Imaging Bloch oscillations in curved waveguide arrays, fabricated by femtosecond laser writing in an erbium-doped glass substrate, is reported. The green fluorescence of erbium ions traces the flow of pump light along the array.
© 2006 Optical Society of America
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves
(350.0350) Other areas of optics : Other areas of optics
(350.3390) Other areas of optics : Laser materials processing
G. Della Valle, N. Chiodo, R. Osellame, S. Longhi, U. Morgner, R. Ramponi, P. Laporta, and G. Cerullo, "Observation of Bloch Oscillations in Erbium-Doped Curved Waveguide Arrays Written by a Femtosecond Laser," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CTuB3.
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