Synthesis of Quadrature Amplitude Modulated (QAM) signals by direct modulation of simple semiconductor lasers under injection locking

摘要

Coherent optical communications allows for better resilience to transmission-related linear and nonlinear impairments (e.g., using binary phase shift keying, BPSK) and/or for increased capacity via the transmission of several bits per symbol (QPSK, 16 QAM, ....)