NDLI: Optical mixing in thin YBa/sub 2/Cu/sub 3/O/sub 7-x/ films

Content Provider	IEEE Xplore Digital Library
Author	Zorin, M. Gol'tsman, G.N. Karasik, B.S. Elantev, A.I. Gershenzon, E.M. Lindgren, M. Danerud, M. Winkler, D.
Copyright Year	2002
Abstract	High quality, j/sub c/ (77 K)>10/sup 6/ A/cm/sup 2/, epitaxial YBa/sub 2/Cu/sub 3/O/sub 7-x/ films of 50 nm thickness were patterned into ten parallel 1 /spl mu/m wide strips. The film structure was coupled to a single-mode fiber. Mixer response was obtained at 0.78 /spl mu/m using laser frequency modulation and an optical delay line. Using two semiconductor lasers at 1.55 /spl mu/m wavelength the beating signal was used to measure the photoresponse up to 18 GHz. Nonequilibrium photoresponse in the resistive state of the superconductor was observed. Bolometric response dominates up to 3 GHz, after which the nonequilibrium response is constant up to the frequency limit of our registration system. Using an electron heating model the influence of different thermal processes on the conversion loss has been analyzed. Ways of increasing the sensitivity are also discussed.<>
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	2431
Ending Page	2434
Page Count	4
File Size	416509
File Format	PDF
ISSN	10518223
Volume Number	5
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical mixing Optical films Semiconductor films Fiber lasers Semiconductor lasers Strips Frequency modulation Optical modulation Optical sensors Delay lines
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Epitaxial YBa/sub 2/Cu/sub 3/O/sub 7/(7-x) thin films on CeO/sub 2/ buffered sapphire for optical mixers

YBa/sub 2/Cu/sub 3/O/sub 7- delta //LaAlO/sub 3//YBa/sub 2/Cu/sub 3/O/sub 7- delta / trilayer transmission lines for measuring the superconducting penetration depth

YBa/sub 2/Cu/sub 3/O/sub x/-microstructures on semiconductor substrates

Superconductivity of YBa/sub 2/Cu/sub 3/O/sub 7//PrBa/sub 2/Cu/sub 3/O/sub 7/-superlattices

Laser patterning of YBa/sub 2/Cu/sub 3/O/sub x/ thin films protected by in-situ grown SrTiO/sub 3/ cap layer

Properties of epitaxially grown A-axis oriented YBa/sub 2/Cu/sub 3/O/sub 7-x/-PrBa/sub 2/Cu/sub 3/O/sub 7-y/ heterostructures

Microstructural characterization of YBa/sub 2/Cu/sub 3/O/sub 7- delta / thin films on SrTiO/sub 3/ using four-axis X-ray diffraction

Vertical c-axis microbridge junctions in YBa/sub 2/Cu/sub 3/O/sub 7//PrBa/sub 2/Cu/sub 3/O/sub 7/ thin films

Transmission and reflection of superconducting YBa/sub 2/Cu/sub 3/O/sub 7-x/ films at 35 GHz

Optical mixing in thin YBa/sub 2/Cu/sub 3/O/sub 7-x/ films

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