Novel waveguide structures for enhanced fiber grating devices

被引:23
作者
Eggleton, BJ [1 ]
Ahuja, AK
Feder, KS
Headley, C
Kerbage, C
Mermelstein, MD
Rogers, JA
Steinvurzel, P
Westbrook, PS
Windeler, RS
机构
[1] Lucent Technol, Opt Fiber Devices, Murray Hill, NJ 07974 USA
[2] Lucent Technol, Specialty Fiber Devices, Somerset, NJ 08873 USA
[3] Lucent Technol, Bell Labs, Murray Hill, NJ 07974 USA
[4] Lucent Technol, Specialty Fiber Devices Res Dept, Somerset, NJ 08873 USA
[5] Lucent Technol, Opt Fiber Solut, Murray Hill, NJ 07974 USA
关键词
air-silica microstructure; bandwidth; cladding modes; crystal fiber; fiber Bragg gratings; fiber gratings; fiber waveguide structures; thermal tuning;
D O I
10.1109/2944.962265
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
An emerging class of fiber waveguide structures is being used to increase the functionality of fiber gratings, enabling new devices critical to the performance of next generation lightwave communications systems. These devices rely on advances in the fabrication of optical fiber waveguides, which go beyond the conventional doped silica design and fall into two general categories: 1) local modifications to the waveguide after fabrication and 2) fibers drawn with modified claddings that include nonsilica regions throughout their length. This paper provides a comprehensive review of emerging fiber waveguide structures that enhance the functionality of optical fiber grating devices. Two examples of technologies that fall into the first category are thin metal films deposited onto the cladding surface, which can be used for thermal tuning and infusion of nonsilica materials into the air regions, which change the waveguide structure and can provide enhanced tunability. The second category is typified by air-silica microstructured optical fibers, which contain air-voids that run along the length of the fiber. These fibers have unique cladding mode properties that can be exploited in fiber grating based devices.
引用
收藏
页码:409 / 424
页数:16
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