Title :
Novel variable optical attenuator using hollow waveguide
Author :
Miura, T. ; Koyama, F. ; Matsutani, A.
Author_Institution :
Microsystem Res. Center, Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
We demonstrate a novel variable attenuator composed of a three dimensional (3D) hollow optical waveguide with a variable air gap. The change of the gap results in variation of lateral optical confinement, which gives us variable attenuation of 14 dB.
Keywords :
integrated optics; micro-optics; optical attenuators; optical waveguides; hollow waveguide; lateral optical confinement; variable air gap; variable optical attenuator; Hollow waveguides; Optical attenuators; Optical devices; Optical filters; Optical refraction; Optical switches; Optical waveguides; Propagation losses; Tunable circuits and devices; Waveguide discontinuities;
Conference_Titel :
Optical MEMs, 2002. Conference Digest. 2002 IEEE/LEOS International Conference on
Conference_Location :
Lugano, Switzerland
Print_ISBN :
0-7803-7595-5
DOI :
10.1109/OMEMS.2002.1031511
