Skip to main content
Go to the home page of the European Commission (opens in new window)
English en
CORDIS - EU research results
CORDIS

Photonic Integrated Microcombs as Multi-wavelength Sources for Edge Data Centers

Project description

Unlocking microcomb potential for faster interconnects in next-generation data centres

Optical frequency microcombs are optical devices that generate very sharp and equidistant frequency lines in a tiny microphotonic chip. These chip-scale versions were first demonstrated over a decade ago, enabling new applications in LIDAR, sensing, timekeeping and optical communications. Building on recent advances in silicon nitride (Si3N4) waveguides, researchers from the Swiss Federal Institute of Technology Lausanne (EPFL) have already demonstrated a compact, high-performance (100 GHz comb spacing) integrated Si3N4 microcomb. EU funding of the PhoMEC project will help EPFL researchers commercialise the newly developed technology as it has been limited to the laboratory until now. Researchers view this technology as a promising light source in data centres, where the need for higher-speed interconnects is growing.

Objective

Over the past ten years the Laboratory of Photonics and Quantum Measurements (LPQM) has developed and pioneered microcombs – photonic integrated optical frequency combs (OFC), providing access to equidistant optical carriers. Due to their broad bandwidth, high repetition rates, compactness and wafer-scale fabrication, such microcombs represent a novel disruptive technology with a proven track record. While their advantages were shown in ultrafast ranging (LIDAR), high-speed coherent telecommunications, as well as chip-scale atomic clocks and frequency synthesizers, the technology is not yet commercially available and only present in a few research laboratories worldwide.
Recent LPQM advances have led to the development of unique proprietary Si3N4 microfabrication processes for ultra-low-power microcombs, and allowed in-house photonic packaging. Taken together the laboratory is now able to implement full-cycle production of a packaged microcomb ready for the integration into a commercial product.
We aim to bring the technology to the market by building and promoting a rack-mountable microcomb unit with 100 GHz channel spacing matching the ITU frequency grid over C- and L- telecom bands. The key market segments of the proposed microcomb unit are enterprise and edge data centers, facing growing data traffic and requiring WDM sources for high-speed interconnects. The product will be tested in collaboration with Microsoft UK in an actual data center application as a WDM source for optical circuit switching. We also plan to showcase the technology to Huawei and Nokia Bell Labs who expressed interest in testing. Beyond field-testing with industry partners, the system will be shown at international industry trade fairs to address key stakeholders. The project aims to incorporate a dedicated startup to exploit the technologies. The IP position that EPFL has developed in microcombs and the recent spin-off LIGENTEC that offer SiN foundry service, make this endeavor realistic.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

ERC-POC-LS - ERC Proof of Concept Lump Sum Pilot

See all projects funded under this funding scheme

Call for proposal

(opens in new window) ERC-2019-PoC

See all projects funded under this call

Host institution

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
Net EU contribution
€ 150 000,00
Address
BATIMENT CE 3316 STATION 1
1015 Lausanne
Switzerland
Region
Schweiz/Suisse/Svizzera Région lémanique Vaud
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (1)