Results 31 to 40 of about 326 (131)

Stable Single-Longitudinal-Mode Erbium Fiber Ring Laser Utilizing Self-Injection and Saturable Absorber

open access: yesIEEE Photonics Journal, 2017
In this work, we demonstrate a wavelength-tunable erbium-doped fiber (EDF) ring laser with stable single-longitudinal-mode (SLM) output. Here using the self-injection method and unpumped EDF-based saturable absorber can suppress other densely side-mode ...
Chien-Hung Yeh   +4 more
doaj   +1 more source

Feedback-Injected Erbium Fiber Laser With Selectable Tunability and Constant Single-Longitudinal-Mode Characteristic

open access: yesIEEE Access, 2020
In this investigation, a wavelength-selected single-longitudinal-mode (SLM) erbium-doped fiber (EDF) ring laser utilizing C-band EDF based gain medium over a tuning bandwidth of 1524.0 to 1573.0 nm is demonstrated experimentally.
Chien-Hung Yeh   +4 more
doaj   +1 more source

Strong Linewidth Reduction by Compact Brillouin/Erbium Fiber Laser

open access: yesIEEE Photonics Journal, 2014
We demonstrate the strong linewidth reduction by a compact Brillouin/erbium fiber laser (BEFL), in which 4-m erbium-doped fiber (EDF) acts as both the Brillouin and linear gain media.
Mo Chen   +3 more
doaj   +1 more source

Open Cavity Controllable Dual-Wavelength Hybrid Raman-Erbium Random Fiber Laser

open access: yesIEEE Photonics Journal, 2019
This investigation demonstrates a simple open-ended controllable dual-wavelength random fiber laser based on hybrid amplification of the Raman and erbium-doped fiber (EDF).
Nadiah Husseini Zainol Abidin   +4 more
doaj   +1 more source

150-Channel Four Wave Mixing Based Multiwavelength Brillouin-Erbium Doped Fiber Laser

open access: yesIEEE Photonics Journal, 2013
A wide band tunable multiwavelength Brillouin-erbium fiber laser (BEFL) is developed. In this structure, the laser is formed between a double pass amplification box and a highly nonlinear fiber (HNLF), which acts as a virtual mirror, results in removing ...
A. W. Al-Alimi   +5 more
doaj   +1 more source

A Selectable Single-Mode Erbium Laser With Power-Flattened Output Employing Dual-Sagnac-Ring

open access: yesIEEE Access, 2019
To achieve wavelength-selectable and stable erbium-doped fiber (EDF) laser, a dual-Sagnac-ring configuration is designed to reach single-longitudinal-mode (SLM) oscillation and power-flattened output simultaneously.
Chien Hung Yeh   +5 more
doaj   +1 more source

Half-linear cavity multiwavelength Brillouin-erbium fiber laser [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2014
Multiwavelength half-linear cavity Brillouin erbium fiber laser (BEFL) has been demonstrated. The half-linear cavity BEFL is formed by utilizing only two circulators: one circulator acts as input and output ports and the other circulator is used to form ...
Al-Alimi A.W., Yaacob M. H., Abas A. F.
doaj   +1 more source

A MHz−Level Swept Source by Time Stretching the Shot−Noise Limited Supercontinuum Based on a Mode−Locked Laser and the Application in Optical Coherence Tomography

open access: yesLaser &Photonics Reviews, Volume 19, Issue 22, November 19, 2025.
This work pioneers a 5.7 MHz all−fiber mode−locked laser−based broadband swept−source OCT system, achieving record−breaking performance: 11.4 µm axial resolution and 119 mm detection range. The system demonstrates exceptional coherence and stability, overcoming traditional trade−off between imaging speed and detection range.
Laiyang Dang   +7 more
wiley   +1 more source

Large Energy Q-Switched Fiber Laser With Black Phosphorus Saturable Absorber Fabricated by Sol−Gel Technique

open access: yesIEEE Photonics Journal, 2023
Black phosphorus (BP) has attracted extensive attention due to its unique optical and electrical properties. However, BP is easily oxidized in the air, which significantly limits its application.
Zhendong Chen   +5 more
doaj   +1 more source

Compact Bi-EDF-Based Brillouin Erbium Fiber Laser Operating at the 1560-nm Region

open access: yesIEEE Photonics Journal, 2009
A single-frequency Brillouin erbium fiber laser (BEFL) is demonstrated operating at the 1560-nm region using a simple ring resonator with a very short piece of bismuth-based erbium-doped fiber (Bi-EDF) for the first time.
S. W. Harun   +3 more
doaj   +1 more source

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