Pre‐emphasis enabled 50 Gbit/s transmission over 1000 m SMF using a 1060 nm single‐mode VCSEL

Lengyel, Tamas; Simpanen, Ewa; Gustavsson, Johan S.; Larsson, Anders; Karlsson, Magnus; Andrekson, Peter A.; Sorin, Wayne V.; Mathai, S.; Tan, Michael; Bickham, Scott R.

doi:10.1049/el.2018.6170

Cited by 2 publications

(2 citation statements)

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“…The transmission experiments were performed without equalization, FEC or other forms of digital signal processing (DSP). Pre-emphasis of the drive signal should enable errorfree 50 Gbps transmission over 2 km, as suggested by the recent demonstration of 50 Gbps transmission over 1 km using a simple form of pre-emphasis [26].…”

Section: Data Transmissionmentioning

confidence: 99%

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1060 nm Single-Mode VCSEL and Single-Mode Fiber Links for Long-Reach Optical Interconnects

Simpanen

Gustavsson

Larsson

et al. 2019

J. Lightwave Technol.

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We investigate the use of a 1060 nm single-mode vertical-cavity surface-emitting laser (VCSEL) and a 1060 nm single-mode fiber as a competitive single-mode technology for cost and power efficient long-reach optical interconnects. Errorfree transmission (BER < 10-12) over 2 km is demonstrated at bitrates up to 40 Gbps under OOK-NRZ modulation, without equalization, forward-error correction, or other forms of digital signal processing. The VCSEL is extensively characterized with respect to its static and dynamic performance, including the power-voltage-current characteristics, spectral characteristics, beam divergence, modulation response, relative intensity noise, and frequency chirp. The measured dependence of power penalty on fiber length is consistent with an analysis of chirp-induced pulse compression and broadening along the negative chromatic dispersion fiber.

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Section: Data Transmissionmentioning

confidence: 99%

“…where C is the chirp parameter and β is the group velocity dispersion parameter, which is related to the fiber chromatic dispersion. In [26], from the measured time-bandwidth product of a short optical pulse emitted by the SM VCSEL, the chirp parameter was determined to be 2.1. Fig.…”

Section: Chirp Induced Penaltymentioning

confidence: 99%