@article{oai:ynu.repo.nii.ac.jp:00004034,
 author = {Mori, Daisuke and Kubo, Shousaku and Sasaki, Hirokazu and Baba, Toshihiko},
 issue = {9},
 journal = {Optics express},
 month = {Apr},
 note = {application/pdf, We report on the fabrication and evaluation of a directional coupler consisting of two different chirped photonic crystal (PC) waveguides that can generate wideband, low dispersion slow light. The directional coupler was fabricated from a silicon-on-insulator PC slab with airhole diameter chirping. For both waveguides, we observed a group index of 60-80 near the photonic band edge and opposite dispersion characteristics. In the directional coupler, we evaluated a group index of 30-40 in a wavelength bandwidth of 32 nm. The experimental results agree with the theoretical relation between the group index and bandwidth.},
 pages = {5264--5270},
 title = {Experimental demonstration of wideband dispersion-compensated slow light by a chirped photonic crystal directional coupler},
 volume = {15},
 year = {2007}
}