| Carrier-envelope phase passively stabilized near-infrared laserpulses from a dual-frequency pumped noncollinear opticalparametric amplifier |
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| 基金项目： | This work was partly supported by the National Key Technology R＆D Program of the Ministry of Science and Technology （2012BAC23B03）, National Key Basic Research Pro- gram of China （2013CB922401）, and the National Natural Science Foundation of China （11074298, 60878020）. |
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| 摘 要： | By inversing the signal and idler in a two-stagenoncollinear optical parametric amplifier which is, respec-tively, pumped by the second harmonic and fundamentalwave of femtosecond Ti：sapphire laser at repetition rate of1 kHz, the carrier-envelope phase （CEP） passively stabilizedpulses with a tunable wavelength from 1.1 to 1.6 μm areobtained with maximum energy of95 μJat 1.3 μm underthepump energy ofS00 μJ. The CEP jitter of pulses is 108 mradmeasured by anf-2finterferometer. This work demonstratesa new way to efficiently generate tunable near-infraredfemtosecond laser pulses with self-stabilized CEP.
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| 关 键 词： | Noncollinear optical parametricamplifier Femtosecond laser Carrier-envelopephase CEP jitter |
Carrier-envelope phase passively stabilized near-infrared laser pulses from a dual-frequency pumped noncollinear optical parametric amplifier |
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| Authors: | Shuyan Guo Weijun Ling Hao Teng Wei Zhang Lifeng Wang Zhiyi Wei |
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| Institution: | 1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
2. Department of Physics, Tianshui Normal University, Tianshui, 741001, Gansu, China
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| Abstract: | By inversing the signal and idler in a two-stage noncollinear optical parametric amplifier which is, respectively, pumped by the second harmonic and fundamental wave of femtosecond Ti:sapphire laser at repetition rate of 1 kHz, the carrier-envelope phase (CEP) passively stabilized pulses with a tunable wavelength from 1.1 to 1.6 μm are obtained with maximum energy of 95 μJ at 1.3 μm under the pump energy of 500 μJ. The CEP jitter of pulses is 108 mrad measured by an f-2f interferometer. This work demonstrates a new way to efficiently generate tunable near-infrared femtosecond laser pulses with self-stabilized CEP. |
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| Keywords: | Noncollinear optical parametric amplifier Femtosecond laser Carrier-envelope phase CEP jitter |
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