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Proceedings Paper

Two-color interferometry using a detuned frequency-doubling crystal
Author(s): Karl W. Koch; Gerald T. Moore
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Paper Abstract

Phase mismatch by angular detuning of a nonlinear crystal allows continuous variation of the intensity of second-harmonic light generated in the crystal, while maintaining a controlled phase relationship between the first and second harmonics. Interference of this second- harmonic light with second-harmonic light generated in another crystal further along the beam path has been measured, and can be understood by taking beam walk-off into account. When the second crystal is replaced by an optical fiber prepared for second-harmonic generation, the observed interference allows one to determine the phase of the (chi)(2) grating in the optical fiber. We find the phase to be 88 +/- 4 degree(s). This phase differs by 180 degree(s) from recently reported results.

Paper Details

Date Published: 30 December 1991
PDF: 8 pages
Proc. SPIE 1516, International Workshop on Photoinduced Self-Organization Effects in Optical Fiber, (30 December 1991); doi: 10.1117/12.51147
Show Author Affiliations
Karl W. Koch, Phillips Lab. (United States)
Gerald T. Moore, Phillips Lab. (United States)

Published in SPIE Proceedings Vol. 1516:
International Workshop on Photoinduced Self-Organization Effects in Optical Fiber
Francois Ouellette, Editor(s)

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