期刊
JOURNAL OF LUMINESCENCE
卷 131, 期 3, 页码 353-361出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2010.12.015
关键词
Rare-earth-doped solids; Single photon storage; Quantum information science; Optical coherence; Laser stabilization; Spectral filtering
类别
资金
- Air Force Office of Scientific Research [F49620-97-1-0411, F49620-98-1-0171, F49620-00-1-0314]
- National Science Foundation [0903937-WR121]
- University of San Francisco
Realization of practical quantum memory and optical signal processing systems critically depends on suitable materials that offer specific combinations of properties. Solid-state materials such as rare-earth ions doped into dielectric crystals are one of the most promising candidates for several quantum information storage protocols, including quantum storage of single photons. This article provides an overview of rare-earth-doped material properties and summarizes some of the most promising materials studied in our laboratory and by other groups for applications in quantum information storage and for ultra-wide bandwidth signal processing. Understanding and controlling spectral diffusion in these materials, which ultimately limits the achievable performance of any quantum memory system, is also briefly reviewed. Applications in quantum information impose stringent requirements on laser phase and frequency stability, and employing a narrow spectral hole in the inhomogeneous absorption profile in these materials as a frequency reference can dramatically improve laser stability. We review our work on laser frequency and phase stabilization and report our recent results on using a narrow spectral hole as a passive dynamic spectral filter for laser phase noise suppression, which can dramatically narrow the laser linewidth with or without the requirement of active feedback. (C) 2010 Elsevier B.V. All rights reserved.
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