Abstract
Distributed feedback laser action of narrow line-width output was demonstrated in zirconia waveguides doped with trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium p-toluene sulfonate, a compound of strong two-photon up-converted emission near 620 nm. Single-beam pumping at 1.06 μm led to intense up-converted amplified spontaneous emission at 620 nm. Transient gratings for coherent scattering were generated in the waveguides by crossing two 1.06-μm beams. Narrow line-width distributed feedback laser emission was observed at 627 nm.
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42.55.Mv; 42.70.Jk; 42.79.Gn
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Ye, C., Wang, J. & Lo, D. Two-photon-pumped distributed feedback zirconia waveguide lasers. Appl Phys B 78, 539–541 (2004). https://doi.org/10.1007/s00340-004-1465-y
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DOI: https://doi.org/10.1007/s00340-004-1465-y