Connection arrangements for a male probe and female receiver for selective connection of a spider buoy with a turret for mooring a vessel in offshore waters. The lead is provided with a die bonding pad for bonding the semiconductor light source, and with an exposed surface opposite to the die bonding pad The exposed surface is surrounded by the resin package in the in-plane direction of the exposed surface. The matching networks, substantially tuned to the frequencies of the sources driving them, include series inductances so the 2 MHz inductance exceeds the 27 MHz network inductance, and the 27 MHz network inductance exceeds the inductances of the 60 MHz networks. A second device having a second polarity different from the first polarity uses the second mesa as a channel and benefits from the enhanced horizontal crystallographic orientation. Optionally, multiple of the parallel search engines may be cascaded by connection to an expansion bus to form a mega search engine. This second via may be formed by conventional plating techniques.