A 1.65 µm region external cavity laser diode using an InP gain chip and a fibre Bragg grating

F. Chen; J. Hodgkinson; S. Staines; S. James; R. Tatam

doi:10.1117/12.975302

17 October 2012 A 1.65 µm region external cavity laser diode using an InP gain chip and a fibre Bragg grating

F. Chen, J. Hodgkinson, S. Staines, S. James, R. Tatam

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84215F (2012) https://doi.org/10.1117/12.975302
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We present the construction of an external cavity laser (ECL) diode using an InP semiconductor gain chip and a fibre Bragg grating (FBG), designed to have an emission wavelength that coincides with an absorption line of methane, to be used for spectroscopic gas sensing. The FBG was employed as a wavelength selective and feedback element, which will potentially provide the laser with wavelength tuning capability. Narrow linewidth lasing output of less than 5 MHz was achieved. To our knowledge, this is the first FBG based ECL in the 1.65 µm region.

Citation Download Citation

F. Chen, J. Hodgkinson, S. Staines, S. James, and R. Tatam "A 1.65 µm region external cavity laser diode using an InP gain chip and a fibre Bragg grating", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84215F (17 October 2012); https://doi.org/10.1117/12.975302

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