Abstract

Optoelectronic monolithic integration is preferable for multigigabit transmission systems because of small waveform degradation due to interconnect parasitics in optoelectronic hybrid integration. Implementation of a wavelength division multiplexing subsystem on the optoelectronic integrated chip will further increase the transmission capacity in optical fibers. A five-wavelength integrated distributed feedback laser array with 50 A lasing wavelength separation has been developed. Multiquantum-wells are promising as a basic structure in future optoelectronic integration. They show high potential in low threshold current laser diodes, high-frequency modulators, and high-speed detectors.

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