Abstract
The use of optoelectronic integrated circuit (OEIC) technology offers a very attractive route to the implementation of optical subscriber access links enabling complex optical terminal functions to be realised at low cost. Improvements in terms of size, testability and design flexibility are also provided when compared with discrete or hybrid implementations. Here we describe the monolithic integration of DFB lasers, 3dB couplers, wavelength duplexers and monitor photodiodes in a single InP-based chip, and the assembly of this device into a compact module including fibre interfacing and front end receiver functions.
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