Picosecond optically reconfigurable filters exploiting full free spectral range tuning of single ring and Vernier effect resonators

被引：10

作者：

Bruck, Roman ^{[1
]}

Mills, Ben ^{[2
]}

Thomson, David J. ^{[2
]}

Troia, Benedetto ^{[3
]}

Passaro, Vittorio M. N. ^{[3
]}

Mashanovich, Goran Z. ^{[2
]}

Reed, Graham T. ^{[2
]}

Muskens, Otto L. ^{[1
]}

机构：

[1] Univ Southampton, Fac Phys Sci & Engn, Phys & Astron, Southampton SO17 1BJ, Hants, England

[2] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[3] Politecn Bari, Dept Elect & Informat Engn, I-70125 Bari, Italy

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

INSULATOR WAVE-GUIDES; LOW-POWER; SILICON; LIGHT; INTERROGATION; MODULATION; BIOSENSOR; SWITCH;

D O I：

10.1364/OE.23.012468

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate that phase shifts larger than 2 pi can be induced by all-optical tuning in silicon waveguides of a few micrometers in length. By generating high concentrations of free carriers in the silicon employing absorption of ultrashort, ultraviolet laser pulses, the refractive index of silicon can be drastically reduced. As a result, the resonance wavelength of optical resonators can be freely tuned over the full free spectral range. This allows for active integrated optic devices that can be switched with GHz frequencies into any desired state by all-optical means. (C) 2015 Optical Society of America

引用

页码：12468 / 12477

页数：10

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