Title :
Broadband parametric frequency combs with sub-100-GHz repetition rates
Author :
Johnson, Adrea R. ; Okawachi, Yoshitomo ; Levy, Jacob S. ; Cardenas, Jaime ; Saha, Kasturi ; Lipson, Michal ; Gaeta, Alexander L.
Author_Institution :
Sch. of Appl. & Eng. Phys., Cornell Univ., Ithaca, NY, USA
Abstract :
We demonstrate comb generation with spacings of 80, 40, and 20 GHz using cascaded parametric oscillation in silicon-nitride spiral microresonators. Our measurements indicate that the comb linewidth is due to fluctuations in the pump power.
Keywords :
micro-optomechanical devices; micromechanical resonators; optical parametric oscillators; optical pumping; optical resonators; silicon compounds; Si3N4; broadband parametric frequency combs; cascaded parametric oscillation; comb linewidth; frequency 20 GHz; frequency 40 GHz; frequency 80 GHz; pump power; repetition rates; silicon-nitride spiral microresonators; Optical mixing; Optical pumping; Optical ring resonators; Radio frequency; Resonant frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
