Continuous-wave supercontinuum laser based on an erbium-doped fiber ring cavity incorporating a highly nonlinear optical fiber

2005 ◽  
Vol 30 (19) ◽  
pp. 2599 ◽  
Author(s):  
Ju Han Lee ◽  
Yuichi Takushima ◽  
Kazuro Kikuchi
Keyword(s):  
Optical Fiber ◽  
Nonlinear Optical ◽  
Continuous Wave ◽  
Ring Cavity ◽  
Fiber Ring ◽  
Highly Nonlinear ◽  
Erbium Doped ◽  
Supercontinuum Laser

Spectral broadening due to intra-cavity four-wave mixing at low pump powers in erbium-doped fiber ring laser

2014 ◽  
Vol 28 (12) ◽  
pp. 1442008 ◽  
Author(s):  
Suchita ◽  
Soham Sarbadhikari ◽  
R. Vijaya
Keyword(s):  
Wavelength Range ◽  
Ring Laser ◽  
Ring Cavity ◽  
Optical Nonlinearity ◽  
Four Wave Mixing ◽  
Wave Mixing ◽  
Fiber Ring Laser ◽  
Fiber Ring ◽  
Highly Nonlinear ◽  
Erbium Doped

In this paper, we present the experimental results of multi-pump-induced four-wave mixing (FWM) in erbium-doped fiber ring laser (EDFRL) in the wavelength range of 1560–1600 nm. The required multiple pumps are generated within the ring cavity by an appropriate choice of the wavelength range of operation with a suitable length of erbium-doped fiber. By introducing the optical nonlinearity with specialty fibers such as the highly nonlinear fiber (HNLF) and dispersion shifted fiber (DSF), FWM processes occurring in the laser are studied at low powers of the pump laser at 980 nm. The prevalent FWM theory is improved to interpret the two-pump and four-pump-induced side band generation in the first- and second-orders, after including the effect of phase mismatch at the wavelengths used in the experiments.

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