Spin bath maser in a cryogenically cooled sapphire whispering gallery mode resonator

Hybrid electron spin resonance and whispering gallery mode resonance spectroscopy of Fe3+in sapphire

(2013) Karim Benmessai et al.   PHYSICAL REVIEW B

Controlling the frequency-temperature sensitivity of a cryogenic sapphire maser frequency standard by manipulating Fe3+spins in the sapphire lattice

(2012) K. Benmessai et al.   PHYSICAL REVIEW B

Four-Wave Mixing fromFe3+Spins in Sapphire

(2012) Daniel L. Creedon et al.   PHYSICAL REVIEW LETTERS

High-power solid-state sapphire whispering gallery mode maser

(2010) D.L. Creedon et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Cavity QED with an ultracold ensemble on a chip: Prospects for strong magnetic coupling at finite temperatures

(2010) Kathrin Henschel et al.   PHYSICAL REVIEW A

Measurement of the Fundamental Thermal Noise Limit in a Cryogenic Sapphire Frequency Standard Using Bimodal Maser Oscillations

(2008) Karim Benmessai et al.   PHYSICAL REVIEW LETTERS