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Topic Area: Quantum Optics

Displaying records 41 to 50 of 61 records.
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41. Designing high electron mobility transistor heterostructures with quantum dots for efficient, number-resolving photon detection
Topic: Quantum Optics
Published: 5/1/2008
Authors: Mary A. Rowe, Eric Gansen, M. Greene, Danna Rosenberg, Todd E Harvey, Mark Su, Robert Hadfield, Sae Woo Nam, Richard P Mirin
Abstract: We describe the design of the epitaxial layers for an efficient, photon-number-determining detector that utilizes a layer of self-assembled quantum dots as an optically addressable gate in a field-effect transistor. Our design features a dedicated ab ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=32807

42. Experimental Test of Non-Local Realism Using a Fiber-Based Source of Polarization-Entangled Photon Pairs
Topic: Quantum Optics
Published: 3/25/2008
Authors: Jingyun Fan, M D. Eisaman, Elizabeth Anne Goldschmidt, J Chen, Alan L Migdall
Abstract: We describe an experimental test of local realistic and non-local realistic theories using polarization-entangled two-photon singlet states created using a fiber-based polarization Sagnac interferometer. We show a violation of Bell s inequality in th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841112

43. Quantum state tomography of a fiber-based source of polarization-entangled photon pairs
Topic: Quantum Optics
Published: 12/20/2007
Authors: Jingyun Fan, M D. Eisaman, Alan L Migdall
Abstract: We report an experimental demonstration of a bright highfidelity single-mode-optical-fiber source of polarization-entangled photon pairs. The source takes advantage of single-mode fiber optics, highly nonlinear microstructure fiber, judicious phas ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841096

44. An Optical Fiber-Based Source of Polarization-Entangled Photon Pairs
Topic: Quantum Optics
Published: 9/10/2007
Authors: Jingyun Fan, M D. Eisaman, Alan L Migdall
Abstract: We describe an achromatic, phase-stable, broadband source of polarization-entangled photon pairs with high spectral brightness that uses four-wave mixing in a fiber Sagnac interferometer. We achieved a polarization-entangled two-photon coincidence r ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841095

45. A Broadband High Spectral Brightness Fiber-Based Two-Photon Source
Topic: Quantum Optics
Published: 3/19/2007
Authors: Jingyun Fan, Alan L Migdall
Abstract: After characterizing the Raman scattering in a fused silica polarization-maintaining microstructure optical fiber, we built a fiber-based two-photon light source of high spectral brightness, broad spectral range, and very low noise background at room ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841058

46. Introduction to Journal of Modern Optics Special Issue on Single Photon: Sources, Detectors, Applications and Measurement Methods
Topic: Quantum Optics
Published: 1/20/2007
Authors: J Cheung, Alan L Migdall, Stefania Castelletto
Abstract: In October 2005, a 2-day follow up workshop, Single photon: sources, detectors, applications and measurement methods, was held at the NPL (National Physical Laboratory, UK). The focus for this workshop was to report on the key developments since the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841035

47. Reduced Deadtime and Higher Rate Photon-Counting Detection Using a Multiplexed Detector Array
Topic: Quantum Optics
Published: 1/20/2007
Authors: Stefania Castelletto, Ivo Pietro Degiovanni, V Schettini, Alan L Migdall
Abstract: We present a scheme for a photon-counting detection system that can be operated at incident photon rates higher than otherwise possible by suppressing the effects of detector deadtime. The method uses an array of N detectors and a 1-by-N optical swit ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840994

48. Achieving Higher Photon Counting Rates Using Multiplexed Detectors
Topic: Quantum Optics
Published: 8/13/2006
Authors: Stefania Castelletto, Ivo Pietro Degiovanni, Alan L Migdall, Sergey V Polyakov, V Schettini
Abstract: As the quantum information field advances, the need for improved single-photon devices is becoming more critical. Quantum information systems are often limited by detector deadtime to count rates of a few MHz, at best. We present a multiplexed detect ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841037

49. Optimizing Single-Photon Source Heralding Efficiency and Detection Efficiency Metrology at 1550 nm Using Periodically Poled Lithium Niobate
Topic: Quantum Optics
Published: 3/23/2006
Authors: Stefania Castelletto, Ivo Pietro Degiovanni, V Schettini, Alan L Migdall
Abstract: We explore the feasibility of using high-efficiency periodically-poled crystals to produce photon pairs for photon-counting detector calibrations at 1550 nm. The goal is the development of an appropriate PDC source at telecom wavelengths meeting the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840980

50. Efficient Generation of Correlated Photon Pairs in a Microstructure Fiber
Topic: Quantum Optics
Published: 12/15/2005
Authors: Jingyun Fan, Alan L Migdall, L Wang
Abstract: We report efficient generation of correlated photon pairs through degenerate four-wave mixing in microstructure fibers. With 735.7 nm pump pulses producing conjugate signal (688.5 nm) and idler (789.8 nm) photons in an 1.8 m microstructure fiber, we ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840962