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Opt Lett. 2008 May 1;33(9):956-8.

Directly written monolithic waveguide laser incorporating a distributed feedback waveguide-Bragg grating.

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  • 1Centre for Ultrahigh Bandwidth Devices for Optical Systems, MQ Photonics Research Centre, Department of Physics, Macquarie University, New South Wales 2109, Australia. graham@ics.mq.edu.au


We report the fabrication and performance of the first C-band directly written monolithic waveguide laser (WGL). The WGL device was created in an erbium- and ytterbium-doped phosphate glass host and consisted of an optical waveguide that included a distributed feedback Bragg grating structure. The femtosecond laser direct-write technique was used to create both the waveguide and the waveguide-Bragg grating simultaneously and in a single processing step. The waveguide laser was optically pumped at approximately 980 nm and lased at 1,537 nm with a bandwidth of less than 4 pm.

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