Abstract

The theory of homogeneously broadened four level fiber lasers, which use fiber loops as distributed reflective elements, is examined. Such cavities can be made entirely from rare earth doped fiber. The amplifying characteristics of doped fiber loops are examined. The threshold pump power and the loop reflectivity necessary to optimize the lasing output power from an oscillator formed from two loops in series are predicted.

© 1989 Optical Society of America

Linearly polarized Er³⁺-doped fiber laser by use of a fiber loop polarizer and a wavelength-selective fiber loop reflector

Katsumi Morishita and Masaaki Itakura
Appl. Opt. 37(21) 4797-4800 (1998)

A Nd³⁺-doped cw fiber laser using all-fiber reflectors

Iain D. Miller, David B. Mortimore, Paul Urquhart, B. James Ainslie, Susan P. Craig, Colin A. Millar, and David B. Payne
Appl. Opt. 26(11) 2197-2201 (1987)

Stable multi-wavelength fiber laser with single-mode fiber in a Sagnac loop

Pinghe Wang, Lei Wang, Guohua Shi, Tiejun He, Heping Li, and Yong Liu
Appl. Opt. 55(12) 3339-3342 (2016)

Slope efficiency over 30% single-frequency ytterbium-doped fiber laser based on Sagnac loop mirror filter

Mojuan Yin, Shenghong Huang, Baole Lu, Haowei Chen, Zhaoyu Ren, and Jintao Bai
Appl. Opt. 52(27) 6799-6803 (2013)

Diverse mode of operation of an all-normal-dispersion mode-locked fiber laser employing two nonlinear loop mirrors

Sourav Das Chowdhury, Atasi Pal, Sayan Chatterjee, Ranjan Sen, and Mrinmay Pal
Appl. Opt. 57(5) 1225-1230 (2018)