At a Glance
- Photon pair source for quantum technologies based on HHI's hybrid integration platform PolyBoard
Technical Background
The PolyBoard wafer technology, featuring hybrid integration and a micro-optical bench, enables the implementation of photonic integrated circuits for quantum technologies, including photon-pair cources with hybrid integrated nonlinear crystals.
Details:
- Down-conversion of 775 nm to 1550 nm using ppKTP crystal, TE/TM separation by a polarisation beam splitter (PBS).
- Other types of crystals can also be utilized.
Features
- Fiber-coupled nonlinear crystals baded on hybrid integration
- Spontaneous parametic down-conversion (SPC) using nonlinear crystals
- Polarization handling on PIC
- Temperature stabilization
Applications
- Quantum communications
- Quantum processors
- Quantum sensing
