Low-threshold tunable CW and Q-switched fibre laser operating at 1.55 μm Mears, R. J. ; Reekie, L. ; Poole, S. B. ; Payne, D. N. Abstract Publication: Electronics Letters Pub Date: January 1986 DOI: 10.1049/el:19860111 Bibcode: 1986ElL....22..159M