S. Fischer et al., 40-Gb/s OTDM to 4 x 10 Gb/s WDM conversion in monolithic InP Mach-Zehnder interferometer module, IEEE PHOTON, 11(10), 1999, pp. 1262-1264
Transformation of high bit-rate optical time-domain multiplexed (OTDM) sign
als into a multitude of lower bit-rate wavelength-division-multiplexed (WDM
) channels is demonstrated by means of a single monolithically integrated i
ndium phosphide Mach-Zehnder interferometer with semiconductor optical ampl
ifiers in its arms. Full demultiplexing of 40-Gb/s OTDM signals into 4 x 10
-Gb/s WDM channels is demonstrated. Bit-error-rate penalties are below 1.5
dB for polarization independent signal conversion throughout the 1.55-mu m
wavelength range.