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Continuous-wave lasing of hybrid lasers

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1 Author(s)
Li Yan ; Dept. of Comput. Sci. & Electr. Eng., Maryland Univ., Baltimore, MD, USA

The continuous-wave (CW) lasing of hybrid lasers, which contain a broad-band inhomogeneously broadened laser medium and a narrow-band homogeneously broadened laser medium in a single cavity, is analyzed theoretically. The interactions of the laser modes and two gain media are solved self-consistently using the coupled rate equations. The spectral, gain, and power characteristics under different gain conditions are simulated. It is shown that a small gain from a second narrowband laser medium can effectively shape the lasing spectrum and improve the spectral concentration of the hybrid laser. The total saturated gain profile of the hybrid laser is relatively smooth, due to saturation of the gain of the narrow-band medium to a smaller and below-threshold level

Published in:

IEEE Journal of Quantum Electronics  (Volume:33 ,  Issue: 7 )