We demonstrate word-synchronous measurements of QPSK format 40 Gb/s PRBS signals using linear optical sampling with a precision time-base, which allows us to average waveforms and distinguish between signal distortion and noise in eye diagrams.
Proceedings Title: Tech. Dig., Optical Fiber Communication Conf. (OFC)
Conference Dates: March 22-26, 0009
Conference Location: San Diego, CA
Pub Type: Conferences
frequency comb, modulation, optical communications, sampling, waveform metrology