Title :
Ultrahigh-finesse, bidirectional Er-doped fibre ring resonator
Author :
Okamura, Hiroyuki ; Iwatsuki, Katsumi
Author_Institution :
NTT Transmission Syst. Labs., Kanagawa, Japan
Abstract :
A bidirectional Er-doped fibre ring resonator is proposed that yields a measured unidirectional resonator finesse of over 500, and bidirectional operation confirms the vernier effect. This result indicates that finesse enhancement up to approximately 10000 is achieved.
Keywords :
erbium; fibre lasers; laser cavity resonators; ring lasers; Er 3+-doped fibre; bidirectional operation; fibre ring resonator; finesse enhancement; unidirectional resonator finesse; vernier effect;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920202
