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A novel developed fiber-optic transmitter and receiver pairs for 622 Mbps and 2.4 Gbps transmission are presented. They operate over wide temperature range thanks to feed-forward automatic power control (APC) and phase locked loop (PLL) technology.
SUMMARY For over 40-Gbps optical communication systems, phase coded modulation formats, like differential phase shift keying (DPSK) and quadrature phase shift keying (QPSK), are very important for signal frequency efficiency and long-reach transmission. In such systems, differential receivers which regenerate phase signals are key components. Dual Photo… (More)