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We propose an experimental scheme to implement a strong photon blockade with a single quantum dot coupled to a nanocavity. The photon blockade effect can be tremendously enhanced by driving the cavity and the quantum dot simultaneously with…

Quantum Physics · Physics 2015-03-19 Jing Tang , Weidong Geng , Xiulai Xu

Entangled photon sources are crucial for quantum optics, quantum sensing and quantum communication. Semiconductor quantum dots generate on-demand entangled photon pairs via the biexciton-exciton cascade. However, the pair of photons are…

Quantum Physics · Physics 2019-07-09 Mohd Zeeshan , Nachiket Sherlekar , Arash Ahmadi , Robin L Williams , Michael E Reimer

Scalability and foundry compatibility (as for example in conventional silicon based integrated computer processors) in developing quantum technologies are exceptional challenges facing current research. Here we introduce a quantum photonic…

Applied Physics · Physics 2017-07-20 T-H. Chung , G. Juska , S. T. Moroni , A. Pescaglini , A. Gocalinska , E. Pelucchi

Quantum repeaters - fundamental building blocks for long-distance quantum communication - are based on the interaction between photons and quantum memories. The photons must fulfil stringent requirements on central frequency, spectral…

Quantum Physics · Physics 2016-05-25 Benjamin Brecht , Kai-Hong Luo , Harald Herrmann , Christine Silberhorn

A non-classical light source emitting pairs of identical photons represents a versatile resource of interdisciplinary importance with applications in quantum optics and quantum biology. Emerging research fields, which benefit from such type…

The rapid generation of non-classical light serves as the foundation for exploring quantum optics and developing applications such as secure communication or generation of NOON-states. While strongly coupled quantum dot-photonic crystal…

Photon-number statistics of the emitted photons from a quantum dot placed in the vicinity of a metallic nanoparticle (with either shell or solid-sphere geometry) in the non-Markovian regime is investigated theoretically. In the model…

Optics · Physics 2018-06-08 Tara Moradi , Malek Bagheri Harouni , Mohammad Hossein Naderi

Optical non-linearities at the single-photon level are key ingredients for future photonic quantum technologies. Prime candidates for the realization of strong photon-photon interactions necessary for implementing quantum information…

Mesoscale and Nanoscale Physics · Physics 2012-02-10 Andreas Reinhard , Thomas Volz , Martin Winger , Antonio Badolato , Kevin J. Hennessy , Evelyn L. Hu , Atac Imamoglu

The ability to generate complex optical photon states involving entanglement between multiple optical modes is not only critical to advancing our understanding of quantum mechanics but will play a key role in generating many applications in…

We propose a scheme to manipulate strong and nonreciprocal photon blockades in asymmetrical Fabry-Perot cavity with a $\Lambda$-type three-level atom. Utilizing the mechanisms of both conventional and unconventional blockade, the strong…

Quantum Physics · Physics 2023-10-24 Xue-Chen Gao , Xiao-Jie Wu , Cheng-Hua Bai , Shao-Xiong Wu , Chang-shui Yu

Electro-optic control of quantum dots embedded in the plasmonic nanocavities enables active tuning of photonic devices for emerging applications in Quantum optics such as quantum information processing, entanglement and ultrafast optical…

Optics · Physics 2026-02-06 Hira Asif , Ramazan Sahin

The coherent interaction of electromagnetic fields with solid-state two-level systems can yield deterministic quantum light sources for photonic quantum technologies. To date, the performance of semiconductor single-photon sources based on…

Motivated by the experimental search for "GHz nonclassical light", we identify the conditions under which current fluctuations in a narrow constriction generate sub-Poissonian radiation. Antibunched electrons generically produce bunched…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. W. J. Beenakker , H. Schomerus

Photon pair sources are fundamental building blocks for quantum entanglement and quantum communication. Recent studies in silicon photonics have documented promising characteristics for photon pair sources within the telecommunications…

Analogous to Coulomb blockade for electrons, photon blockade is a key quantum optical effect in which the presence of one photon prevents the transmission of subsequent ones through a nonlinear medium. Beyond its fundamental interest,…

Quantum Physics · Physics 2025-11-17 Lijuan Dong , Aanal Jayesh Shah , Peter Kirton , Hadiseh Alaeian , Simone Felicetti

Photon blockade is vital for single-photon generation, but current schemes with conventional and unconventional photon blockade face critical limitations like the purity-brightness trade-off, hindering the generation of high-performance…

Quantum Physics · Physics 2026-05-29 Sheng Zhao , Peng-Bo Li

Photon-photon interactions are an essential requirement of quantum photonic information processing. One way to generate these interactions is to utilize an atom strongly coupled to an optical cavity. This system exhibits the photon blockade…

Quantum Physics · Physics 2022-05-31 Harjot Singh , Edo Waks

We report the observation of nonclassical light generated via photon blockade in a photonic crystal cavity with a strongly coupled quantum dot. By tuning the frequency of the probe laser with respect to the cavity and quantum dot resonance…

Quantum Physics · Physics 2011-04-26 Andrei Faraon , Ilya Fushman , Dirk Englund , Nick Stoltz , Pierre Petroff , Jelena Vuckovic

The most simple and seemingly straightforward application of the photon blockade effect, in which the transport of one photon prevents the transport of others, would be to separate two incoming indistinguishable photons to different output…

Quantum Physics · Physics 2014-04-21 Serge Rosenblum , Scott Parkins , Barak Dayan

Quantum nanophotonics merges the precision of nanoscale light manipulation with the capabilities of quantum technologies, offering a pathway for enhanced light-matter interaction and compact realization of quantum devices. Here, we show how…