MBE-grown 1550 nm wafer-fused VCSELs for large data rate and energy efficient communication

Abstract We report on the progress made in the development of 1550 nm vertical-cavity surface-emitting lasers (VCSELs) for data transmission applications. These lasers were grown using molecular beam epitaxy and manufactured through wafer fusion. Such devices exhibit high speed and high optical output power, benefitting from GaAs-based mirrors and an InP-based active region. We investigate their static and dynamic performance in order to optimize for long-distance fiber-optic communication. We achieved record data rates of 40 Gbps across 1 m single-mode optical fiber with a single-mode power exceeding 3.8 mW by using signal pre-emphasis. Long-distance tests show, that these VCSELs are capable of transmitting more than 27 Gbps across a 2 km single-mode fiber, and can achieve as low as 600 fJ energy consumption per bit transferred.

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Publication Details

Journal
Journal of Physics Photonics
Published
2025-07-13
DOI
https://doi.org/10.1088/2515-7647/adef20
Citations
2
Primary Topic
Semiconductor Lasers and Optical Devices
Type
article
Field-Weighted Citation Impact
1.46

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MBE-grown 1550 nm wafer-fused VCSELs for large data rate and energy efficient communication

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MBE-grown 1550 nm wafer-fused VCSELs for large data rate and energy efficient communication

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article en
2 citations

Abstract

Abstract We report on the progress made in the development of 1550 nm vertical-cavity surface-emitting lasers (VCSELs) for data transmission applications. These lasers were grown using molecular beam epitaxy and manufactured through wafer fusion. Such devices exhibit high speed and high optical output power, benefitting from GaAs-based mirrors and an InP-based active region. We investigate their static and dynamic performance in order to optimize for long-distance fiber-optic communication. We achieved record data rates of 40 Gbps across 1 m single-mode optical fiber with a single-mode power exceeding 3.8 mW by using signal pre-emphasis. Long-distance tests show, that these VCSELs are capable of transmitting more than 27 Gbps across a 2 km single-mode fiber, and can achieve as low as 600 fJ energy consumption per bit transferred.

Journal of Physics PhotonicsVol. 7(3)
ITMO University (RU), Changchun Institute of Optics, Fine Mechanics and Physics (CN), Technische Universität Berlin (DE)
National Natural Science Foundation of China, Ministry of Science and Higher Education of the Russian Federation, National Key Research and Development Program of China
Openalex Percentile: Top 16%
Semiconductor Lasers and Optical Devices
1.46
DOIOpen Access PDFOpenAlex
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