ScienceAlert: Scientists Have Made a Quantum Encryptor 1,000 Times Smaller Than
What Came Before.
[1]https://www.sciencealert.com/scientists-have-made-a-quantum-chip-that-s-1-000
-times-smaller-than-before

References

   1. https://www.sciencealert.com/scientists-have-made-a-quantum-chip-that-s-1-000-times-smaller-than-before