter-Cavity Systems
Marina Radulaski, Kevin A. Fischer, Konstantinos G. Lagoudakis +2
The photon blockade (PB) effect in emitter-cavity systems depends on the anharmonicity of the ladder of dressed energy eigenstates. The recent developments in color center photonic…
An on-chip architecture for self-homodyned nonclassical light
Kevin A. Fischer, Yousif A. Kelaita, Neil V. Sapra +4
In the last decade, there has been remarkable progress on the practical integration of on-chip quantum photonic devices yet quantum state generators remain an outstanding challenge…
Nanodiamond integration with photonic devices
Marina Radulaski, Jingyuan Linda Zhang, Yan-Kai Tzeng +13
We discuss the progress in integration of nanodiamonds with photonic devices for quantum optics applications. Experimental results in GaP, SiO2 and SiC-nanodiamond platforms show t…
Tuning the Photon Statistics of a Strongly Coupled Nanophotonic System
Constantin Dory, Kevin A. Fischer, Kai Müller +7
We investigate the dynamics of single- and multi-photon emission from detuned strongly coupled systems based on the quantum-dot-photonic-crystal resonator platform. Transmitting li…
Dynamical modeling of pulsed two-photon interference
Kevin A. Fischer, Kai Müller, Konstantinos G. Lagoudakis +1
Single-photon sources are at the heart of quantum-optical networks, with their uniquely quantum emission and phenomenon of two-photon interference allowing for the generation and t…