E-LAS – a low-noise narrowband C-band laser with external resonant cavity

A. V. Reznikov; Резников А. В.; S. P. Nikitin; Никитин С. П.; O. E. Nanii; Наний О. Е.; G. Yu. Ivanov; Иванов Г. Ю.; E. A. Fomiryakov; Фомиряков Э. А.; A. Yu. Danilov; Данилов А. Ю.; D. R. Kharasov; Харасов Д. Р.; Yu. M. Sokolov; Соколов Ю. М.; V. N. Treshchikov; Трещиков В. Н.

doi:10.22184/1993-7296.FRos.2025.19.7.558.563

E-LAS – a low-noise narrowband C-band laser with external resonant cavity

Authors: Reznikov A.V.¹, Nikitin S.P.¹, Nanii O.E.¹, Ivanov G.Y.¹, Fomiryakov E.A.¹, Danilov A.Y.¹, Kharasov D.R.¹, Sokolov Y.M.¹, Treshchikov V.N.¹
Affiliations:
1. T8 LLC
Issue: Vol 19, No 7 (2025)
Pages: 558-563
Section: Lasers & Laser Systems
URL: https://journals.eco-vector.com/1993-7296/article/view/698547
DOI: https://doi.org/10.22184/1993-7296.FRos.2025.19.7.558.563
ID: 698547

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Abstract

A narrow-band laser is a key component in the structure of the distributed sensors and security systems based on them, as well as in the coherent fiber-optic measurement systems (FOMS). Due to the highly coherent pulses of a narrow-band laser that provide a high-contrast interference pattern in the reflected signal, unique sensitivity of the optical fiber to the external influences is achieved. A narrow-band semiconductor laser has been successfully commercialized in Russia. This highly stable compact laser has many potential applications in the field of sensors, LIDAR systems, acoustic and seismic sensors, and radio-photonic devices.

Keywords

fiber-optic communication lines (FOCL), fiber-optic measurement systems (FOMS), coherent optical time domain reflectometer (COTDR), narrow-band laser, instantaneous spectral linewidth

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References

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