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A 10 Gbit/s /spl times/ 8 ch WDM modulator module with 50-GHz channel spacing is demonstrated. The module contains only one monolithically integrated WDM modulator chip that is only 15 mm /spl times/ 7 mm in size.
Monolithically integrated wavelength converter based on semiconductor optical amplifier with distributed feedback laser diode is fabricated. Gain recovery time of 7 ps is achieved for the semiconductor optical amplifier in experiment with simulated optimization.
A theoretically predicted concept for a monolithically integrated optical waveguide isolator is experimentally demonstrated for the first time. Preliminary non-reciprocity measurements indicate isolation ratios in the range of the design values, proving the device's potential.
We report on a sampled grating DBR laser monolithically integrated with a Mach-Zehnder modulator and a semiconductor optical amplifier. Transmission over 100 km of standard fiber at 10 Gb/s is demonstrated across 30 nm tuning range.
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