Non-degenerate optical parametric amplification analysis of surface plasmon polariton wave in a silver coated PPLN planar waveguide

被引：3

作者：

Izadi, Mohammad Amin ^{[1
]}

Nouroozi, Rahman ^{[1
]}

机构：

[1] Inst Adv Studies Basic Sci, Dept Phys, Zanjan 4513766731, Iran

来源：

SUPERLATTICES AND MICROSTRUCTURES | 2016年 / 100卷

关键词：

Surface plasmon polaritons; Nonlinear optics; Optical parametric amplification; Difference frequency generation; Periodically poled lithium niobate; Waveguide; CONVERSION;

D O I：

10.1016/j.spmi.2016.09.055

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Propagation length enhancement of surface plasmon polariton (SPP) wave in telecom c-band through nonlinear chi((2))-based nondegenerate difference frequency generation (ndDFG) process is investigated theoretically. The SPP wave is excited in a silver coated planar periodically poled lithium niobate (PPLN) waveguide. Quasi phase matching is used to compensate the phase mismatch between the interacting excited SPP and guided modes. Domain inversion with proper domain wavelength of Lambda = 101.9 mu m leads to nonlinear efficient mode interaction of guideck <-> SPP. With 31 MW/cm coupled pump intensity a SPP amplification of about 16 dB is achievable which results in enhancement of the propagation length about 11 mm. The acceptance SPP amplification bandwidth is pump power dependent. In a low pump depletion regime, a 3-dB bandwidth is about 75 nm whereas in more depletion the bandwidth becomes narrower but not less than 25 nm. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：431 / 439

页数：9

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