Compact Silica Arrayed-Waveguide Grating Using High-Mesa Small-Bend Waveguides

Jiro ITO  Tom Yen-Ting FAN  Takanori SUZUKI  Hiroyuki TSUDA  

IEICE TRANSACTIONS on Electronics   Vol.E91-C   No.1   pp.110-112
Publication Date: 2008/01/01
Online ISSN: 1745-1353
DOI: 10.1093/ietele/e91-c.1.110
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Optoelectronics
arrayed waveguide grating,  air trench,  planar lightwave circuit,  integrated optics,  

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A compact arrayed-waveguide grating with small-bend waveguides incorporating air trenches and high mesa structures has been proposed. An 8-channel, 100-GHz-spacing silica arrayed-waveguide grating was fabricated, and its size was reduced dramatically to 1/4 of that of a conventional device.