Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription

Duan, Yuwen, Dekker, Peter, Jaatinen, Esa, Foster, Scott, Ams, Martin, Steel, M. J., & Withford, Michael J. (2014) Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription. IEEE Photonics Technology Letters, 26(24), pp. 2499-2502.

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Abstract

Linewidth measurement of a femtosecond laser direct-written distributed feedback (DFB) waveguide laser (WGL) is reported. The WGL was fabricated in Yb-doped phosphate glass using the femtosecond laser direct-write technique. The linewidth was measured using a loss-compensated recirculating delayed self-heterodyne interferometer. By recirculating the output signal in a 10.2-km fiber delay loop, the linewidth was measured to be 35.4±1.4 kHz at a delay time of 306 μs , which is comparable with that of narrow-linewidth fiber DFB lasers.

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ID Code: 88543
Item Type: Journal Article
Refereed: Yes
DOI: 10.1109/LPT.2014.2359467
ISSN: 1041-1135
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 27 Oct 2015 01:35
Last Modified: 27 Oct 2015 01:35

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