Low noise planar external cavity laser for interferometric fiber optic sensors

Lew Stolpner; Sanggeon Lee; Steve Li; Axel Mehnert; Peter Mols; Sabeur Siala; Jeff Bush

doi:10.1117/12.786226

16 May 2008 Low noise planar external cavity laser for interferometric fiber optic sensors

Lew Stolpner, Sanggeon Lee, Steve Li, Axel Mehnert, Peter Mols, Sabeur Siala, Jeff Bush

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 700457 (2008) https://doi.org/10.1117/12.786226
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

A 1550 nm DWDM planar external cavity laser is demonstrated to provide low phase / frequency noise and narrow linewidth. The cavity includes a semiconductor gain chip and a planar lightwave circuit waveguide with Bragg grating, packaged in a 14-pin butterfly package. The laser shows linewidth < 30 kHz and phase/frequency noise comparable with that of long cavity fiber lasers. Performance is suitable for various fiber optic sensing systems, including interferometric sensing in Oil and Gas, military/security and other applications, currently served mostly by costly and less reliable laser sources.

Citation Download Citation

Lew Stolpner, Sanggeon Lee, Steve Li, Axel Mehnert, Peter Mols, Sabeur Siala, and Jeff Bush "Low noise planar external cavity laser for interferometric fiber optic sensors", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 700457 (16 May 2008); https://doi.org/10.1117/12.786226

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