I am currently working on a home project which is a computer which will be capable of doing basic quantum computations (my first goal is a random-number generator) based on optical devices. Nowadays I am searching for ways to make a small quantum memory (I would be very happy with even 1 qubit). Then my problem rises: How could I create a qubit which I could store information with? I came across various publications about the usefulness of doped Yttrium orthovanadate crystals at cryogenic temperatures etc... so I am aware of several methods but I would like to find a bit easier method if it is possible. If you know any easier way please help me out a bit.
My current capabilities(if it helps):
- Cryogenic temperatures for small volumes (with peltier cooling)
- Manufacturing integrated devices on silicon wafers (with photolithographic methods)
- Synthesizing CdSe, carbon and graphene quantum dots
But it's obvious that I can't handle single atoms or manipulate things precisely in a nanometer scale. If it's absolutely necessary, I can use a scanning electron microscope (Obviously it is not mine).Note: my question is not only for optical devices.