Femtosecond laser writing of integrated photonic circuits in diamond Giulio Coccia, Argyro N. Giakoumaki, Vibhav Bharadwaj, Ottavia Jedrkiewicz, Roberta Ramponi and Shane M. Eaton EPJ Web Conf., 255 (2021) 12006 Published online: 18 November 2021 DOI: 10.1051/epjconf/202125512006