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We report a versatile and practical approach for generating high-quality polarization entanglement in a fully guided-wave fashion. Our setup relies on a high-brilliance type-0 waveguide generator producing paired photon at a telecom…

Quantum Physics · Physics 2013-10-31 F. Kaiser , A. Issautier , L. A. Ngah , O. Alibart , A. Martin , S. Tanzilli

We present a source of polarization-entangled photon pairs suitable for the implementation of long-distance quantum communication protocols using quantum memories. Photon pairs with wavelengths 883 nm and 1338 nm are produced by coherently…

We demonstrate an optical-fiber based source of polarization entangled photon-pairs with improved quality and efficiency, which has been integrated with off-the-shelf telecom components and is, therefore, well suited for quantum…

Quantum Physics · Physics 2007-05-23 Xiaoying Li , Chuang Liang , Kim Fook Lee , Jun Chen , Paul L. Voss , Prem Kumar

We present a fiber based source of polarization-entangled photon pairs that is well suited for quantum communication applications in the 1550nm band of standard fiber-optic telecommunications. Polarization entanglement is created by pumping…

Quantum Physics · Physics 2009-11-10 Xiaoying Li , Paul L. Voss , Jay E. Sharping , Prem Kumar

We report the realisation of a fibred polarisation entangled photon-pair source at 1560 nm based on a type-II non linear interaction and working in the picosecond regime. By taking advantage of a set of filters, we deterministically…

Quantum Physics · Physics 2013-11-27 N. Bruno , E. Zambrini Cruzeiro , A. Martin , R. T. Thew

We present a source of polarization entangled photon pairs based on spontaneous parametric downconversion engineered for frequency uncorrelated telecom photon generation. Our source provides photon pairs that display, simultaneously, the…

We report the realization of a new polarization entangled photon-pair source based on a titanium-indiffused waveguide integrated on periodically poled lithium niobate pumped by a CW laser at $655 nm$. The paired photons are emitted at the…

Quantum Physics · Physics 2012-09-12 A. Martin , V. Cristofori , P. Aboussouan , H. Herrmann , W. Sohler , D. B. Ostrowsky , O. Alibart , S. Tanzilli

Spectrally correlated photon pairs can be used to improve performance of long range fiber based quantum communication protocols. We present a source based on spontaneous parametric down-conversion producing polarization entangled photons…

Optics · Physics 2014-03-28 Thomas Lutz , Piotr Kolenderski , Thomas Jennewein

We report the realization of a fiber coupled polarization entangled photon-pair source at 1310 nm based on a birefringent titanium in-diffused waveguide integrated on periodically poled lithium niobate. By taking advantage of a dedicated…

Quantum Physics · Physics 2012-01-10 A. Martin , A. Issautier , H. Herrmann , W. Sohler , D. B. Ostrowsky , O. Alibart , S. Tanzilli

We demonstrate a fiber-based source of polarization-entangled photon pairs at visible wavelengths suitable for integration with local quantum processing schemes. The photons are created through birefringent phase-matching in spontaneous…

Quantum Physics · Physics 2014-01-21 Bin Fang , Offir Cohen , Virginia Lorenz

A polarization entangled photon pair source is widely used in many quantum information processing applications such as teleportation, quantum swapping, quantum computation and high precision quantum metrology. Here, we report on the…

Quantum Physics · Physics 2023-07-19 Yan Li , Zhi-Yuan Zhou , Dong-Sheng Ding , Bao-Sen Shi

Photonic-based qubits and integrated photonic circuits have enabled demonstrations of quantum information processing (QIP) that promises to transform the way in which we compute and communicate. To that end, sources of…

We present a fiber-based source of polarization-entangled photon pairs that is well suited for quantum communication applications in the 1.5$\mu$m band of standard telecommunication fiber. Quantum-correlated signal and idler photon pairs…

Quantum Physics · Physics 2007-05-23 P. Kumar , X. Li , M. Fiorentino , P. L. Voss , J. E. Sharping , G. A. Barbosa

We present a proof-of-principle experimental demonstration of a reconfigurable entanglement distribution scheme utilizing a poled fiber-based source of broadband polarization-entangled photon pairs and dense wavelength-division…

Quantum Physics · Physics 2019-01-18 E. Y. Zhu , C. Corbari , A. V. Gladyshev , P. G. Kazansky , H. K. Lo , L. Qian

Single-photon sources based on semiconductor quantum dots find several applications in quantum information processing due to their high single-photon indistinguishability, on-demand generation, and low multiphoton emission. In this context,…

Photon entanglement is an important state of light that is at the basis of many protocols in photonic quantum technologies, from quantum computing, to simulation and sensing. The capability to generate entangled photons in integrated…

Entanglement is a key resource in quantum information science and associated emerging technologies. Photonic systems offer a large range of exploitable entanglement degrees of freedom such as frequency, time, polarization, and spatial…

We demonstrate a novel polarization-entangled photon-pair source based on standard birefringent polarization-maintaining optical fiber. The source consists of two stretches of fiber spliced together with perpendicular polarization axes, and…

A high-quality narrowband polarization-entangled source in the telecom band is preferred to avoid frequency dispersion for long-distance transmission in optical fibers and to efficiently couple with telecom band quantum memories. Here, we…

Quantum Physics · Physics 2024-03-01 Ming-Yuan Gao , Yin-Hai Li , Yan Li , Zhenghe Zhou , Guang-Can Guo , Zhi-Yuan Zhou , Bao-Sen Shi

We demonstrate a compact and stable source of polarization-entangled pairs of photons, one at 810 nm wavelength for high detection efficiency and the other at 1550 nm for long-distance fiber communication networks. Due to a novel…

Quantum Physics · Physics 2010-07-20 M. Hentschel , H. Hübel , A. Poppe , A. Zeilinger
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