Signatures of cooperative emission in photon coincidence: Superradiance versus measurement-induced cooperativity

Cygorek, Moritz; Scerri, Eleanor; Santana, Ted Silva; Koong, Zhe Xian; Gerardot, Brian D.; Gauger, Erik M.

doi:10.1103/physreva.107.023718

Cited by 9 publications

(13 citation statements)

References 35 publications

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“…in the form of lifetime measurements. 22,23 Returning to molecular multi-emitter systems, it has been shown that frequencyresolved photon correlation measurements can analogously provide valuable access to the properties of bioinspired vibronic dimers. 24…”

Section: (Signatures Of) Quantum Coherencementioning

confidence: 99%

Bio-inspired quantum energy harvesting with collective light-matter effects

Gauger

2024

Quantum Effects and Measurement Techniques in Biology and Biophotonics

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Networks of interacting molecular optical dipoles play an important role in photosynthetic light harvesting, and also hold significant promise for future artificial technologies. This manuscript gives a brief overview of questions addressed by (our) recent theoretical work with a focus on taking inspiration from biological structures and processes to come up with designs for utilising bio-inspired collective quantum optical effects. These could, for instance, enable quantum-enhanced light harvesting, the charging of Dicke quantum batteries through superabsorption of light, and achieving efficient long-range energy transport. Particular attention is given to the role of inter-emitter quantum coherence as an enabler of these effects.

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Section: (Signatures Of) Quantum Coherencementioning

confidence: 99%

Bio-inspired quantum energy harvesting with collective light-matter effects

Gauger

2024

Quantum Effects and Measurement Techniques in Biology and Biophotonics

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“…The signal of the two avalanche photodiodes (MPD, time resolution of 50 ps) is recorded by an acquisition card (Picoquant, PicoHarp 300, time bin of 64 ps) also synchronized to the pulsed laser diode. From the same data set, the decay of the luminescence and the histogram of the delays between photons can be plotted, the latter providing the intensity autocorrelation function g (2) (τ).…”

Section: Light Emission Of the Gsps-photon Statisticsmentioning

confidence: 99%

“…Moreover, if cooperative emission is only achieved for a small fraction of emitters, the signal may be hidden by the standard fluorescence of the remaining emitters. In contrast, as in many quantum optics experiments, characterizing the intensity autocorrelation function g (2) (τ) appears as a very robust approach to demonstrate collective emission through the prediction of super-Poissonian and even superthermal statistics [25][26][27]. As in [27], we analyzed the data by using a time resolved approach consisting in plotting the variations of the timeintegrated function g (2) (τ) (see figure 2).…”

Section: Light Emission Of the Gsps-photon Statisticsmentioning

confidence: 99%

“…The first section of the paper summarizes the chemical synthesis and the main properties of these golden supraparticles (GSPs) concerning their photoluminescence decay rate and non coherent Förster energy transfer (FRET) between single NCs. By performing a detailed time-resolved analysis of the intensity autocorrelation function g (2) (τ), we then show that photon antibunching is observed for several GSPs. This result is well modeled by a Monte Carlo simulation taking into account FRET as well as Auger recombinations and a fraction of non emitting NCs.…”

Section: Introductionmentioning

confidence: 96%

“…When multiple quantum emitters are coupled to a mode of the electromagnetic field in such a way that their emission cannot be distinguished by a detector, quantum interference phenomena occur, yielding photon-mediated coupling between the emitters. This can generate important modifications of the radiation pattern and of the photon statistics [1,2]. Ultimately, when all the lightmatter coupling terms are identical for all emitters, this culminates in superradiance [3], which strongly alters the internal dynamics of the emitters.…”

Section: Introductionmentioning

confidence: 99%

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Photon correlations in the collective emission of hybrid gold-(CdSe/CdS/CdZnS) nanocrystal supraparticles

Blondot,

Gérard,

Quibeuf

et al. 2024

Nanotechnology

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We investigate the photon statistics of the light emitted by single self-assembled hybrid gold-CdSe/CdS/CdZnS colloidal nanocrystal supraparticles through the detailed analysis of the intensity autocorrelation function g(2)(τ). We ﬁrst reveal that, despite the large number of nanocrystals involved in the supraparticle emission, antibunching can be observed. We then present a model based on non-coherent Förster energy transfer and Auger recombination that well captures photon antibunching. Finally, we demonstrate that some supraparticles exhibit a bunching eﬀect at short time scales corresponding to coherent collective emission.

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ACE: A general-purpose non-Markovian open quantum systems simulation toolkit based on process tensors

Cygorek,

Gauger

2024

The Journal of Chemical Physics

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We describe a general-purpose computational toolkit for simulating open quantum systems, which provides numerically exact solutions for composites of zero-dimensional quantum systems that may be strongly coupled to multiple, quite general non-Markovian environments. It is based on process tensor matrix product operators (PT-MPOs), which efficiently encapsulate environment influences. The code features implementations of several PT-MPO algorithms, in particular Automated Compression of Environments for general environments comprised of independent modes as well as schemes for generalized spin boson models. The latter includes a divide-and-conquer scheme for periodic PT-MPOs, which enable million time step simulations for realistic models. PT-MPOs can be precalculated and reused for efficiently probing different time-dependent system Hamiltonians. They can also be stacked together and combined to provide numerically complete solutions of small networks of open quantum systems. The code is written in C++ and is fully controllable by configuration files, for which we have developed a versatile and compact human-readable format.

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Signatures of cooperative emission in photon coincidence: Superradiance versus measurement-induced cooperativity

Cited by 9 publications

References 35 publications

Bio-inspired quantum energy harvesting with collective light-matter effects

Bio-inspired quantum energy harvesting with collective light-matter effects

Photon correlations in the collective emission of hybrid gold-(CdSe/CdS/CdZnS) nanocrystal supraparticles

ACE: A general-purpose non-Markovian open quantum systems simulation toolkit based on process tensors

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