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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 11605–11614

Electro-optic directed logic circuit based on microring resonators for XOR/XNOR operations

Lei Zhang, Jianfeng Ding, Yonghui Tian, Ruiqiang Ji, Lin Yang, Hongtao Chen, Ping Zhou, Yangyang Lu, Weiwei Zhu, and Rui Min  »View Author Affiliations

Optics Express, Vol. 20, Issue 11, pp. 11605-11614 (2012)

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We report the implementation of the XOR and XNOR operations using an electro-optic directed logic circuit based on two cascaded silicon microring resonators (MRRs), which are both modulated through the plasma dispersion effect. PIN diodes are embedded around the MRRs to achieve the carrier-injection modulation. The inherent resonance wavelength mismatch between the two nominally identical MRRs caused by fabrication errors is compensated by two local microheaters above each MRR through the thermo-optic effect. Two electrical modulating signals applied to the MRRs represent the two operands of the two operations. Simultaneous bitwise XOR and XNOR operations at 100 Mbit/s are demonstrated.

© 2012 OSA

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.3750) Integrated optics : Optical logic devices
(230.5750) Optical devices : Resonators
(250.5300) Optoelectronics : Photonic integrated circuits
(130.4815) Integrated optics : Optical switching devices

ToC Category:
Integrated Optics

Original Manuscript: February 10, 2012
Revised Manuscript: April 27, 2012
Manuscript Accepted: April 30, 2012
Published: May 7, 2012

Lei Zhang, Jianfeng Ding, Yonghui Tian, Ruiqiang Ji, Lin Yang, Hongtao Chen, Ping Zhou, Yangyang Lu, Weiwei Zhu, and Rui Min, "Electro-optic directed logic circuit based on microring resonators for XOR/XNOR operations," Opt. Express 20, 11605-11614 (2012)

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