Ultrafast Coherent Dynamics of a Photonic Crystal All-Optical Switch

被引：33

作者：

Colman, Pierre ^{[1
,2
]}

Lunnemann, Per ^{[1
]}

Yu, Yi ^{[1
]}

Mork, Jesper ^{[1
]}

机构：

[1] Tech Univ Denmark, DTU Foton, DK-2800 Lyngby, Denmark

[2] Univ Paris 11, Inst Elect Fondamentale, F-91405 Orsay, France

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 23期

关键词：

WAVE-GUIDES; ON-CHIP; NANOCAVITY; LIGHT; PULSES; LASER; INP; OSCILLATIONS; INGAASP; MEMORY;

D O I：

10.1103/PhysRevLett.117.233901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present pump-probe measurements of an all-optical photonic crystal switch based on a nanocavity, resolving fast coherent temporal dynamics. The measurements demonstrate the importance of coherent effects typically neglected when considering nanocavity dynamics. In particular, we report the observation of an idler pulse and more than 10 dB parametric gain. The measurements are in good agreement with a theoretical model that ascribes the observation to oscillations of the free-carrier population in the nanocavity. The effect opens perspectives for the realization of new all-optical photonic crystal switches with unprecedented switching contrast.

引用

页数：6

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