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Gain switched DFB laser diode pulse source using continuous wave light injection for jitter suppression and an electroabsorption modulator for pedestal suppression

Gain switched DFB laser diode pulse source using continuous wave light injection for jitter suppression and an electroabsorption modulator for pedestal suppression

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4 ps pulses with low temporal jitter (0.6 ps) and reduced pedestal (> 25 dB extinction) have been generated from a 1548 nm gain switched distributed feedback laser diode (DFB) pulse source at 2.5 GHz using continuous wave (CW) light injection for jitter suppression and an electroabsorption modulator (EAM) for pedestal suppression.

References

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    2. 2)
      • Huhse, D., Schell, W., Utz, J., Kaessner, J., Bimberg, D.: `Generation of low jitter (210 fs) single mode pulsesfrom a 1.3 µm Fabry-Perot laser diode by self-seeding', Proc. ECOC '94, September 1994, 1, Firenze, Italy, p. 467–470
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      • Barry, L.P., Guignard, P., Debeau, J., Boittin, R., Bernard, M.: `A high speed broadcast and select TDMA network using all-opticaldemultiplexing', Proc. ECOC '95, September 1995, 1, Brussels, Belgium, p. 437–440
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      • Timing jitter reduction ofgain-switched DFB laser by external injection-seeding
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      • Generation of 6.3 ps optical pulses at a 10 GHz repetition rate usinga packaged electroabsorption modulator and dispersion compensating fibre
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      • Low repetition rate master source for opticalprocessing in ultrahigh-speed OTDM networks
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      • Spectral measurement of timing jitter in gain-switched semiconductorlasers
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      • Wright, J.V., Carter, S.F.: `Constraints on the designof long-haul soliton systems', Technical digest on nonlinearguided-wave phenomena 1991, 1991, 15, Optical Society of America, p. 6–9
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