Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 20, Issue 1-4, Pages 126-128Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2007.912538
Keywords
laser materials-processing applications; optical waveguides; ultrafast optics
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We demonstrate laser action from a waveguide fabricated in an Er : Yb-doped silicate glass using femtosecond laser inscription. Waveguides were fabricated using a diode-pumped Yb : glass oscillator at a 600-kHz repetition rate. The multiscan technique was used to control the waveguide cross section. Textbook threshold characteristics are observed for both 980 nm and dual-wavelength excitation.
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