Ding, Ming, Murugan, Ganapathy Senthil, Brambilla, Gilberto and Zervas, Michalis N.
Whispering gallery mode selection in optical bottle microresonators
Applied Physics Letters, 100, (8), . (doi:10.1063/1.3688601).
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We demonstrated a method to excite selected whispering gallery modes in optical bottle microresonators (BMR) by inscribing microgroove scars on their surface by focused ion beam milling. Substantial spectral clean-up is obtained in appropriately scarred BMRs, providing the potential for high performance sensors and other optical devices.
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