XPM reduction in hybrid 10G/40G transmission using 10-Gb/s narrow-filtered DPSK modulation.
We propose a possible improvement for optical hybrid transmission systems, based on 40G differential quadrature shift Keying (DQPSK) and 10G differential phase shift keying (DPSK) received by means of a Gaussian narrow filter. We report a reduced cross phase modulation (XPM), at the cost of a slightly more complex setup. This technique is especially effective for systems with low inline dispersion and offers similar performances on different types of fiber.
Bertolini
Marco
M
Information Engineering Department, University of Parma, V.le G. Usberti 181/A, 43100 Parma, Italy. bertolini@tlc.unipr.it
Serena
Paolo
P
Rossi
Nicola
N
Bononi
Alberto
A
D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation*; D008872:Microwaves; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*