Room Temperature Masing using spin-defect centres

Jonathan Breeze (Inventor), Neil Alford (Inventor), Chris Kay (Inventor), Juna Sathian (Inventor), Enrico Salvadori (Inventor)

Research output: Patent


Apparatus for achieving masing at room temperature, the apparatus comprising: a microwave cavity which exhibits a resonance of sufficiently high Q-factor for maser oscillation; a resonator structure comprising a masing medium located within a resonant element, wherein the masing medium comprises spin-defect centres, the resonator structure being disposed within the microwave cavity; means for applying a magnetic field across the masing medium; an input of microwave radiation to be amplified, the input of microwave radiation being coupled to the resonator structure; and means for optically pumping the masing medium and thereby causing stimulated emission of microwave photons; wherein the microwave cavity has an effective magnetic mode volume matching the volume of the masing medium. A corresponding method for producing masing at room temperature is also provided.
Original languageEnglish
Patent numberWO2019021002
IPCH01S 1/06 (2006.01),H01S 1/02 (2006.01)
Priority date28/07/17
Filing date26/07/18
Publication statusPublished - 31 Jan 2019
Externally publishedYes


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