Frequency upconversion in Tm- and Yb:Tm-doped silica fibers

• Published in: Optics communications Vol. 78; no. 2; pp. 187 - 194
• Main Authors: Hanna, D.C., Percival, R.M., Perry, I.R., Smart, R.G., Townsend, J.E., Tropper, A.C.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 01.01.1990; Elsevier Science
• Subjects: Doped-insulator lasers and other solid state lasers; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Lasers; Optics; Physics; Silica fiber; Thulium; Laser pumping; Ytterbium; Non linear optics; Phonon; Fluorescence; Frequency conversion; Experimental study; Silica; Optical fiber; Solid state laser

Frequency upconversion has been observed and studied in Tm 3+-doped and Yb 3+-sensitized Tm 3+-doped silica fibers. In the singly doped fiber upconversion to the blue and UV has been observed under excitation in the red (660 nm) and infra-red (1.064 μm). In the co-doped fiber upconversion has also b...