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High-speed single-mode 850 nm vertical-cavity surface-emitting laser
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DOI：10.1088/1674-4926/25090008.png)
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Abstract
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A high-speed single-mode vertical-cavity surface-emitting laser (VCSEL) is one of the most important light sources for optical interconnects in data centers. Single-mode VCSEL can improve the transmission distance. In this letter, we demonstrate a single-mode 850 nm VCSEL with a bit rate of 60 Gb/s under NRZ modulation and 104 Gb/s under PAM4 modulation across a 100 m length of OM5 fiber, without the need for equalization or a filter. In addition, by using optical injection locking, the 3 dB bandwidth is enhanced to 68.5 GHz.
Keywords:
VCSEL
single-mode
high-speed
optical interconnects
PAM4
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5.3
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277
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4.0K
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