Related references
Note: Only part of the references are listed.
Review
Optics
Mengyue Xu et al.
Summary: This review focuses on the design principles and structures for high-bandwidth electro-optic modulators, with an emphasis on potential candidate materials for ultra-wideband optical systems. By comparing the performance and limitations of different modulators, a future roadmap is proposed based on recent advances.
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Penghui Xia et al.
Summary: In this study, we demonstrate a high efficiency, high linearity, and high-speed silicon Mach-Zehnder modulator based on the DC Kerr effect enhanced by slow light. The modulator exhibits low insertion loss, wide bandwidth, and excellent modulation linearity.
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Engineering, Electrical & Electronic
Brian Murray et al.
Summary: This study demonstrates the use of electrical precompensation for high-speed operation of lumped MZMs through experiment and simulation. A precise equivalent circuit model is fitted to S11 measurements to analyze design trade-offs in terms of system performance, energy consumption, and drive voltage requirements. The results show that careful selection of source resistance with respect to electrode and packaging inductance is crucial for high-speed modulation. Increasing the electrode inductance is shown to be beneficial as it allows optimum performance with a higher source impedance. Furthermore, combining precompensation with a slight inductive peaking and optimized source resistance is demonstrated to reduce drive voltage requirements and energy dissipation in the circuit.
IEEE PHOTONICS JOURNAL
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Article
Chemistry, Analytical
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Summary: Silicon photonics, as an important optoelectronic integration platform, has advantages of low power consumption, low cost, and CMOS compatibility. However, conventional silicon modulators have limitations, leading to the need for new structures to improve their performance. Slow-light effect, which reduces the group velocity of light, is an attractive research point for reducing the device footprint. This paper reviews the recent progress of silicon-based slow-light electro-optic modulators and discusses the challenges and development directions for practical applications.
Article
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Stephen R. Anderson et al.
Summary: An integrated RF-photonic link using a slow-light enhanced silicon electro-optic modulator, a single mode Si optical waveguide, and a silicon-germanium photodetector was fabricated. By optimizing the parameters of the Si Mach-Zehnder modulator, high SFDR and modulation efficiency were achieved in the slow-light region.
IEEE PHOTONICS JOURNAL
(2022)
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Yosuke Hinakura et al.
Summary: This study introduces a silicon photonic crystal waveguide slow light Mach-Zehnder modulator, which enhances modulation efficiency and maintains a wide working spectrum. By matching the phase using meanderline electrodes, the cutoff frequency is significantly improved, demonstrating high-speed modulation capabilities.
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