Dual wavelength single longitudinal mode Ytterbium-doped fiber laser using a dual-tapered Mach-Zehnder interferometer | Zendy

H. Ahmad | Zendy; Muhammad Salim | Zendy; Saaidal Razalli Azzuhri | Zendy; M.Z. Zulkifli | Zendy; Sulaiman Wadi Harun | Zendy

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Dual wavelength single longitudinal mode Ytterbium-doped fiber laser using a dual-tapered Mach-Zehnder interferometer

Author(s) -

H. Ahmad,

Muhammad Salim,

Saaidal Razalli Azzuhri,

M.Z. Zulkifli,

Sulaiman Wadi Harun

Publication year - 2015

Publication title -

journal of the european optical society rapid publications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.357

H-Index - 33

ISSN - 1990-2573

DOI - 10.2971/jeos.2015.15013

Subject(s) - optics , interferometry , materials science , laser linewidth , fiber laser , mach–zehnder interferometer , laser , lasing threshold , longitudinal mode , wavelength , ytterbium , single mode optical fiber , optoelectronics , physics

This paper describes a dual wavelength single longitudinal mode (SLM) demonstration for a proposed ytterbium-doped fiber laser. A dualtapered Mach-Zehnder interferometer (MZI) was inserted into the laser ring cavity setup to ensure a stable dual wavelength and SLM operation. The consequent dual wavelength lasing operation had a wavelength spacing of 0.94 nm and a side mode suppression ratio (SMSR) of 50 dB, with the linewidth of this setup measured as 294.15 kHz. A stability test allowed for a measurement of max power fluctuation as less than 0.8 dB for each wavelength and which was indicative of a stable dual wavelength operation.

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