Octave-spanning spectrum generation in Ti: sapphire oscillator

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Abstract
A Ti: sapphire oscillator emitting an octavespanning spectrum that ra nges from 460nm to 1000nm is demonstrated. To our knowledge, it is the first tim e that a supercontinuum extending beyond 500nm in the blue end is generated from a femtosecond oscillator. The selfQswitched and selfmodelocked Ti: sapphi re oscillator uses chirped mirrors and a prism pair for dispersion compensation. Th ese results will make the measurement of carrierenvelope offset frequency simp ler and improve the stability of optical frequency metrology at the same time.

Keywords:
supercontinuum /

chirped mirror /

selfQswitching and selfmodelocking /

Ti: sa pphire oscillator
Authors and contacts
Wang Zhuan,

Wang Qing-Yue,

Han Ying-Kui,

Cao Shi-Ying,

Zhang Zhi-Gang,

Chai Lu

1.
天津大学精密仪器与光电子工程学院超快激光研究室,光电信息技术科学教育部重点实验室,天津 300072
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