Highly stable graphene-assisted tunable dual-wavelength erbium-doped fiber laser

A highly stable tunable dual-wavelength fiber laser (TDWFL) using graphene as a means to generate a highly stable output is proposed and generated. The TDWFL comprises a 1 m long, highly doped erbium-doped fiber (EDF) acting as the linear gain medium, with a 24-channel arrayed waveguide grating acti...

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Bibliographic Details
Published in:Applied optics (2004) 2013-02, Vol.52 (4), p.818-823
Main Authors: Ahmad, Harith, Latif, Amirah Abdul, Abdul Khudus, Muhammad Imran Mustafa, Zulkifli, Ahmad Zarif, Zulkifli, Mohd Zamani, Thambiratnam, Kavintheran, Harun, Sulaiman Wadi
Format: Article
Language:English
Subjects:
Diffraction gratings
Fiber lasers
Gain
Graphene
Laser cavities
Retarding
Tuning
Wavelengths
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Summary:A highly stable tunable dual-wavelength fiber laser (TDWFL) using graphene as a means to generate a highly stable output is proposed and generated. The TDWFL comprises a 1 m long, highly doped erbium-doped fiber (EDF) acting as the linear gain medium, with a 24-channel arrayed waveguide grating acting as a wavelength slicer as well as a tuning mechanism to generate different wavelength pairs. The tuned wavelength pairs can range from 0.8 to 18.2 nm. A few layers of graphene are incorporated into the laser cavity to induce the four-wave-mixing effect, which stabilizes the dual-wavelength output by suppressing the mode competition that arises as a result of homogenous broadening in the EDF.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.52.000818