Real-space observation of spectral degeneracy breaking in a waveguide-coupled disk microresonator. - Blaize, Sylvain; Gesuele, Felice; Stefanon, Ilan; Bruyant, Aurélien; Lérondel, Gilles; Royer, Pascal; Martin, Bruno; Morand, Alain; Benech, Pierre; Fedeli, Jean-Marc (Optics Letters, 2010)