[beaumartinez]

Codenamed Light Peak.

Intel's page on Light Peak (not the same as theirs on Thunderbolt): http://techresearch.intel.com/ProjectDetails.aspx?Id=143

Wikipedia has a very informative article on it: http://en.wikipedia.org/wiki/Light_Peak

[tvon]

It's not an implementation of Light Peak, it is what Light Peak is now called.

[beaumartinez]

You're right; Developed by Intel (under the code name Light Peak). (I've corrected my comment.)