Title :
Observation of a bimodal behavior in a Whispering Gallery mode maser oscillator
Author :
Benmessaï, K. ; Creedon, D.L. ; Bourgeois, P.-Y. ; Bazin, N. ; Tobar, M.E. ; Kersalé, Y. ; Giordano, V.
Author_Institution :
Dept. LPMO, UMR 6174 CNRS-Univ. de Franche-Comte, Besancon
Abstract :
We report in this paper the first observation of bimodal maser operation in a whispering gallery (WG) mode oscillator. The characteristics of the maser are discussed under operation in both the single and bimodal regimes. A stability measurement of the difference frequency between the maser doublet signals revealed operation for the first time at the fundamental thermal noise limit of the maser.
Keywords :
circuit noise; circuit stability; masers; microwave measurement; microwave oscillators; modal analysis; thermal noise; whispering gallery modes; bimodal behavior; difference frequency; fundamental thermal noise limitation; maser characteristics; stability measurement; whispering gallery mode maser oscillator; Copper; Frequency measurement; Gold; Magnetic separation; Magnetic shielding; Masers; Oscillators; Power generation; Temperature; Whispering gallery modes;
Conference_Titel :
Frequency Control Symposium, 2008 IEEE International
Conference_Location :
Honolulu, HI
Print_ISBN :
978-1-4244-1794-0
Electronic_ISBN :
1075-6787
DOI :
10.1109/FREQ.2008.4623023
