Electromagnetically induced transparency on a single artificial atom.
We present experimental observation of electromagnetically induced transparency (EIT) on a single macroscopic artificial "atom" (superconducting quantum system) coupled to open 1D space of a transmission line. Unlike in an optical media with many atoms, the single-atom EIT in 1D space is revealed in suppression of reflection of electromagnetic waves, rather than absorption. The observed almost 100% modulation of the reflection and transmission of propagating microwaves demonstrates full controllability of individual artificial atoms and a possibility to manipulate the atomic states. The system can be used as a switchable mirror of microwaves and opens a good perspective for its applications in photonic quantum information processing and other fields.
Abdumalikov
A A
AA
RIKEN Advanced Science Institute, Wako, Saitama 351-0198, Japan. abdumalikov@zc.jp.nec.com
Astafiev
O
O
Zagoskin
A M
AM
Pashkin
Yu A
YA
Nakamura
Y
Y
Tsai
J S
JS