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Proceedings Paper

Characterization of lithium niobate electro-optic modulators at cryogenic temperatures
Author(s): Jeffrey D. Morse; Kent George McCammon; Charles F. McConaghy; Don A. Masquelier; Henry E. Garrett; Mark E. Lowry
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Paper Abstract

This paper reports on the operation of lithium niobate electro-optic waveguide modulators at temperatures down to 15 degree(s)K. Commercial and laboratory fiber pigtailed devices have successfully been cooled without any increases in insertion loss from temperature induced stresses in device packaging. Three x-cut devices exhibited a linear increase in Vpi voltage of 8% +/- 1% when cooled from room temperature to approximately 20 degree(s)K. The broadband frequency response improved at lower temperatures. A velocity-matched experimental modulator has shown increased bandwidth when cooled to liquid nitrogen temperature.

Paper Details

Date Published: 2 May 1994
PDF: 9 pages
Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); doi: 10.1117/12.175011
Show Author Affiliations
Jeffrey D. Morse, Lawrence Livermore National Lab. (United States)
Kent George McCammon, Lawrence Livermore National Lab. (United States)
Charles F. McConaghy, Lawrence Livermore National Lab. (United States)
Don A. Masquelier, Lawrence Livermore National Lab. (United States)
Henry E. Garrett, Lawrence Livermore National Lab. (United States)
Mark E. Lowry, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 2150:
Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits
Mario Nicola Armenise, Editor(s)

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