Abstract
Wavelength tunability of an all-optical clock recovery operation based on a quantum-dash mode-locked Fabry-Pérot laser diode is experimentally investigated. Synchronization of the device to the injection of 40-Gb/s nonreturn-to-zero (NRZ) incoming data is assessed by analyzing both the carrier-to-noise ratio and the linewidth of the 40-GHz beat-tones measured at the mode-locked laser output. Under optical injection, beat-tone linewidths below 10 Hz are measured. Recovered clock pulses featuring a width of 1.6 ps are obtained irrespective of the wavelength detuning between the laser spectra and the optical carrier of the incoming data stream.
| Original language | English |
|---|---|
| Pages (from-to) | 531-533 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 23 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1 May 2011 |
| Externally published | Yes |
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