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A multiwavelength fiber ring laser that is based on an S-band erbium-doped fiber amplifier (EDFA) and a semiconductor optical amplifier (SOA) is developed. An optical switch is used to switch the mult...
The relation between spontaneous and induced emission, and to some extend amplified spontaneous emission in an optical fiber, due to its very elongated active media shape (pencil-like shape) is diff...
We propose normal dispersion polarization-maintaining Erbium doped fibers (EDFs) for short pulse amplification reducing nonlinearity and optimizing chromatic dispersion simultaneously. Evaluations of ...
Experiments were made of the gamma-ray irradiation effect on the dynamic performance of erbium-doped fiber amplifiers (EDFAs). The frequency responses of EDFAs before and after irradiation are depen...
In this paper, the effect of spectral hole burning (SHB) on the feedforward control of an erbiumdoped fiber amplifier (EDFA) is investigated. A novel experimental setup allowing to verify a mathemati...
We demonstrate a stable and tunable single-longitudinal-mode SOA-EDF ring laser for high-speed data transmission systems. The laser is constructed by incorporating an SOA into the EDF ring cavity. T...
We demonstrate a stable 10GHz harmonically modelocked laser employing a 151cm-long bismuth-based highly nonlinear erbium-doped fiber and a bandwidth-variable tunable filter. The wavelength tuning rang...
We propose and demonstrate a stable single-longitudinal-mode lanthanum-codoped bismuth oxide-based erbium doped fiber ring laser. The combination of a free-space thin-film filter and a Lyot filter ena...
In this paper, we propose a multiwavelength erbium-doped fiber laser (MW-EDFL). The configuration of the MW-EDFL consists of several linear Fabry–Perot (FP) cavities and a master-oscillation-power-amp...
We demonstrate an actively modelocked laser employing a 151cm-long bismuth-based nonlinear erbium-doped fiber. Stable 10GHz pulses are obtained with an 87nm tuning range covering the CL-band.

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