Critical behavior in the seeded preparation of germanosilicate fibers

N. M. LAWANDY; M. D. SELKER

International Quantum Electronics Conference
OSA Technical Digest (Optica Publishing Group, 1990),
paper QMC3

Critical behavior in the seeded preparation of germanosilicate fibers

N. M. LAWANDY and M. D. SELKER

International Quantum Electronics Conference 1990

Anaheim, California United States
21–25 May 1990
ISBN: 1-55752-145-X

From the session
Guided Wave Nonlinear Optics (QMC)

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N. M. LAWANDY and M. D. SELKER, "Critical behavior in the seeded preparation of germanosilicate fibers," in International Quantum Electronics Conference, A. Owyoung, C. Shank, S. Chu, and E. Ippen, eds., Vol. 8 of OSA Technical Digest (Optica Publishing Group, 1990), paper QMC3.

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Abstract

A recent model for a light-induced phase transition in amorphous transparent materials has predicted that an insulator—metal transition can occur at intensities of the order of 10 GW/cm².^1,2 Based on the large number of reports in the literature on fiber second harmonic generation (SHG), which find that fibers could not be conditioned with pulses having peak powers below ~50G W (~5 GW /cm²), we have experimentally investigated the IR threshold behavior.

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