Separate error-free transmission of eight channels at 10 Gb/s using comb generation in a quantum-dash-based mode-locked laser
IEEE Photonics Technology Letters, 2009•ieeexplore.ieee.org
We report on comb generation at 1.55 mum using a mode-locked quantum-dash-based
laser. A flat optical spectrum with a~ 10-nm width consisting of eight 100-GHz-spaced
channels is demonstrated. Separate error-free transmission of each channel is achieved at
10 Gb/s over 50-km-long single-mode fiber. Compared to an ideal external cavity continuous-
wave laser, a penalty of only 1.5 dB is measured for each filtered channel. This is attributed
to the higher relative intensity noise level of a filtered mode.
laser. A flat optical spectrum with a~ 10-nm width consisting of eight 100-GHz-spaced
channels is demonstrated. Separate error-free transmission of each channel is achieved at
10 Gb/s over 50-km-long single-mode fiber. Compared to an ideal external cavity continuous-
wave laser, a penalty of only 1.5 dB is measured for each filtered channel. This is attributed
to the higher relative intensity noise level of a filtered mode.
We report on comb generation at 1.55 mum using a mode-locked quantum-dash-based laser. A flat optical spectrum with a ~10-nm width consisting of eight 100-GHz-spaced channels is demonstrated. Separate error-free transmission of each channel is achieved at 10 Gb/s over 50-km-long single-mode fiber. Compared to an ideal external cavity continuous-wave laser, a penalty of only 1.5 dB is measured for each filtered channel. This is attributed to the higher relative intensity noise level of a filtered mode.
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