High-harmonic generation in ZnO driven by self-compressed mid-infrared pulses

被引：10

作者：

Gholam-Mirzaei, Shima ^{[1
]}

Beetar, John E. ^{[1
]}

Chacon, Alexis ^{[3
]}

Chini, Michael ^{[1
,2
]}

机构：

[1] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[2] Univ Cent Florida, Coll Opt & Photon, CREOL, Orlando, FL 32816 USA

[3] Los Alamos Natl Lab, Div Theoret, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2018年 / 35卷 / 04期

关键词：

PHASE MODULATION; OPTICAL PULSES; SOLIDS; BULK; INTERFEROMETRY; MOLECULES; DYNAMICS; MEDIA;

D O I：

10.1364/JOSAB.35.000A27

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Progress in attosecond science has relied on advancements in few-cycle pulse generation technology and its application to high-order harmonic generation. Traditionally, self-phase modulation in bulk solids has been used for the compression of moderate-energy pulses, additionally exhibiting favorable dispersion properties for mid-infrared (mid-IR) pulses. Here, we use the anomalous dispersion of Y3Al5O12 (YAG) to self-compress many-cycle pulses from a 50 kHz mid-IR OPA down to produce sub-three-cycle 10 mu J pulses and further use them to generate high-order harmonics in a ZnO crystal. In agreement with theoretical predictions, we observe a boost in the harmonic yield by a factor of two, and spectral broadening of above-gap harmonics, compared to longer driving pulses. The enhanced yield results from an increase in the intensity for the self-compressed pulses. (C) 2018 Optical Society of America

引用

页码：A27 / A31

页数：5

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