Single-shot detection and direct control of carrier phase drift of midinfrared pulses

被引：35

作者：

Manzoni, Cristian ^{[1
]}

Foerst, Michael ^{[1
]}

Ehrke, Henri ^{[1
]}

Cavalleri, Andrea ^{[1
]}

机构：

[1] Univ Hamburg, Max Planck Res Grp Struct Dynam, Ctr Free Electron Laser Sci, DESY, D-22607 Hamburg, Germany

来源：

OPTICS LETTERS | 2010年 / 35卷 / 05期

关键词：

FIELD-RESOLVED DETECTION; ENVELOPE PHASE; ELECTROMAGNETIC PULSES; TERAHERTZ PULSES; GENERATION; EXCITATION; FRONT;

D O I：

10.1364/OL.35.000757

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We introduce a scheme for single-shot detection and correction of the carrier-envelope phase (CEP) drift of femtosecond pulses at mid-IR wavelengths. Difference frequency mixing between the mid-IR field and a near-IR gate pulse generates a near-IR frequency-shifted pulse, which is then spectrally interfered with a replica of the gate pulse. The spectral interference pattern contains shot-to-shot information of the CEP of the mid-IR field, and it can be used for simultaneous correction of its slow drifts. We apply this technique to detect and compensate long-term phase drifts at 17 mu m wavelength, reducing fluctuations to only 110 mrad over hours of operation. (C) 2010 Optical Society of America

引用

页码：757 / 759

页数：3

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