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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 11 — Jun. 1, 2006
  • pp: 1651–1653

Imaging of Bloch oscillations in erbium-doped curved waveguide arrays

N. Chiodo, G. Della Valle, R. Osellame, S. Longhi, G. Cerullo, R. Ramponi, P. Laporta, and U. Morgner  »View Author Affiliations


Optics Letters, Vol. 31, Issue 11, pp. 1651-1653 (2006)
http://dx.doi.org/10.1364/OL.31.001651


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Abstract

We report a direct observation of Bloch-like dynamics of light in curved waveguide arrays manufactured in Er : Yb -doped phosphate glass by femtosecond laser writing. The green upconversion fluorescence emitted by excited erbium ions is exploited to image the flow of the guided pump light at 980 nm along the array. Direct and clear evidence of periodic light breathing for single-waveguide excitation, closely related to Bloch oscillations, is reported.

© 2006 Optical Society of America

OCIS Codes
(000.1600) General : Classical and quantum physics
(130.2790) Integrated optics : Guided waves
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Integrated Optics

History
Original Manuscript: December 12, 2005
Revised Manuscript: March 20, 2006
Manuscript Accepted: March 20, 2006

Citation
N. Chiodo, G. Della Valle, R. Osellame, S. Longhi, G. Cerullo, R. Ramponi, P. Laporta, and U. Morgner, "Imaging of Bloch oscillations in erbium-doped curved waveguide arrays," Opt. Lett. 31, 1651-1653 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-11-1651

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