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In this paper, we investigate a bit-error rate (BER) of an optoelectronic integrated circuit (OEIC) receiver. For this investigation, signal and noise characteristics of a Si avalanche photodetector and a high-speed electronic circuit are analyzed. Using the fabricated OEIC receiver, 12.5-Gb/s 231−1 pseudo-random binary sequence optical signal is successfully detected with BER less than 10−12 at incident...
We propose a novel optical transmitter which can change flexibly the modulation format and/or bit rate of the optical signal. This transmitter can be used to generate BPSK, QPSK, 6PSK/6QAM, and 8PSK/8QAM formats.
We propose a novel bias control technique based on the differential phasor monitor for the LiNbO3 modulator. For demonstrations, the proposed bias control technique was used for 20-Gb/s QPSK and 43-Gb/s 16-QAM signals.
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