||Young-Kai (Y.K.) Chen, Director of the Communication Science Research Department at Bell Laboratories, Alcatel-Lucent at Murray Hill, New Jersey. He received his Ph.D. degree from Cornell University in 1988. From 1980 to 1985, he was with the Electronics Laboratory of General Electric Company. Dr. Chen joined Bell Laboratories, Murray Hill, New Jersey in 1988. He was an Adjunct Professor at Columbia University, National Taiwan University and National Chiao-Tung University. He is supporting researchers in the areas of silicon photonics, coherent optical transmission systems and quantum communication.