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DigiQuant project aims to shrink laser diodes

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Ams Osram, Fraunhofer IIS, and Toptica collaborate to shrink light sources for quantum and terahertz applications

Ams Osram, Fraunhofer IIS, and Toptica have announced a joint project called DigiQuant for digitalisation and miniaturisation of laser diode technology for quantum and terahertz applications.

Within the project, Ams Osram will develop new laser diodes suitable for hybrid integration of photonic waveguides and digital control electronics at Toptica. In parallel, Fraunhofer Institute for Integrated Circuits IIS and Toptica will investigate the miniaturisation of electronics in integrated circuits for digitised operation of any material class laser diodes from diverse manufacturers.

The resultant subsystem will be tested in two different applications: a quantum computer application and in an industrial application to readout a digital code with a hand-held scanner.

The hope is that these combined developments will enable the implementation of complex laboratory technology in portable and robust devices with high wall plug efficiency for industrial use and help to scale up quantum computers and take them from the basic research stage to market maturity.

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