Short Range Inter-Datacenter Transmission with Carrier Delivery and Remote Modulation for 112 Gb/s PM-QPSK Signals

Santiago Echeverri, Alvaro Morales Vicente, Juan Sebastián Rodríguez Páez, Simon Rommel, Saul Omar Vazquez Sanchez, Juan José Vegas Olmos, Johan Jacob Mohr, Steen Bak Christensen, Idelfonso Tafur Monroy

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Abstract

The increasing demand for bandwidth in datacenter interconnect links is currently driving a transition towards four level pulse-amplitude modulation (PAM-4) as the de facto modulation format. Nevertheless, other schemes with even higher spectral efficiency will be required in the future given the challenges of increasing baud rate or number of channels. As enabling technology, we propose and demonstrate a coherent link concept inspired from passive optical networks (PON) where carrier delivery and remote modulation are used to achieve single wavelength transmission of polarization multiplexing quadrature phase shift keying (PM-QPSK) at 112 Gb/s in channels of 5 and 10 km single mode fiber (SMF). By using a single laser for modulation and local oscillator the required complexity of digital signal processing is reduced in comparison to traditional digital coherent links.
Original languageEnglish
Title of host publicationProceedings of the 19th International Conference on Transparent Optical Networks
Number of pages4
PublisherIEEE
Publication date2017
ISBN (Print)978-1-5386-0859-3
DOIs
Publication statusPublished - 2017
Event19th International Conference on Transparent Optical Networks - Girona, Spain
Duration: 2 Jul 20176 Jul 2017

Conference

Conference19th International Conference on Transparent Optical Networks
CountrySpain
CityGirona
Period02/07/201706/07/2017

Keywords

  • Coherent communications
  • Fiber optics links and subsystems
  • Remote modulation
  • Carrier delivery
  • Short reach coherent.

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