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Optical Engineering

Low-threshold phase conjugate mirrors based on position-insensitive tapered waveguides
Author(s): Pinchas Shalev; Steven M. Jackel; Raphael Lallouz; Aharon Bornstein
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Paper Abstract

The potential for substantial threshold reduction in stimulated Brillouin scatter phase conjugate mirrors (PCMs) was systematically studied using tapered hollow glass waveguides filled with carbon disulfide. Using a low-threshold PCM of 100 cm straight section length and 10 μm inner diameter, the threshold was reduced by a factor of 1000 compared to the bulk liquid threshold. Use of a tapered input alleviated alignment sensitivity normally encountered with small-input-diameter fibers, and allowed for the fabrication of wide-field-of-view PCMs (and Brillouin amplifiers) of a type useful in many applications. Performance of the low-threshold PCM was found to meet theoretical expectations.

Paper Details

Date Published: 1 January 1994
PDF: 7 pages
Opt. Eng. 33(1) doi: 10.1117/12.149131
Published in: Optical Engineering Volume 33, Issue 1
Show Author Affiliations
Pinchas Shalev, Soreq Nuclear Research Center (Israel)
Steven M. Jackel, Soreq Nuclear Research Ctr. (Israel)
Raphael Lallouz, Soreq Nuclear Research Ctr. (Israel)
Aharon Bornstein, Soreq Nuclear Research Center (Israel)

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