4.3 Article

Optical waveguide amplifier in Nd-doped glass written with near-IR femtosecond laser pulses

Journal

ELECTRONICS LETTERS
Volume 36, Issue 3, Pages 226-227

Publisher

IEE-INST ELEC ENG
DOI: 10.1049/el:20000172

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A near-IR (775nm) femtosecond laser has been used to directly write a 1cm long optical waveguide in Nd-doped silicate glass. A gain of 1.5dB/cm was obtained at a signal wavelength of 1054nm for similar to 346mW of 514nm pump power. in front of the input coupling objective.

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