Eight-Wavelength Selectable Single-Longitudinal- Mode Fiber Laser Using 1× 8 Arrayed Waveguide Grating and Passive Triple Subring Resonators

Eight-Wavelength Selectable Single-Longitudinal- Mode Fiber Laser Using 1× 8 Arrayed Waveguide Grating and Passive Triple Subring Resonators

In this paper, we demonstrate a stable output single-longitudinal-mode (SLM) Erbium-doped fiber laser (EDFL) with eight selectable wavelengths. The EDFL achieves wavelength selection through a 1 × 8 arrayed waveguide grating (AWG) and generates SLM output using the passive triple subring...

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Bibliographic Details
Main Authors: Zi Wang, Jun-Kai Wei, Pin-Chen Chen, Shien-Kuei Liaw, Jem-Kun Chen, Chien-Hung Yeh
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Photonics Journal
Subjects:
Erbium-doped fiber laser
passive triple subring resonator (PTSR)
arrayed waveguide grating (AWG)
single-longitudinal-mode (SLM)
eight-wavelength selectable fiber laser
Online Access:https://ieeexplore.ieee.org/document/10643663/
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Summary:In this paper, we demonstrate a stable output single-longitudinal-mode (SLM) Erbium-doped fiber laser (EDFL) with eight selectable wavelengths. The EDFL achieves wavelength selection through a 1 × 8 arrayed waveguide grating (AWG) and generates SLM output using the passive triple subring resonator (PTSR) architecture. In the experimental measurements, we separately measured the wavelength, power, and optical signal-to-noise ratio (OSNR) for all eight channels. The experimental results show a wavelength spacing of approximately 0.8 nm, with OSNRs around 60 dB and powers around 2.5 dBm for each channel. The power and OSNR for all eight wavelengths show very little variation. Finally, we measured that the laser outputs are all SLM, and the measured linewidths are all less than 2.5 kHz.
ISSN:1943-0655

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