Sum-frequency light generation in optical fibers
- 31 January 1980
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 5 (2), 48-50
- https://doi.org/10.1364/ol.5.000048
Abstract
The generation in an optical-fiber waveguide of a spectral continuum spanning 29000 cm−1 from the near infrared to the ultraviolet is reported. A Q-switched and mode-locked Nd:YAG laser is used to excite the fiber. An unexpected phenomenon is the generation of sum-frequency light derived from the pump frequency and the characteristic Raman Stokes frequencies of fused silica. This light is observed as visible light in cladding modes of the fiber.Keywords
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