@INPROCEEDINGS{Publ2013-587, author = {J. Grzyb and R. Al Hadi and U. Pfeiffer}, title = {Lens-Integrated On-Chip Antennas for THz Direct Detectors in SiGe HBT}, booktitle = {Proc. IEEE Int. Symp. Antennas and Propagation and USNC-URSI National Radio Science Meeting (AP-S/USNC-URSI)}, year = {2013}, note = {to be published}, }