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A 128 Gb/s PAM4 Silicon Microring Modulator With Integrated Thermo-Optic Resonance Tuning
Open accessAbstract
We report the first demonstration of a silicon photonic microring modulator with modulation data rate up to 128 Gb/s (64 Gbaud PAM4). The microring modulator exhibits an electro-optic phase efficiency of Vπ· L = 0.52 V·cm, an electro-optic bandwidth of 50 GHz, and a measured transmitter dispersion eye closure quaternary of 3.0 dB at this data rate. In addition, the resonant wavelength of the microring modulator can be tuned across a full free spectral range using an integrated heater with a thermo-optic phase efficiency of 19.5 mW/π-phase shift.
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“All modulators suffer from a tradeoff between FoMefficiency and E/O BW49–51.”
From Roadmapping the next generation of silicon photonics (2024) · cites this paper as [50]
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“For MRMs, which are very compact, the loss due to α becomes less critical50”
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“APDs also need to be biased optimally and stabilized for temperature and voltage drift, but that is less challenging117 than what has already been demonstrated for microring circuits50.”
From Roadmapping the next generation of silicon photonics (2024) · cites this paper as [50]
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Self-citationComputer Systems Based on Silicon Photonic Interconnects
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Self-citation25Gb/s 1V-driving CMOS ring modulator with integrated thermal tuning
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A Low-Voltage 35-GHz Silicon Photonic Modulator-Enabled 112-Gb/s Transmission System
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60 Gbit/s Silicon Modulators with Enhanced Electro-optical Efficiency
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Photonics for artificial intelligence and neuromorphic computing
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Roadmapping the next generation of silicon photonics
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Perspective on the future of silicon photonics and electronics
Margalit, N., Xiang, C., Bowers, S. M., Bjorlin, A., Blum, R., & Bowers, J. E. (2021) · Applied Physics Letters · doi:10.1063/5.0050117 · Cited by 641
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Silicon photonics for high-capacity data communications
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Metadata
- Authors
- Sun, J., Kumar, R., Sakib, M., Driscoll, J. B., Jayatilleka, H., & Rong, H.
- Affiliations
- Intel (United States) (US)
- Venue
- Journal of Lightwave Technology
- Published
- 2019-01-01
- Volume
- 37
- Issue
- 1
- Pages
- 110-115
- ISSN
- 0733-8724 (ISSN-L)
- 1558-2213
- OpenAlex
- W2898151429
- Cited by
- 292
- References
- 17
- Citations by year
- 2026: 21 · 2025: 51 · 2024: 46 · 2023: 34 · 2022: 50 · 2021: 35 · 2020: 37 · 2019: 17
- FWCI
- 8.59
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Lightwave Technology (publishedVersion)
- Funders
- Intel Corporation
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Photonic and Optical Devices
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Photonic Communication Systems
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Optical Network Technologies
- Keywords
- silicon microring resonator, electro-optic modulator, PAM4 modulation, thermo-optic tuning, integrated heater, electro-optic bandwidth, high-speed optical transmitter, free spectral range tuning
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