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We present a broad-bandwidth (1 -12 GHz) low-biased external modulation fiber-optic link without preamplifiers that has a gain of 6 dB-14 dB and a noise figure of < 7.S dB everywhere in this broad bandwidth, with a record low noise figure of only 3.4 dB at 2 GHz. The third-order distortion-limited spurious-free dynamic range (SFDK) of this link within any suboctavc portion of the 1-12 GHz range...
We demonstrate, for the first time, 8 Gbit/s digital transmission over single-mode optical fibre. A 30 km link was achieved using a directly modulated 1.31 ?m multilongitudinal-mode laser and an avalanche photodiode receiver.
A transmission experiment was performed to study the high-speed potential of a long-distance gigabit lightwave system employing a single-frequency 1.5 ?m laser and a new long wavelength III?V avalanche photodetector. A 120 km length of standard production single mode fibre was used in the test, in which a bit error rate of 2?10?10 was achieved at 1 Gbit/s. This distance is the longest reported to...
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