supported by the National "863" Program of China;the Program for New Century Excellent Talents in University (NCET);the National Natural Science Foundation of China (Nos. 10778713 and608251030);the Program of Shanghai Subject Chief Scientist (No. 09XD1402200)
A novel non-feedback precoder circuit for high-speed parallel optical differential quadrature phase shift keying (DQPSK) modulation is proposed. The alternative control signal is introduced in replacement of the con...