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Quantum information processing, communication, and sensing networks are being developed with various qubit platforms that use different encoding schemes. Connecting quantum network nodes to distribute entanglement requires matching photon…

Hyperparallel quantum information processing outperforms its traditional parallel one in terms of channel capacity, low loss rate, and processing speed. We present a way for implementing a robust hyper-parallel optical controlled-phase-flip…

Quantum Physics · Physics 2020-08-05 Hai-Rui Wei , Yan-Bei Zheng , Ming Hua , Guo-Fu Xu

Microcavity exciton polaritons are promising candidates to build a new generation of highly nonlinear and integrated optoelectronic devices. Such devices range from novel coherent light emitters to reconfigurable potential landscapes for…

The next generation of photonic circuits will require programmable, ultrafast, and energy-efficient components on a scalable platform for quantum and neuromorphic computing. Here, we present ultrafast electrical control of highly nonlinear…

Optics · Physics 2025-02-20 Dror Liran , Ronen Rapaport , Kirk Baldwin , Loren Pfeiffer , Hui Deng

This paper proposes a flexible broadband linear polarization converter based on metasurface operating at microwave band. In order to achieve bandwidth extension property, long and short metallic arc wires, as well as the metallic disks…

Applied Physics · Physics 2019-09-04 Qi Wang , Xiangkun Kong , Xiangxi Yan , Yan Xu , Shaobin Liu , Jinjun Mo , Xiaochun Liu

Radio interferometers can measure the full polarization state of incoming waves by cross--correlating all combinations of two orthogonal polarizations at each antenna. The independent sets of electronics used to detect the two polarization…

Instrumentation and Methods for Astrophysics · Physics 2012-05-18 W. D. Cotton

We propose and analyze a scheme for manipulating the propagation of single photon pulses with two polarization components in a Rydberg atomic gas via double electromagnetically induced transparency. We show that by storing a gate photon in…

Quantum Physics · Physics 2024-01-15 Ou Yao , Huang Guoxiang

We theoretically propose and experimentally demonstrate a novel composite polarization controller. With our design, which comprises two half-wave plates and two quarter-wave plates the retardance and rotation can be changed continuously by…

We propose a realization of quantum computing using polarized photons. The information is coded in two polarization directions of the photons and two-qubit operations are done using conditional Faraday effect. We investigate the performance…

Quantum Physics · Physics 2007-05-23 P. Torma , S. Stenholm

Surface plasmon polaritons have attracted varies of interests due to its special properties, especially in the polarization-controlled devices. Typically, the polarization-controlled devices include directional coupling, focusing lens and…

Optics · Physics 2018-07-30 Hailong Zhou , Jinran Qie , Jianji Dong , Xinliang Zhang

The purpose of this paper is to present a theoretic and numerical study of utilizing squeezing and phase shift in coherent feedback control of linear quantum optical systems. A quadrature representation with built-in phase shifters is…

Quantum Physics · Physics 2012-06-19 Guofeng Zhang , Heung Wing Joseph Lee , Bo Huang , Hu Zhang

We propose to integrate the electro-optic tuning function into polarization-entangled photon pair generation process in a periodically poled lithium niobate (PPLN). Due to the versatility of PPLN, both the spontaneously parametric down…

Quantum Physics · Physics 2013-07-16 Yang Ming , Ai-hong Tan , Zi-jian Wu , Zhao-xian Chen , Fei Xu , Yan-qing Lu

We theoretically investigate the suitability of the selection of pump frequency ($\omega_p$) with respect to the signal frequency ($\omega_s$) for the best polarization insensitive phase conjugate generation through Bragg-scattering based…

Optics · Physics 2019-03-27 Aneesh Sobhanan , Deepa Venkitesh

We demonstrate deterministic control of the nearest and next-nearest neighbor coupling in the unit cell of a square lattice of microcavity exciton-polariton condensates. We tune the coupling in a continuous and reversible manner by…

Mesoscale and Nanoscale Physics · Physics 2020-05-27 Sergey Alyatkin , Julian D. Töpfer , Alexis Askitopoulos , Helgi Sigurdsson , Pavlos G. Lagoudakis

The polarization of light conveys unique information that can be exploited by crucial applications. The bulky and costly discrete optical components used in conventional polarimeters limit their broad adoption. A compact, low-cost…

Applied Physics · Physics 2019-03-27 Zhongjin Lin , Leslie Rusch , Yuxuan Chen , Wei Shi

Lithium niobate on insulator (LNOI) waveguides, as an emerging technology, have proven to offer a promising platform for integrated optics, due to their strong optical confinement comparable to silicon on insulator (SOI) waveguides, while…

Optics · Physics 2021-03-08 Guang Yang , Alexander V. Sergienko , Abdoulaye Ndao

We propose a scheme for long-distance quantum communication where the elementary entanglement is generated through two-photon interference and quantum swapping is performed through one-photon interference. Local "polarization" maximally…

Quantum Physics · Physics 2010-03-03 Fang-Yu Hong , Shi-Jie Xiong , W. H. Tang

Polarization correlations of two distant observers are observed by using coherent light fields based on Stapp's formulation of nonlocality. Using a 50/50 beam splitter transformation, a vertically polarized coherent light field is found to…

Quantum Physics · Physics 2008-10-14 Kim Fook Lee

Entangled photons play a pivotal role in the distribution of quantum information in quantum networks. However, the frequency bands for optimal transmission and storage of photons are not necessarily the same. Here we experimentally…

Quantum Physics · Physics 2012-02-07 Sven Ramelow , Alessandro Fedrizzi , Andreas Poppe , Nathan K. Langford , Anton Zeilinger

We demonstrate a coherent quantum measurement for the determination of the degree of polarization (DOP). This method allows to measure the DOP in the presence of fast polarization state fluctuations, difficult to achieve with the typically…

Quantum Physics · Physics 2009-11-10 M. Legre , M. Wegmuller , N. Gisin
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