Title :
Dispersion Study of Optical Nanowire Microcoil Resonators
Author :
Xu, Fei ; Wang, Qin ; Zhou, Jian-Feng ; Hu, Wei ; Lu, Yan-qing
Author_Institution :
Nat. Lab. of Solid State Microstructures, Nanjing Univ., Nanjing, China
Abstract :
The dispersion characteristics of an optical nanowire microcoil resonator (ONMR) are investigated, which show remarkable influence on their performances at a high bitrate. In addition to the waveguide dispersion it was found that the adjacent ring coupling also has notable contribution to the total dispersion. If the nanowire diameter´s range is from 1.5 to 5 μm, the waveguide dispersion and coupling dispersion could almost be canceled with each other so that the total dispersion is well suppressed, which is desired in high-speed (10 Gb/s and beyond) optical systems. On the other hand, both positive and negative dispersion could be obtained by adjusting suitable ONMR parameters. Even a tailored dispersion curve could be designed theoretically. These results are helpful for ONMR-based device design in communication and sensing applications.
Keywords :
high-speed optical techniques; nanowires; optical couplers; optical design techniques; optical dispersion; optical resonators; optical waveguides; adjacent ring coupling; coupling dispersion; dispersion characteristics; high-speed optical systems; optical nanowire microcoil resonator; waveguide dispersion; Couplings; Dispersion; High speed optical techniques; Optical device fabrication; Optical resonators; Optical sensors; Optical waveguides; Fiberoptics components; optical resonators;
Journal_Title :
Selected Topics in Quantum Electronics, IEEE Journal of
DOI :
10.1109/JSTQE.2010.2061220
