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1.55 μm transmission at 2.5 Gbit/s over 1102 km of NDSF using discrete and monolithically integrated InGaAsP-InP Mach-Zehnder modulator and DFB laser

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10 Author(s)
D. M. Adams ; Adv. Technol, Nortel, Ottawa, Ont., Canada ; C. Rolland ; A. Fekecs ; D. McGhan
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Link performances at 25 Gbit/s for a packaged, InGaAsP-based, monolithically integrated Mach-Zehnder modulator and DFB laser, and a co-packaged discrete Mach-Zehnder modulator and DFB laser, are reported. Both modulators feature a switching voltage of ~2V, and an on-chip absorber for optical power adjustment of up to 15 dB. Negative dispersion penalties at 1.55 μm for >1000 km of nondispersion shifted fibre (NDSF) are achieved with both modules

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Electronics Letters  (Volume:34 ,  Issue: 8 )