B

Beta Barium Borate (BBO) crystal

Tool / Product

Crystal used to clone photons and carry which-way information in the classic delayed-choice quantum eraser setup.

Mentioned in 1 video

We Were WRONG About the Quantum Eraser! ft. @LookingGlassUniverse​

We Were WRONG About the Quantum Eraser! ft. @LookingGlassUniverse​

PBS Space Time

Crystal used to clone photons and carry which-way information in the classic delayed-choice quantum eraser setup.