Title :
1.25-Gb/s Operation at 50-GHz Channel Spacing Based on Intensity Noise Suppression of Wavelength-Locked Fabry–PÉrot Laser Diode
Author :
Jeong, Jong Sool ; Lee, Hak-Kyu ; Lee, Chang-Hee
Author_Institution :
KT Second Res. Center, Novera Opt. Korea, Inc., Daejeon
fDate :
5/1/2009 12:00:00 AM
Abstract :
We demonstrate 1.25-Gb/s operation at 50-GHz channel spacing and 10-km single-mode fiber, which is based on a wavelength-locked Fabry-Perot laser diode (F-P LD) and an intensity noise suppression by a gain saturation of F-P LD in front of the receiver. The wavelength-locked F-P LD employs the spectrum-sliced incoherent light with narrow bandwidth of 35 GHz. The intensity noise of wavelength-locked F-P LD is suppressed about 6 dB by the F-P LD in the front of the receiver. As a result, the bit-error-rate curves exhibit the error-free performances over the detuning conditions to cover a whole mode spacing period of F-P LD.
Keywords :
Fabry-Perot resonators; channel spacing; error statistics; laser beams; laser mode locking; laser noise; optical fibre networks; optical receivers; optical transmitters; semiconductor lasers; wavelength division multiplexing; bit rate 1.25 Gbit/s; bit-error-rate curve analysis; channel spacing; distance 10 km; frequency 35 GHz; frequency 50 GHz; laser detuning condition; laser gain saturation; noise intensity suppression; optical receiver; single-mode fiber; spectrum-sliced incoherent light; wavelength-division-multiplexed passive optical network; wavelength-locked fabry-perot laser diode; Dense wavelength-division-multiplexed (WDM) access application; noise suppression; relative intensity noise (RIN); wavelength-locked Fabry–PÉrot laser diode (F-P LD);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2009.2015333
