Optical waveguide amplifier in Nd-doped glass writtenwith near-IR femtosecond laser pulses
- 3 February 2000
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 36 (3) , 226-227
- https://doi.org/10.1049/el:20000172
Abstract
A near-IR (775 nm) femtosecond laser has been used to directly write a 1 cm long optical waveguide in Nd-doped silicate glass. A gain of 1.5 dB/cm was obtained at a signal wavelength of 1054 nm for ~346 mW of 514 nm pump power, in front of the input coupling objective.Keywords
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