RETRACTED - Characterization and Mode-Locking of Erbium-Doped Fiber Laser for Ultra-Short Pulse Generation. Patan Prospective J. [Internet]. 2023 Oct. 9 [cited 2026 Jul. 20];3(01):81-98. Available from: https://www.nepjol.info/index.php/ppj/article/view/58947