Inhibition of linear absorption in opaque materials using phase-locked harmonic generation

被引：49

作者：

Centini, Marco ^{[1
]}

Roppo, Vito ^{[2
,4
]}

Fazio, Eugenio ^{[1
]}

Pettazzi, Federico ^{[1
]}

Sibilia, Concita ^{[1
]}

Haus, Joseph W. ^{[3
]}

Foreman, John V. ^{[4
,5
]}

Akozbek, Neset ^{[4
]}

Bloemer, Mark J. ^{[4
]}

Scalora, Michael ^{[4
]}

机构：

[1] Univ Roma La Sapienza, Dipartimento Energet, Rome, Italy

[2] Univ Politecn Cataluna, Dept Fis & Engn Nucl, Terrassa 08222, Spain

[3] Univ Dayton, Electroopt Program, Dayton, OH 45469 USA

[4] USA, Aviat & Missile Command, Charles M Bowden Res Facil, Redstone Arsenal, AL 35803 USA

[5] Duke Univ, Dept Phys, Durham, NC 27708 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.101.113905

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We theoretically predict and experimentally demonstrate inhibition of linear absorption for phase and group velocity mismatched second- and third-harmonic generation in strongly absorbing materials, GaAs, in particular, at frequencies above the absorption edge. A 100-fs pump pulse tuned to 1300 nm generates 650 and 435 nm second- and third-harmonic pulses that propagate across a 450-mu m-thick GaAs substrate without being absorbed. We attribute this to a phase-locking mechanism that causes the pump to trap the harmonics and to impress on them its dispersive properties.

引用

页数：4

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