Heterodyne detection of the complete electric field of femtosecond four-wave mixing signals

被引：139

作者：

Gallagher, SM ^{[1
]}

Albrecht, AW ^{[1
]}

Hybl, TD ^{[1
]}

Landin, BL ^{[1
]}

Rajaram, B ^{[1
]}

Jonas, DM ^{[1
]}

机构：

[1] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1998年 / 15卷 / 08期

关键词：

D O I：

10.1364/JOSAB.15.002338

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel optimized heterodyne method that recovers the complete electric field of any four-wave mixing signal at its point of origin is demonstrated. A tracer pulse is sent along the signal path and characterized at the sample by frequency-resolved optical gating. Spectral interferometry is used to determine the phase difference between the tracer and a reference pulse, the absorptive change in tracer phase in the sample, and the reference-signal phase difference. Together, these measurements allow calculation of the signal phase at the sample. The phase of three pulse-scattering signals from solutions of the infrared dye IR 144 in methanol determines the absolute signal-emission time within 0.5 fs. (C) 1998 Optical Society of America [S0740-3224(98)01108-4] OCIS codes: 320.7100, 190.4830, 300.6310.

引用

页码：2338 / 2345

页数：8

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