Abstract
The dual electro-absorption modulated laser (D-EML) is a transmitter
technology based on distributed feedback laser and electro-absorption modulator
integrated on the same chip with dual independent-access modulation. The D-EML
allows the adjustment of its optical signal spectral content by controlling
independently the laser and modulator amplitude modulations in order to enhance
the transmission distance beyond usual chromatic dispersion limit without
increasing consumption, cost, and complexity. We develop a D-EML model based
on experimental characterization in order to demonstrate by simulation the
interest of dual-modulation format for optical systems at 10, 25, and 40 Gb/s.
© 2012 IEEE
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