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The recent demonstrations of parametric wavelength multicasting and polychromatic sampling have opened new possibilities of real-time processing of ultrafast signals. We present the latest results of processing 320 Gb/s providing access to “all-the-data-all-the-time”.
We demonstrate a tunable 40 GHz mode-locked semiconductor fiber laser incorporating a nonlinear optical loop mirror. The laser is tunable over the C-band and generates picosecond pulses with a timing jitter less than 710 fs.
Optical communication systems based on dense wavelength division multiplexing (DWDM) would benefit from the ability to adjust the operating wavelength of a laser transmitter. Previous attempts, including thermal adjustment, etalon based wavelength locking, and various types of optical frequency and phase locked loops such as the Pound-Drever-Hall technique suffer from weaknesses including sensitivity...
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