| AlxGa1-xAs nested waveguide heterostructures for continuously phase-matched terahertz difference frequency generation. | |
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MedLine Citation:
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PMID: 20174063 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We previously demonstrated a nested pair of single mode (pump/THz) waveguides which produced guided far-infrared (1.3 THz) light with a record power-normalized conversion efficiency of 1.3x10(-7) W(-1) by way of continuous phase matched difference frequency generation (DFG) [Opt. Express 16, 13296 (2008)]. Using the same numerical simulation tools we used to design and model this LiNbO(3)-based device, we show that a lattice-matched AlGaAs heterostructure, with its significantly lower absorption losses, can produce guided far-infrared light (3.5 THz) with a power-normalized conversion efficiency of 1.3 x 10(-5) W(-1) - some 100 times larger than achieved with the LiNbO(3) structure. |
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Authors:
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C M Staus; T F Kuech; L McCaughan |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Optics express Volume: 18 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2010 Feb |
Date Detail:
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Created Date: 2010-02-22 Completed Date: 2010-06-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 2332-8 Citation Subset: - |
Affiliation:
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Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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