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A monolithically integrated tunable transmitter consisting of tunable DFB laser array and Mach-Zehnder modulator is developed. Power penalty in the chromatic dispersion range of ±800 ps/nm with zero-chirp operation is less than 0.7 dB, modulating at 10-Gbit/s NRZ signal.
We fabricated a compact 10-Gb/s-wavelength tunable laser module by integrating a tunable DFB laser array and an InP-based n-i-n Mach-Zehnder modulator in one package. We developed a multichip assembly technology to realize high optical coupling efficiency and achieved a continuous-wave output power of +6.5 dBm. We demonstrated a full C-band 10-Gb/s optical duobinary transmission with a constant modulation...
Full C-band 200 km optical duobinary transmission with a constant modulation voltage is demonstrated by using a wavelength tunable laser co-packaged with an InP Mach-Zehnder modulator (MZM). We developed a multi-chip assembly technology for high optical coupling efficiency and achieved an output power of +6.5 dBm CW.
Full C-band 10-Gb/s operation and 100-km single-mode fiber transmission with low power penalty are demonstrated by using an InP Mach-Zehnder modulator co-packaged with a tunable laser array under a constant modulation voltage condition.
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