title: Free-space optical crossbar network integrated in a single block of LiNbO3 crystal.
abstract: A free-space optical crossbar network integrated in a single block of LiNbO(3) crystal is proposed, which consists of stages of 2×2 switches making use of the electro-optic effect of crystal and in-between routing devices for permutation based on double refraction and internal double reflection on interfaces. Two basic configurations are suggested. A control algorithm for the crossbar network is discussed, which may control a nonblocking interconnection between any input and output. The integrated crossbar network is low energy loss, nonblocking, easy to assemble, and insensitive to environment. A 3×3 crossbar network is designed and the experiment is demonstrated.
authors.affiliation: School of Physics and Electronic Technology, Liaoning Normal University, Dalian 116029, China. zhesong@dl.cn
authors.forename: Zhe
authors.initials: Z
authors.lastname: Song
authors.forename: Peipei
authors.initials: P
authors.lastname: Hou
authors.forename: Lili
authors.initials: L
authors.lastname: Fu
authors.forename: Liuyan
authors.initials: L
authors.lastname: Fan
authors.forename: Yan
authors.initials: Y
authors.lastname: Gao
authors.forename: Yi
authors.initials: Y
authors.lastname: Ding
authors.forename: Yuxin
authors.initials: Y
authors.lastname: Wang
authors.forename: Qiuju
authors.initials: Q
authors.lastname: Feng