NDLI: Picosecond pulse-width ultra-low repetition rate passive mode-locked fibre ring laser

Content Provider	IET Digital Library
Author	Correia, M. M. Tovar, P. Calliari, F. Amaral, G. C. Weid, J. P. von der
Abstract	The authors experimentally demonstrate an ultra-low repetition rate passive mode-locked fibre ring laser with a semiconductor optical amplifier works like as a gain medium and non-linear polarisation rotation. A unidirectional erbium-doped fibre amplifier provides additional gain to increase cavity power. By exploiting non-linear polarisation rotation combined with dispersion management stable 5.18 ps optical pulses with 67.2 kHz repetition rate and energy of 1.75 nJ were generated with an extinction ratio >35 dB. The central wavelength is 1557.89 nm and the optical 3-dB bandwidth 1.82 nm very appropriate for optical applications that often require high-peak-power, low repetition rate and picosecond pulses.
Starting Page	947
Ending Page	948
Page Count	2
ISSN	00135194
Volume Number	56
e-ISSN	1350911X
Issue Number	Issue 18, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/56/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2020.0803
Journal	Electronics Letters
Publisher Date	2020-07-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cavity Power Design of Specific Laser System Dispersion And Attenuation in Fibres Dispersion Management Stable 5.18 Ps Optical Pulses Energy 1.75 NJ Erbium Extinction Ratio Fibre Lasers And Amplifier Fibre Optical Property Fibre Optics Frequency 67.2 KHz Gain Medium Laser Beam Modulation Laser Cavity Resonator Laser Mode Locking Laser Resonator And Cavities Laser Stability Lasing Action in SemiConductor Mode Locking And Tuning Nonlinear Polarisation Rotation Optical Fibre Amplifiers Optical Fibre Dispersion Optical Fibre Polarisation Optical Propagation Optical Pulse Generation Picosecond Pulse-width Ultralow Repetition Rate Passive Mode-locked Fibre Ring Laser Pulsing And Switching Repetition Rate Ring Lasers Semiconductor Laser Semiconductor Optical Amplifier Semiconductor Optical Amplifiers Time 5.18 Ps Ultrafast Optical Technique Unidirectional Erbium-doped Fibre Amplifier Wavelength 1557.89 Nm
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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