Multicolour laser locks onto high-speed signals of interest, all on a photonics chip
The so-called sub-terahertz frequency range is of critical importance to growing applications in high-speed wireless communications, radars, remote sensing and biomedical and security imaging. With the explosion of photonics integrated circuits (PICs), the potential of sub-THz on-chip devices is tremendous, but their uptake is facing certain important challenges. The EU-funded COLOR-UP project plans to remove one of these roadblocks through the innovative use of multi-colour lasers to deliver on-chip frequency filters performing in the desired range and beyond. They will be showcased in a PIC designed to emit light in the telecommunications frequency range.
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