Lei Dai and Chun Jiang 2009 J. Phys. D: Appl. Phys. 42 225102 doi:10.1088/0022-3727/42/22/225102
Lei Dai and Chun Jiang1
Show affiliationsWe propose theoretically that a slow light waveguide constructed by placing a ridge waveguide between two photonic crystals holds an ultraflat band with a quasi-constant group velocity and a very low group velocity dispersion. Meanwhile, the single mode feature is the best choice to facilitate coupling light into the slow light waveguide and avoid losses. Thus, an efficient and compact coupler with a length of 5a for the slow light waveguide is designed to achieve a high coupling efficiency of more than 80% corresponding to the group velocity of 0.0166c in the wide bandwidth.
42.79.Gn Optical waveguides and couplers
Issue 22 (21 November 2009)
Received 12 November 2008, in final form 27 September 2009
Published 27 October 2009
Lei Dai and Chun Jiang 2009 J. Phys. D: Appl. Phys. 42 225102
Yan V Fyodorov and Jean-Philippe Bouchaud 2008 J. Phys. A: Math. Theor. 41 372001
Ishwaree P Neupane 2008 Class. Quantum Grav. 25 125013
Patrick Wette et al 2009 J. Phys.: Condens. Matter 21 464115
James Atkinson et al 2008 J. Phys. A: Math. Theor. 41 142001
B W Hoogenboom et al 2008 Nanotechnology 19 384019
Antony C Searle et al 2008 Class. Quantum Grav. 25 114038
Yibing Zhang and Lei Jiang 2009 J. Phys.: Conf. Ser. 188 012004
L Carbone et al 2009 Class. Quantum Grav. 26 145009
Hui Dong et al 2008 Supercond. Sci. Technol. 21 115009