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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 21 — Nov. 1, 2009
  • pp: 4660–4666

Analysis of an MMI-Based Six-Port Circulator by Using 3-D Magneto-Optical Beam Propagation Method

Haifeng Zhou, Xiaoqing Jiang, Yiling Sun, Jianyi Yang, and Minghua Wang

Journal of Lightwave Technology, Vol. 27, Issue 21, pp. 4660-4666 (2009)


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Abstract

An MMI-based six-port circulator is analyzed by 3-D magneto-optical (MO) beam propagation method (BPM). Since opposite nonreciprocal $4\pi/3$-phase shifts are introduced into the two sided interferometric arms of 3$\,\times\,$3 mirror-image MMI coupler, light travels through this device in a nonreciprocal fashion and obeys the sequential order. After using the Ce:YIG/SOI bonding waveguide to construct the proposed circulator, the 3-D MO BPM formula are validated for the first time to simulate nonreciprocal device with external magnetization perpendicular to the light propagation direction. Simulation shows that this device features in easy fabrication, good operation bandwidth, ability to reduce the port count number.

© 2009 IEEE

Citation
Haifeng Zhou, Xiaoqing Jiang, Yiling Sun, Jianyi Yang, and Minghua Wang, "Analysis of an MMI-Based Six-Port Circulator by Using 3-D Magneto-Optical Beam Propagation Method," J. Lightwave Technol. 27, 4660-4666 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-21-4660

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