All-UV-written integrated planar Bragg gratings and channel waveguides through single-step direct grating writing

被引:15
作者
Emmerson, GD [1 ]
Gawith, CBE
Watts, SP
Williams, RB
Smith, PGR
McMeekin, SG
Bonar, JR
Laming, RI
机构
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] Alcatel Optron UK, Livingston EH54 8SF, Scotland
来源
IEE PROCEEDINGS-OPTOELECTRONICS | 2004年 / 151卷 / 02期
关键词
D O I
10.1049/ip-opt:20040182
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
A single-step technique is presented, for defining two-dimensional integrated channel waveguide structures with internal Bragg gratings in photosensitive germanosilica-on-silicon substrates using two interfering focused UV beams. Detailed device analysis of the relationship between the photosensitive properties of the glass, UV writing conditions, and subsequent refractive index change and channel waveguide strength is presented, based on grating characterisation. Through software control, 300 nm-wide grating detuning across the E, S, C, L, and U wavelength bands is demonstrated.
引用
收藏
页码:119 / 122
页数:4
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