SubsidieMeestersUniversal frequency-comb platform for datacenter communications
The project aims to unify InAs/GaAs quantum-dot and microresonator-based comb lasers into a chip-scale platform to enhance datacom capacity and efficiency by 2028.
Projectdetails
Introduction
By 2028, it is expected that overall datacom capacity will reach 100,000 Petabit/s, corresponding to 1 billion 100-Gbps equivalent SerDes shipments, and several hundred million O-band CW laser wavelength lines (25/50/100 Gbaud PAM4/PAM8). Comb lasers are an ideal technology platform for compact WDM solutions with the high throughput required by the growing needs of the datacom industry.
Current Technologies
Currently, two compact comb-laser technologies stand out as promising platforms for datacom light sources:
- InAs/GaAs quantum-dot based comb lasers
- Microresonator-based Kerr combs
The project, facilitated by the fundamental complementarity of both technologies, will strive towards their unification in one versatile chip-scale comb platform. This platform will cover the full range of WDM spacings (ultra-dense to coarse) and address key challenges of the datacenter market, including:
- Power efficiency
- Harsh operating environment (85°C)
- Scalability
Competitive Advantage
The competitive advantage is based on current world-leading technologies of QD comb lasers and microcombs being commercialized by the partners. This includes the results of the originating H2020 CALADAN and PHOENICS projects, as well as novel features such as:
- Chirped-DBR comb laser
- Comb SOA
- Evanescent coupling to SiP
Project Goals
The goals of the project are:
- To develop a novel design and technological process of CW comb laser PIC fabrication with enhanced mode stability and ultra-low noise.
- To develop 2 prototypes of GaAs/SiN-on-SiP comb PIC, including:
- 1.3-m comb laser
- Evanescent coupling to SiP substrate
- Comb-SOA:
- QD chirped DBR comb for UDWDM/DWDM
- Microcomb for DWDM/CWDM
Consortium
The consortium consists of:
- Innolume (world market leader in InAs/GaAs QD)
- Dublin City University (high-speed communications)
- Enlightra (associated partner, startup established in 2021, world's first commercial optical comb with large frequency spacing 100-1000 GHz)
This consortium combines scientific expertise with experience in translating ideas into products and scaling them.
Financiële details & Tijdlijn
Financiële details
| Subsidiebedrag | € 2.499.998 |
| Totale projectbegroting | € 2.499.998 |
Tijdlijn
| Startdatum | 1-11-2023 |
| Einddatum | 30-4-2026 |
| Subsidiejaar | 2023 |
Partners & Locaties
Projectpartners
- INNOLUME GMBHpenvoerder
- DUBLIN CITY UNIVERSITY
- ENLIGHTRA SARL
Land(en)
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Highly-Efficient Seeded Frequency Comb Generation on a ChipThe COMBCHIP project aims to create an ultra-efficient, chip-scale optical frequency comb generator using nonlinear AlGaAs waveguides for advanced applications like atomic clocks and spectroscopy. | ERC POC | € 150.000 | 2023 | Details |
Widely Tunable Soliton Microcomb ChipThe ELASTIC project aims to develop low-power, highly tunable DKS microcombs using AlGaAsOI technology to enhance performance for advanced applications like LiDAR and wavelength-division multiplexing. | ERC POC | € 150.000 | 2025 | Details |
Photonic molecule microcombs
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