Experimental set-up, OIST
The rubidium atoms are trapped around the optical nanofiber and absorb light of wavelength 780 nm and 776 nm that has leaked out of the nanofiber. This effect can be used to create on/off switches.
Free for anyone to re-use, but must be credited to OIST.
This work is licensed under a Creative Commons Attribution 2.0 Generic License.