Photonic integration will be a necessary enabler for lower cost 100-Gbps transmission. In this interview with Lightwave Editorial Director Stephen Hardy, OneChip Photonics Inc. Vice President, Product Line Management Andy Weirich describes his company’s approach based on Indium Phosphide (InP). He provides examples of what’s possible in InP and makes the case for why this path may prove more fruitful than alternatives such as silicon photonics.