The Optical Networking and Communication
Conference & Exhibition

San Diego Convention Center,
San Diego, California, USA

Trends and Perspectives in Space-division Multiplexed Transmission and Related Devices

Sunday, March 8, 2020
4:00 PM - 6:30 PM

Room number: 6E


Roland Ryf, Nokia Bell Labs, USA; Sergio Leon-Saval, University of Sydney, Australia; Cristian Antonelli, University of L’Aquila, Italy


Almost a decade has passed since the advent of a capacity crunch in fiber-optic transport networks was envisaged, and for as long increasingly encouraging results on Space-division Multiplexed (SDM) transmission over multi-mode and multi-core fibers have been reported from around the globe. These fibers have the potential of scaling the capacity of fiber-optic links while reducing the cost per bit and constitute a space-effective alternative to the use of parallel single-mode fibers. Nonetheless, the evolution of SDM is somehow controversial. In fact, on one hand, a clear case for SDM fibers has not yet been made, for reasons that seem to go well beyond the technological gaps that still have to be filled. On the other hand, a major internet company has recently announced that its latest submarine cable systems implement SDM technologies, while the Italian University of L’Aquila has deployed the first testbed based on SDM fibers. This workshop aims to stimulate an open discussion on future opportunities for massive parallel  transmission systems based either on multiple single-mode fibers or on multi-core and multi-mode fibers between key players in the fiber-optic industry, including fiber manufacturers, systems, sub-systems, and components producers, as well as other possible uses of SDM technologies and devices for related optical fields. The workshop is organized in three sections, two addressing specific aspects and challenges in SDM transmission and devices, and the last section highlighting opportunities for SDM technologies in other areas.

S1. SDM Deployments
One of the key questions addressed in this section is what is preventing the transition from single-mode fibers to new fiber types. Is there room for the deployment of SDM fibers in the next-decade road map of optical communications? How important is it to deploy SDM testbeds to bring SDM transmission technology out of lab research?

S2. Integration for SDM
Independently of the fiber used for transmission, scaling the capacity of a transmission system will require the availability of cost effective devices that can support large number of parallel channels. In this section we will hear from industry experts about current and future efforts on transceivers, optical amplifiers and optical switches to support massive parallel optical channels.

S3. Applications of SDM Transmission Devices beyond Fiber-optic Communications
The improvement and development of multicore fibers and mode multiplexing devices driven by research on SDM transmission systems have prompted their use on different areas of science. This section will showcase three non SDM communications intensive areas of research in which SDM devices are making a significant difference.


S1 Speakers
Pierre Sillard; Prysmian Group, France
Tetsuya Hayashi; Sumitomo Electric, Japan
Ruben Soares Luis; NICT, Japan
Sergejs Makovejs; Corning, USA

S2 Speakers
Guilhem de Valicourt; IPG Photonics, USA
Hitoshi Takeshita; NEC, Japan
David Neilson; Nokia Bell Labs, USA

S3 Speakers
Sarah Tedder; NASA Glenn Research Center, USA
Photonic Lanterns for Laser Satellite Communications

Nemanja Jovanovic, Caltech Optical Observatories, USA 
Mode Converters and Multicore Fibers for Astronomy

Ivana Gasulla; Universidad Politécnica de Valencia, Spain
Multicore and Few-mode Fibres for Microwave Photonics

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