Objectives:

To design and fabricate blue VCSELs to be flip-chip bonded to the Lithium Niobate on Insulator (LNOI) platform.

• Task 1.1: Blue VCSEL with transverse single mode emission by small aperture
  Lead: Chalmers
• Task 1.2: Blue VCSEL with higher transverse single mode and polarization stable emission power by larger apertures combined with transversely localized subwavelength gratings
  Lead: Chalmers
• Task 1.3: Single mode and polarization stable VCSEL array with different lasing wavelengths
  Lead: Chalmers

Objectives:

Develop

1. Low-loss LNOI platform at blue wavelengths;
2. Blue-light electro-optic (E/O) modulator on LNOI;
3. Phase shifter array and MZM array on LNOI platform;
4. Blue OPAs;
5. On-chip beam expander;
6. Large-scale DACs.

• Task 2.1: Development of thin-film LNOI platform at blue wavelengths
  Lead: DTU
• Task 2.2: Integrated blue OPA for dynamic 2D beam steering
  Lead: DTU
• Task 2.3: Integrated blue OPA for wavefront shaping
  Lead: DTU
• Task 2.4: Large-scale arrays of DACs
  Lead: TU/e

Objectives:

1. To ensure that the integration and packaging engines are compatible with high-volume production;
2. To develop numerical models and simulate optical, electrical, mechanical, and thermal behaviour of the envisioned prototypes, and package modules for functional testing;
3. To design efficient modulation and coding schemes ensuring long-range reliable communication under varying channel conditions;
4. To design efficient pointing-acquisition-tracking (PAT) protocols for initiating link establishment using OPA and maintaining beam alignment for mobile units;
5. To develop efficient low-complexity computational methods to mitigate oceanic turbulence;
6. To carry out in-lab experimental verification of the proposed transmission schemes and techniques.

• Task 3.1: Development of integration and packaging engine for integrated systems
  Lead: PHIX
• Task 3.2: Integration and packaging of prototype modules
  Lead: PHIX
• Task 3.3: Design of efficient modulation and channel coding schemes for UOWC links
  Lead: ECM
• Task 3.4: PAT protocols ensuring beam alignment under challenging pointing-error conditions
  Lead: ECM
• Task 3.5: Oceanic turbulence mitigation
  Lead: ECM
• Task 3.6: Experimental verification of the proposed methods under emulated lab conditions
  Lead: ECM

Lead: DTU

Objectives:

1. Raise awareness of the project results;
2. Identify and define exploitation activities and strategies;
3. IPR protection and exploitation of the breakthrough technologies developed;
4. Ensure data availability where appropriate. 

• Task 4.1: Communication and dissemination plan
• Task 4.2: Post-project exploitation plan
• Task 4.3: Management and protection of IPR
• Task 4.4: Data management plan

Lead: DTU

Objectives:

1. To ensure an efficient administrative execution ;
2. To assess the project progress and achieve timely submission of the project´s financial and scientific reports;
3. To ensure compliance with the CA and EC requirements. 

• Task 5.1: Project management and coordination
• Task 5.2: Risk management and contingency planning
• Task 5.3: Project meetings and Consortium communication
• Task 5.4: Periodic reporting

Lead: INL

Objectives:

1. Subwavelength metasurfaces for blue light correction optics;
2. Fabrication-aware inverse design methods for topological optimization of metasurface correction optics;
3. Large aperture metasurface devices. 

• Task 6.1: Design of efficient metasurface correction optics
• Task 6.2: Integrated blue light metasurface optics