
21
Fiber-optic quantum information
technologies
Prem Kumar
*
, Jun Chen
†
, Paul L. Voss
†
, Xiaoying Li
†
,
Kim Fook Lee
†
, and Jay E. Sharping
‡
*
Technological Institute, Northwestern University, Evanston,
IL, USA
†
Center for Photonic Communication and Computing,
EECS Department, Northwestern University, Evanston, IL, USA
‡
University of California, Merced, CA
21.1 INTRODUCTION
Quantum mechanics (QM), born almost a century ago, is one of the most aston-
ishing pieces of knowledge that human beings have ever discovered about
Nature. Its rules are surprisingly simple: linear algebra and first-order partial
differential equations, and yet its predictions are so unimagi ...