Yan Pan Prabhat Kumar John Kim Gokhan Memik Yu Zhang Alok N. Choudhary Firefly: illuminating future network-on-chip with nanophotonics. 429-440 2009 ISCA http://doi.acm.org/10.1145/1555754.1555808 conf/isca/2009 db/conf/isca/isca2009.html#PanKKMZC09