论文类型：期刊论文
论文编号：258254
第一作者：司马朝坦
合写作者：James C. Gates,Michalis N. Zervas,Peter G.R. Smith
发表刊物：Optics Express
收录刊物：SCI、EI
卷号：21
期号：13
页面范围：15747-15754
ISSN号：1094-4087
关键字：Bragg reflectors, Integrated optics, Gratings, Interferometry, Phase modulation, Apodization.
DOI码：10.1364/OE.21.015747
发表时间：2013-06-24
影响因子：3.669
摘要：A direct UV grating writing technique based on phase-controlled interferometry is proposed and demonstrated in a silica-on-silicon platform, with a wider wavelength detuning range than any previously reported UV writing technology. Electro-optic phase modulation of one beam in the interferometer is used to manipulate the fringe pattern and thus control the parameters of the Bragg gratings and waveguides. Various grating structures with refractive index apodization, phase shifts and index contrasts of up to 0.8 × 10−3have been demonstrated. The method offers significant time/energy efficiency as well as simplified optical layout and fabrication process. We have shown Bragg gratings can be made from 1200nm to 1900nm exclusively under software control and the maximum peak grating reflectivity only decreases by 3dBover a 250 nm (~32THz) bandwidth.
发布期刊链接：https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-21-13-15747&id=258254