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

Lei Zhang | Zendy; Jianfeng Ding | Zendy; Yonghui Tian | Zendy; Ruiqiang Ji | Zendy; Lin Yang | Zendy; Hongtao Chen | Zendy; Ping Zhou | Zendy; Yangyang Lu | Zendy; Weiwei Zhu | Zendy; Rui Min | Zendy

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

Author(s) -

Lei Zhang,

Jianfeng Ding,

Yonghui Tian,

Ruiqiang Ji,

Lin Yang,

Hongtao Chen,

Ping Zhou,

Yangyang Lu,

Weiwei Zhu,

Rui Min

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.011605

Subject(s) - xnor gate , resonator , optoelectronics , materials science , optics , logic gate , bitwise operation , computer science , physics , nand gate , algorithm , programming language

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.

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