Micro-Ring Modulator Linearity Enhancement for Analog and Digital Optical Links
Sumilak Chaudhury, Karl Johnson, Chengkuan Gao, Bill Lin, Yeshaiahu, Fainman, Tzu-Chien Hsueh
TL;DR
This paper presents a low-cost, energy-efficient technique to significantly improve the linearity of micro-ring modulators, enhancing their performance for analog and digital optical communication systems.
Contribution
It introduces a novel broadband linearity enhancement method for electro-optic micro-ring modulators, achieving substantial improvements in linearity metrics with minimal cost and energy use.
Findings
6.1-dB dynamic linearity improvement in SFDR
17.9-dB static linearity enhancement in INL
Compatible with rapid silicon-photonics fabrication
Abstract
An energy/area-efficient low-cost broadband linearity enhancement technique for electro-optic micro-ring modulators (MRM) is proposed to achieve 6.1-dB dynamic linearity improvement in spurious-free-dynamic-range with intermodulation distortions (IMD) and 17.9-dB static linearity improvement in integral nonlinearity over a conventional notch-filter MRM within a 4.8-dB extinction-ratio (ER) full-scale range based on rapid silicon-photonics fabrication results for the emerging applications of various analog and digital optical communication systems.
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Taxonomy
TopicsOptical Network Technologies · Photonic and Optical Devices · Semiconductor Lasers and Optical Devices