Title :
A widely tunable narrow linewidth semiconductor fiber ring laser
Author :
Deyu Zhou ; Prucnal, P.R. ; Glesk, I.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., NJ, USA
fDate :
6/1/1998 12:00:00 AM
Abstract :
We have demonstrated a novel approach to obtain a 0.1-nm line width laser with 38-dB sidemode suppression by utilizing a 1.3-μm semiconductor optical amplifier in a fiber unidirectional ring that consists of a linear polarizer and polarization controllers. The laser has a low-threshold current of 22.5 mA as well as a wide tuning range of 28 nm. The new approach is applicable to the 1.55-μm region as well. It is expected that nanosecond wavelength tuning speed is feasible using this approach in conjunction with fast electrooptic polarization controllers, short cavities and low-cavity losses."
Keywords :
laser cavity resonators; laser modes; laser tuning; optical fibres; optical losses; optical polarisers; optical transmitters; ring lasers; semiconductor lasers; spectral line breadth; wavelength division multiplexing; 1.3 mum; 1.55 mum; 22.5 mA; dB sidemode suppression; fast electrooptic polarization controllers; fiber unidirectional ring; linear polarizer; low-cavity losses; low-threshold current; nanosecond wavelength tuning; polarization controllers; semiconductor optical amplifier; short cavities; wide tuning range; widely tunable narrow linewidth semiconductor fiber ring laser; Fiber lasers; Laser tuning; Lasers and electrooptics; Optical control; Optical fiber polarization; Optical tuning; Ring lasers; Semiconductor lasers; Semiconductor optical amplifiers; Tunable circuits and devices;
Journal_Title :
Photonics Technology Letters, IEEE
