130 citations · 995 across the 59 of their papers we have counts for
7 papers · 1 filter
Photon Number Coherence in Quantum Dot-Cavity Systems can be Enhanced by Phonons
Paul C. A. Hagen, Mathieu Bozzio, Moritz Cygorek +2
Semiconductor quantum dots are a versatile source of single photons with tunable properties to be used in quantum-cryptographic applications. A crucial figure of merit of the emitt…
ACE: A general-purpose non-Markovian open quantum systems simulation toolkit based on process tensors
Moritz Cygorek, Erik M. Gauger
We describe a general-purpose computational toolkit for simulating open quantum systems, which provides numerically exact solutions for composites of zero-dimensional quantum syste…
Tree-like process tensor contraction for automated compression of environments
Moritz Cygorek, Brendon W. Lovett, Jonathan Keeling +1
The algorithm "automated compression of environments" (ACE) [Nat. Phys. 18, 662 (2022)] provides a versatile way of simulating an extremely broad class of open quantum systems. Thi…
Theory of time-bin entangled photons from quantum emitters
Thomas K. Bracht, Florian Kappe, Moritz Cygorek +6
Entangled photon pairs form the foundation for many applications in the realm of quantum communication. For fiber-optic transfer of entangled photon pairs, time-bin encoding can po…
Understanding and utilizing the inner bonds of process tensors
Moritz Cygorek, Erik M. Gauger
Process tensor matrix product operators (PT-MPOs) enable numerically exact simulations for an unprecedentedly broad range of open quantum systems. By representing environment influ…
All-optical ultrafast arbitrary rotation of hole orbital qubits with direct phase control
Jun-Yong Yan, Liang Zhai, Hans-Georg Babin +10
Complete quantum control of a stationary quantum bit embedded in a quantum emitter is crucial for photonic quantum information technologies. Recently, the orbital degree of freedom…
The role of polaron dressing in superradiant emission dynamics
Julian Wiercinski, Moritz Cygorek, Erik M. Gauger
Cooperative effects of multiple quantum emitters are characterized by transitions via delocalized collective states with altered emission properties due to the existence of inter-e…