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Journals and Conferences
AGC-EDFA for the burst-mode signals is one of the most important devices in the next generation WDM. We have realized the AGC-EDFA without gain excursion in 20-ns and 21-dB ramped input with the… (More)
We demonstrate 4-bit analog-to-digital conversion at a sampling rate of 160 GSamples/s using 16-fold optical time-interleaving, and discuss how it is capable of Tera-Sample/s, 5-bit operations.
We demonstrate the burst-mode optical amplifier for 1310 nm. Even when the input burst length varies rapidly from 500 ns to 50 mus, the gain error within plusmn 0.5 dB is achieved.
We will present an ultrafast all-optical A/D conversion using multi-period transfer function of nonlinear optical loop mirrors (NOLMs) to overcome the speed bottleneck of electronic A/D converters.
We have achieved a good gain transient performance of an ultra-fast AGC-EDFA in 40-channel add/drop operation owing to the combination of an electrically controlled pump LD and a high-speed VOA.
We proposed an ultra high-speed automatic level controlled optical amplifier with wide dynamic range and 110-ns guard time and 20-dB dynamic range for input power is achieved for the first time.