A novel 2 × 2 multi-arm type of optical switch using multimode interference couplers

IEICE Electronics Express

Kenichi Masuda¹  Hiroyuki Tsuda¹  Atsushi Tate¹ 

[1] Graduate school of science and technology, Keio University

关键词: optical switch;    multimode interference coupler;    multi-arm;    Mach-Zehnder;   

DOI  :  10.1587/elex.3.191

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(9)Cited-By(1)We have proposed a novel 2 × 2 optical switch using multimode interference (MMI) coupler. This switch comprises four arms, located between two MMI couplers, and works by controlling a phase shifter, situated in each arm. Compared with conventional Mach-Zehnder type of optical switches, BPM simulation of this device predicted a high tolerance to fabrication errors. We fabricated the device with silica waveguides, and confirmed that it functioned with an insertion loss of 4.1dB and an extinction ratio of about 20dB.

【 授权许可】

Unknown