A Tunable and Switchable Multi-Wavelength Erbium-Doped Fiber Ring Laser Enabled by Adjusting the Spectral Fringe Visibility of a Mach-Zehnder Fiber Interferometer
Source abstract
Abstract
This paper presents a tunable, switchable multi-wavelength emission from an erbium-doped fiber ring laser, enabled by adjusting the spectral fringe visibility of a fiber interferometer filter. The filter is formed with specially designed concatenated tapered fibers to configure a Mach-Zehnder fiber interferometer (MZFI). The laser emission is highly flexible and reconfigurable, allowing for tuning between single- and dual-wavelength operation. The laser can switch sequentially from one up to six wavelengths by fixing the curvature and adjusting the polarization state. The lasing emission is generated over a stable wavelength range between 1559.59 nm and 1563.54 nm, exhibiting an optical signal-to-noise ratio (OSNR) exceeding ~35 dB. The performance of amplitude and wavelength fluctuations were evaluated, indicating an appropriate stability of ~3 dB and a shift less than 0.1 nm within a 45 min period at room temperature. A detailed comparison with the literature is given.
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Research context
OpenAlex topics: Advanced Fiber Optic Sensors · Advanced Fiber Laser Technologies · Photonic and Optical Devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Tecnológico Nacional de México/IT de Zacatepec, Calzada Tecnológico 27, Centro, Zacatepec de Hidalgo 62780, Morelos, Mexico
Centro de Investigaciones en Óptica, A.C., León 37150, Guanajuato, Mexico
Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Optomechatronic and Photonics Group, Postgraduate Department, Tuxtla Gutiérrez 29050, Chiapas, Mexico
Centro de Investigación en Ingeniería y Ciencias Aplicadas (CIICAp), Universidad Autónoma del Estado de Morelos (UAEM), Cuernavaca 62209, Morelos, Mexico
Funding
Consejo Nacional de Humanidades, Ciencias y Tecnologías (CONAHCYT) in Mexico
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