High-harmonic generation in amorphous solids

被引：173

作者：

You, Yong Sing ^{[1
]}

Yin, Yanchun ^{[2
,3
]}

Wu, Yi ^{[2
,3
]}

Chew, Andrew ^{[2
,3
]}

Ren, Xiaoming ^{[2
,3
]}

Zhuang, Fengjiang ^{[2
,3
]}

Gholam-Mirzaei, Shima ^{[3
]}

Chini, Michael ^{[3
]}

Chang, Zenghu ^{[2
,3
]}

Ghimire, Shambhu ^{[1
]}

机构：

[1] Stanford PULSE Inst, SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[2] Univ Cent Florida, CREOL, Inst Frontier Attosecond Sci & Technol, Orlando, FL 32816 USA

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

来源：

NATURE COMMUNICATIONS | 2017年 / 8卷

基金：

美国国家科学基金会;

关键词：

ULTRAVIOLET-RADIATION; SPECTROSCOPY; ELECTRONS; PULSES;

D O I：

10.1038/s41467-017-00989-4

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

High-harmonic generation in isolated atoms and molecules has been widely utilized in extreme ultraviolet photonics and attosecond pulse metrology. Recently, high-harmonic generation has been observed in solids, which could lead to important applications such as all-optical methods to image valance charge density and reconstruct electronic band structures, as well as compact extreme ultraviolet light sources. So far these studies are confined to crystalline solids; therefore, decoupling the respective roles of long-range periodicity and high density has been challenging. Here we report the observation of high-harmonic generation from amorphous fused silica. We decouple the role of long-range periodicity by comparing harmonics generated from fused silica and crystalline quartz, which contain the same atomic constituents but differ in long-range periodicity. Our results advance current understanding of the strong-field processes leading to high-harmonic generation in solids with implications for the development of robust and compact extreme ultraviolet light sources.

引用

页数：5

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