Two-Way Photonic Interface for Linking the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:msup><mml:mi>Sr</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> Transition at 422 nm to the Telecommunication <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>C</mml:mi></mml:math> Band
Physical review applied