Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription

Yuwen Duan; Peter Dekker; Esa Jaatinen; Scott Foster; Martin Ams; M. J. Steel; Michael J. Withford

doi:10.1109/LPT.2014.2359467

Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription

Yuwen Duan^*, Peter Dekker, Esa Jaatinen, Scott Foster, Martin Ams, M. J. Steel, Michael J. Withford

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

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.

Original language	English
Article number	2359467
Pages (from-to)	2499-2502
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	26
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2014.2359467
Publication status	Published - 15 Dec 2014

Keywords

Lasers
fabrication and characterization
waveguides

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10.1109/LPT.2014.2359467

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title = "Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription",

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.",

keywords = "Lasers, fabrication and characterization, waveguides",

author = "Yuwen Duan and Peter Dekker and Esa Jaatinen and Scott Foster and Martin Ams and Steel, {M. J.} and Withford, {Michael J.}",

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AU - Duan, Yuwen

AU - Dekker, Peter

AU - Jaatinen, Esa

AU - Foster, Scott

AU - Ams, Martin

AU - Steel, M. J.

AU - Withford, Michael J.

PY - 2014/12/15

Y1 - 2014/12/15

N2 - 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.

AB - 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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Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscription

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