Dynamic study on self-modelocked Ti:sapphire femtosecond lasers

Shuicai Wang; Jianming Tang; Hao Li; Dong Xiao; Xun Hou

doi:10.1117/12.175846

16 May 1994 Dynamic study on self-modelocked Ti:sapphire femtosecond lasers

Shuicai Wang, Jianming Tang, Hao Li, Dong Xiao, Xun Hou

Proceedings Volume 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses; (1994) https://doi.org/10.1117/12.175846
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

With intracavity dispersion compensation for self-mode-locked or active mode-locking Ti:sapphire lasers, pulses as short as 56 fs can be directly produced. Using the results of recent experimental research, we present a theoretical analysis of solid-state Ti:sapphire femtosecond lasers. In our studies on the dynamics of self-mode-locked Ti:sapphire femtosecond lasers we used the analysis method of quantum theory. We have established a quantum mode-locked equation which describes the pulse shaping mechanism of Ti:sapphire lasers. Number density and the average value of the pulse field are obtained in a Schrodinger picture. After transforming the quantum mode-locked equation into a classical equation, we analyzed the gain medium characteristic, and we found that the curve of the net gain for the Ti:sapphire must have a hollow close to the output frequency. Furthermore, the pulse shaping mechanism has been examined.

Citation Download Citation

Shuicai Wang, Jianming Tang, Hao Li, Dong Xiao, and Xun Hou "Dynamic study on self-modelocked Ti:sapphire femtosecond lasers", Proc. SPIE 2116, Generation, Amplification, and Measurement of Ultrashort Laser Pulses, (16 May 1994); https://doi.org/10.1117/12.175846

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