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We demonstrate experimentally the simultaneous generation and detection of two types of continuous variable nonclassical states from one type-0 phase-matching optical parametric amplification (OPA) and subsequent two ring filter cavities…

Quantum Physics · Physics 2020-09-28 Long Tian , Shaoping Shi , Yuhang Tian , Yajun Wang , Yaohui Zheng , Kunchi Peng

Quantum light pulses (QLPs) can be described by spatio-temporal modes, each of which is associated with a quantum state. In the mid-infrared spectral range, electro-optic sampling (EOS) provides a means to characterize quantum fluctuations…

Quantum Physics · Physics 2026-01-07 Geehyun Yang , Sandeep Sharma , Andrey S. Moskalenko

Ultrafast imaging is a powerful tool for studying space-time dynamics in photonic material, plasma physics, living cells, and neural activity. Pushing the imaging speed to the quantum limit could reveal extraordinary scenes about the…

Instrumentation and Detectors · Physics 2018-07-03 Xuanke Zeng , Yi Cai , Shuiqin Zheng , Shixiang Xu , Hu Long , Xiaowei Lu , Xiuwen Zhang , Weixin Xie , Jingzhen Li

The ability to engineer entangled states that involve macroscopic objects is of particular importance for a wide variety of quantum-enabled technologies, ranging from quantum information processing to quantum sensing. Here we propose how to…

Quantum Physics · Physics 2024-08-07 Ya-Feng Jiao , Yun-Lan Zuo , Yan Wang , Wangjun Lu , Jie-Qiao Liao , Le-Man Kuang , Hui Jing

Field-orthogonal temporal mode analysis of optical fields is recently developed for a new framework of quantum information science. But so far, the exact profiles of the temporal modes are not known, which makes it difficult to achieve mode…

Quantum Physics · Physics 2020-06-24 Nan Huo , Yuhong Liu , Jiamin Li , Liang Cui , Xin Chen , Rithwik Palivela , Tianqi Xie , Xiaoying Li , Z. Y. Ou

A particularly simple setup is introduced to study the influence of time-delayed coherent feedback on the optical squeezing properties of the degenerate parametric amplifier (DPA). The possibility for significantly enhanced squeezing is…

Quantum Physics · Physics 2016-08-10 Nikolett Német , Scott Parkins

Time-resolved optical filtering (TROF) measures the spectrogram or sonogram by a fast photodiode followed a tunable narrowband optical filter. For periodic signal and to match the sonogram, numerical TROF algorithm is used to find the…

Optics · Physics 2013-01-15 KeangPo Ho , Hsi-Cheng Wang , Hau-Kai Chen , Cheng-Chen Wu

Faithful quantum state transfer between telecom photons and microwave frequency mechanical oscillations necessitate a fast conversion rate and low thermal noise. Two-dimensional (2D) optomechanical crystals (OMCs) are favorable candidates…

Quantum Physics · Physics 2024-08-23 Sho Tamaki , Mads Bjerregaard Kristensen , Théo Martel , Rémy Braive , Albert Schliesser

PARAFAC2 has demonstrated success in modeling irregular tensors, where the tensor dimensions vary across one of the modes. An example scenario is modeling treatments across a set of patients with the varying number of medical encounters…

Machine Learning · Computer Science 2018-08-29 Ardavan Afshar , Ioakeim Perros , Evangelos E. Papalexakis , Elizabeth Searles , Joyce Ho , Jimeng Sun

We demonstrate a method for generating entanglement between trapped atomic ions based on adiabatically ramped state-dependent forces. By ramping both the amplitude of the state-dependent force and the motional mode frequencies, we realize…

Multi-mode optical interferometers represent the most viable platforms for the successful implementation of several quantum information schemes that take advantage of optical processing. Examples range from quantum communication, sensing…

Tripartite entanglement as a remarkable resource in quantum information science has been extensively investigated in hybrid quantum systems, whereas it is generally weak and prone to be suppressed by noise, restricting its practical…

Quantum Physics · Physics 2024-12-30 Yan Wang , Jin-Lei Wu , Ya-Feng Jiao , Tian-Xiang Lu , Hui-Lai Zhang , Li-Ying Jiang , Le-Man Kuang , Hui Jing

This paper introduces a cognitive Retrieval-Augmented Generator (RAG) architecture that transcends transformer context-length limitations through phase-coded memory and morphological-semantic resonance. Instead of token embeddings, the…

Neural and Evolutionary Computing · Computer Science 2025-11-18 Denis V. Saklakov

Quantum correlation, such as entanglement and squeezing have shown to improve phase estimation in interferometric setups on one side, and non-interferometric imaging scheme of amplitude object on the other. In the last case, quantum…

We present a sample-based, autoregressive (AR) method for the generation and time evolution of atmospheric phase screens that is computationally efficient and uses a single parameter per Fourier mode to vary the power contained in the…

Atmospheric and Oceanic Physics · Physics 2015-12-21 Sriakr Srinath , Lisa A. Poyneer , Alexander R. Rudy , S. Mark Ammons

Continuous variable encoding of quantum information requires the deterministic generation of highly correlated quantum states of light in the form of quantum networks, which, in turn, necessitates the controlled generation of a large number…

Time-bin encoded photon pairs enable robust, decoherence-resistant transmission through optical fibers for long-distance quantum communication, where phase noise poses a critical limitation to stable operation. Here, we implement an…

Quantum Physics · Physics 2025-10-28 P. M. Berto , F. CampodÓnico , A. A. Matoso , S. Vergara , P. A. Coelho , G. Lima , S. PÁdua , J. CariÑe

We examine the use of optomechanically-generated squeezing to obtain a sensitivity enhancement for interferometers in the gravitational-wave band. The intrinsic dispersion characteristics of optomechanical squeezing around the mechanical…

We present new results on an optical implementation of Grover's quantum search algorithm. This extends previous work in which the transverse spatial mode of a light beam oscillates between a broad initial input shape and a highly localized…

Quantum Physics · Physics 2009-11-13 T. W. Hijmans , T. N. Huussen , R. J. C. Spreeuw

The time-frequency degree of freedom is a powerful resource for implementing high-dimensional quantum information processing. In particular, field-orthogonal pulsed temporal modes offer a flexible framework compatible with both…

Quantum Physics · Physics 2018-05-29 Vahid Ansari , John M. Donohue , Benjamin Brecht , Christine Silberhorn