期刊
OPTICS EXPRESS
卷 20, 期 17, 页码 19484-19492出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.019484
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资金
- National Science Foundation [DMR-1006663, OISE-0968405]
- Office Of The Director
- Office Of Internatl Science &Engineering [968405] Funding Source: National Science Foundation
We report on a giant Faraday effect in an electron plasma in n-InSb probed via polarization-resolved terahertz (THz) time-domain spectroscopy. Polarization rotation angles and ellipticities reach as large as pi/2 and 1, respectively, over a wide frequency range (0.3-2.5 THz) at magnetic fields of a few Tesla. The experimental results together with theoretical simulations show its promising ability to construct broadband and tunable THz polarization optics, such as a circular polarizer, half-wave plate, and polarization modulators. (C) 2012 Optical Society of America
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