FWM-based wavelength conversion of 40 Gbaud PSK signals in a silicon germanium waveguide.
We demonstrate four wave mixing (FWM) based wavelength conversion of 40 Gbaud differential phase shift keyed (DPSK) and quadrature phase shift keyed (QPSK) signals in a 2.5 cm long silicon germanium waveguide. For a 290 mW pump power, bit error ratio (BER) measurements show approximately a 2-dB power penalty in both cases of DPSK (measured at a BER of 10(-9)) and QPSK (at a BER of 10(-3)) signals that we examined.
Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, UK.
Mohamed A
MA
Ettabib
Kamal
K
Hammani
Francesca
F
Parmigiani
Liam
L
Jones
Alexandros
A
Kapsalis
Adonis
A
Bogris
Dimitris
D
Syvridis
Mickael
M
Brun
Pierre
P
Labeye
Sergio
S
Nicoletti
Periklis
P
Petropoulos
D004867:Equipment Design; D019544:Equipment Failure Analysis; D005857:Germanium / Q000737:chemistry*; D008872:Microwaves; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D012825:Silicon / Q000737:chemistry*; D020349:Surface Plasmon Resonance / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*
D005857:Germanium; D012825:Silicon