MEASUREMENT OF NONLINEAR REFRACTIVE-INDEX AND TRANSMISSION IN POLYDIACETYLENE WAVE-GUIDES AT 1.319-MU-M

被引：23

作者：

ROCHFORD, K ^{[1
]}

ZANONI, R ^{[1
]}

STEGEMAN, GI ^{[1
]}

KRUG, W ^{[1
]}

MIAO, E ^{[1
]}

BERANEK, MW ^{[1
]}

机构：

[1] BOEING CO,AEROSPC & ELECTR,CTR HIGH TECHNOL,SEATTLE,WA 98124

来源：

APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 01期

关键词：

D O I：

10.1063/1.104434

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nonlinear optical measurements in strip-loaded channel waveguides of poly(4-BCMU) at 1.319 mu-m are reported. Using a pulse-modulated interferometry method, the intensity-dependent refractive index is found to have an electronic contribution, n2 = (4.8 +/- 2.7) X 10(-8) cm2/MW, and an estimated thermal contribution, n2 = -(7.9 +/- 4.5) X 10(-11) cm2/MW, for 60 pS laser pulses at 76 MHz. The two-photon absorption coefficient-beta is less than 0.25 cm/GW. Figures-of-merit suggest that poly(4-BCMU) has properties desirable for all-optical devices, but that fabrication losses and thermal effects due to absorption will limit device performance.

引用

页码：13 / 15

页数：3

共 12 条

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