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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2412.07627 |
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| _version_ | 1866910777453051904 |
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| author | Che, Di Grillanda, Stefano Liu, Yang Qiu, Zheru Ji, Xinru Raybon, Gregory Chen, Xi Kim, Kwangwoong Kippenberg, Tobias J. Blanco-Redondo, Andrea |
| author_facet | Che, Di Grillanda, Stefano Liu, Yang Qiu, Zheru Ji, Xinru Raybon, Gregory Chen, Xi Kim, Kwangwoong Kippenberg, Tobias J. Blanco-Redondo, Andrea |
| contents | Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiplexing (WDM). With an ever-increasing deployment density of coherent systems, the demand for highly integrated WDM coherent transceivers has been rising. While tremendous progress has been made on silicon photonics compatible high-speed modulation and photodetection on chip, a solution for monolithically integrable amplifier with high gain and output power remains a challenge. Recently, an erbium doped waveguide amplifier based on ultra-low loss silicon nitride waveguides has demonstrated gain and output power levels potentially suitable for Terabit class coherent communications. Here, we demonstrate a WDM coherent system enabled by this integrated photonic amplification solution. The system uses the waveguide amplifier as a booster amplifier of 16 WDM signals each carrying a net data rate of 1.6 Tb/s, achieving 25.6-Tb/s net capacity over 81-km fiber transmission. Our results highlight a fully integrated solution for highly parallel coherent transceivers including amplification, that has the potential to transform future optical communications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_07627 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier Che, Di Grillanda, Stefano Liu, Yang Qiu, Zheru Ji, Xinru Raybon, Gregory Chen, Xi Kim, Kwangwoong Kippenberg, Tobias J. Blanco-Redondo, Andrea Optics Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiplexing (WDM). With an ever-increasing deployment density of coherent systems, the demand for highly integrated WDM coherent transceivers has been rising. While tremendous progress has been made on silicon photonics compatible high-speed modulation and photodetection on chip, a solution for monolithically integrable amplifier with high gain and output power remains a challenge. Recently, an erbium doped waveguide amplifier based on ultra-low loss silicon nitride waveguides has demonstrated gain and output power levels potentially suitable for Terabit class coherent communications. Here, we demonstrate a WDM coherent system enabled by this integrated photonic amplification solution. The system uses the waveguide amplifier as a booster amplifier of 16 WDM signals each carrying a net data rate of 1.6 Tb/s, achieving 25.6-Tb/s net capacity over 81-km fiber transmission. Our results highlight a fully integrated solution for highly parallel coherent transceivers including amplification, that has the potential to transform future optical communications. |
| title | Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier |
| topic | Optics |
| url | https://arxiv.org/abs/2412.07627 |