@inproceedings{mule2002optical, title={Optical waveguides with embedded air-gap cladding integrated within a sea-of-leads (SoL) wafer-level package}, author={Mule, A and Bakir, M and Jayachandran, J and Villalaz, R and Reed, H and Agrawal, N and Ponoth, Shom and Plawsky, J and Persans, P and Kohl, P and others}, booktitle={Proceedings of the IEEE 2002 International Interconnect Technology Conference (Cat. No. 02EX519)}, pages={122--124}, year={2002}, organization={IEEE} }