Polycrystalline-metal-ferromagnetic optical waveguide isolator (POWI) for monolithic-integration with diode-laser devices

被引:22
作者
Hammer, JM [1 ]
Abeles, JH [1 ]
Channin, DJ [1 ]
机构
[1] DAVID SARNOFF RES CTR,PRINCETON,NJ 08543
关键词
integrated optics; isolators; magnetooptic isolators; optical communication; optical isolators; optics; semiconductor lasers; semiconductor optical amplifiers; 1.55; MU-M; TENSILE; GAIN; AMPLIFIER; FILMS;
D O I
10.1109/68.588165
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Optical Faraday rotation in polycrystalline or amorphous thin films of ferromagnetic materials can be used to obtain true-optical isolators and nonreciprocal-TE-TM-mode converters which cover a wide wavelength range, These can be integrated with semiconductor lasers and other integrated optic devices because the films do not require epitaxial deposition, A detailed description and analysis of an integrable isolator with better than 30-dB isolation ratio and low insertion loss in the 1.5-mu m wavelength region is given.
引用
收藏
页码:631 / 633
页数:3
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