L. Dong et al., 40GBIT S 1.55-MU-M RZ TRANSMISSION OVER 109KM OF NON-DISPERSION SHIFTED FIBER WITH LONG CONTINUOUSLY CHIRPED FIBER GRATINGS/, Electronics Letters, 33(18), 1997, pp. 1563-1565
The authors report the first demonstration of 40Gbit/s transmission ov
er 109km of standard fibre at 1.55 mu m with dispersion compensating l
inearly chirped continuous fibre gratings and a similar to 0.5nm sourc
e wavelength tolerance, demonstrating the feasibility of fabricating s
uch gratings for use at very high data rates.