Wavelength Interchange of Phase-Shift-Keying Signal

Abstract

All-optical wavelength interchange for differential phase-shift-keying signal is proposed and demonstrated using an optical parametric loop mirror with a phase-controlled optical pump. The performance of wavelength interchange is experimentally evaluated at 10 Gb/s. Successful swapping of phase information is achieved with error-free performance for 2 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">31</sup> -1 pseudorandom binary sequence encoded signals.