quant-ph
Hole burning experiments and modeling in erbium-doped silica glass fibers down to millikelvin temperatures: evidence for ultra-long population storage
Mahdi Bornadel Sara Shafiei Alavijeh Farhad Rasekh Nasser Gohari Kamel Faezeh Kimiaee Asadi Erhan Saglamyurek Daniel Oblak Christoph Simon