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Chip-Scale, Optical-Frequency-Stabilized PLL for DSP-Free, Low-Power Coherent QAM in the DCI | IEEE Conference Publication | IEEE Xplore

Chip-Scale, Optical-Frequency-Stabilized PLL for DSP-Free, Low-Power Coherent QAM in the DCI


Abstract:

We demonstrate a DSP-free 16-QAM/50GBd link based on independent transmit and LO frequency-stabilized ultra-narrow-linewidth SBS lasers, with ∼40Hz integral linewidths an...Show More

Abstract:

We demonstrate a DSP-free 16-QAM/50GBd link based on independent transmit and LO frequency-stabilized ultra-narrow-linewidth SBS lasers, with ∼40Hz integral linewidths and 7×10−14 fractional frequency stability. The low-BW optical-frequency-stabilized-PLL with 3×10−4 rad2 phase error operates within 1% of DSP and self-homodyne.
Date of Conference: 08-12 March 2020
Date Added to IEEE Xplore: 04 May 2020
ISBN Information:
Conference Location: San Diego, CA, USA

References

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