Acousto-optic-induced cladding-mode reflection in a blazed-superstructure fiber grating

作者：Fu MY^*; Liu WF; Chen TC; Sheng HJ

来源：IEEE Photonics Technology Letters, 2003, 15(10): 1392-1394.

DOI：10.1109/LPT.2003.818248

• acousto-optic modulation
• superstructure fiber gratings (SFG)

The coupling phenomenon between the cladding mode and the core mode in a blazed-superstructure fiber grating is experimentally demonstrated in this letter by, applying both transverse and longitudinal acoustic waves. This is based on the difference between the cladding-mode wave vector and the core-mode wave vector, which is equivalent to the acoustic wave vector. By this means, a reflectivity-tunable multiwavelength switchable comb filter would be developed for the applications in fiber optics.

• 出版日期2003-10
• 单位中国人民解放军国防大学