期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 33, 期 16, 页码 812-815出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2021.3069146
关键词
Vertical cavity surface emitting lasers; Optical fiber dispersion; Optical fiber devices; Bandwidth; Modulation; Optical fibers; Optical fiber networks; Laser noise; relative intensity noise; mode partition noise; optical fibers; PAM-4 modulation; vertical cavity surface emitting lasers
This article discusses the development of multi-mode VCSELs with improved bandwidth and noise performance for 100 Gb/s data communication links over multi-mode fiber. The VCSELs are designed to maximize transmission distance at the peak multi-mode fiber bandwidth of 850 nm. Experimental results demonstrate successful transmission of PAM-4 signals using equalization techniques.
Multi-mode vertical-cavity surface-emitting lasers (VCSELs) with improved bandwidth and noise performance have been developed for 100 Gb/s data communication links over multi-mode fiber. The VCSELs are designed for the peak multi-mode fiber bandwidth at 850 nm to maximize reach. The small-signal modulation 3dB bandwidth exceeds 25 GHz over temperature and relative intensity noise is below -145 dB/Hz. Transmission of 53.125 GBd PAM-4 signals over a 100m OM4 fiber is demonstrated by using equalization on both transmit and receive side. The transmitter and dispersion eye closure quaternary (TDECQ) penalty is below 4 dB for VCSEL operating up to 75 degrees C.
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