Four-wave-mixing in the loss low submicrometer Ta2O5 channel waveguide

被引：25

作者：

Wu, Chung-Lun ^{[1
]}

Chiu, Yi-Jen ^{[1
]}

Chen, Cong-Long ^{[1
]}

Lin, Yuan-Yao ^{[1
]}

Chu, Ann-Kuo ^{[1
]}

Lee, Chao-Kuei ^{[1
]}

机构：

[1] Natl Sun Yat Sen Univ, Dept Photon, Kaohsiung 80424, Taiwan

来源：

OPTICS LETTERS | 2015年 / 40卷 / 19期

关键词：

SELF-PHASE MODULATION; SUPERCONTINUUM GENERATION; WAVELENGTH CONVERSION; MICRORING RESONATORS; PHOTONIC CRYSTAL; DISPERSION; TANTALUM; INDEX; CHIP;

D O I：

10.1364/OL.40.004528

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A degenerate four-wave-mixing (FWM) operation in the Ta2O5 submicrometer channel waveguide has been successfully demonstrated. The propagation loss of 1.5 dB/cm and total insertion loss of 5.1 dB are realized in a 12.6 mm long waveguide with inverse taper structure. The wavelength and quadratic pumping power-dependent measurements on optical transmission confirm FWMperformance and characterize the nonlinearity of waveguide. The conversion efficiency of -50 dB at coupled pump power of 40 mW is observed, suggesting that the nonlinear refractive index of Ta2O5 waveguide at 1550 nm is estimated to be 1 x 10(-14) cm(2)/W. Our primary results indicate that the Ta2O5 submicrometer channel waveguide has great potential in developing nonlinear waveguide applications. (C) 2015 Optical Society of America

引用

页码：4528 / 4531

页数：4

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