Optimization of transmission properties of two-dimensional photonic crystal channel waveguide bends through local lattice deformation

We present an extended study of different topologies for lattice-deformed two-dimensional single line-defect (W1) photonic crystal channel waveguide bends and their effect on the optimization of the bend transmission properties. An enhancement of the spectral response by a factor of six was obtained, with the optimal design providing transmission greater than 95% over a 5.2% relative bandwidth. Experimental results for devices realized in III–V semiconductor epitaxial structure show a transmission efficiency of 95%.

[1]  Iraklis Ntakis,et al.  Photonic crystal continuous taper for low-loss direct coupling into 2D photonic crystal channel waveguides and further device functionality , 2003 .

[2]  H. Zappe.  Introduction to Semiconductor Integrated Optics , 1995 .

[3]  Henri Benisty,et al.  Enhanced transmission through photonic-crystal-based bent waveguides by bend engineering , 2001 .

[4]  Anne Talneau,et al.  Photonic-crystal ultrashort bends with improved transmission and low reflection at 1.55 μm , 2002 .

[5]  John,et al.  Strong localization of photons in certain disordered dielectric superlattices. , 1987, Physical review letters.

[6]  Makoto Okano,et al.  Wider bandwidth with high transmission through waveguide bends in two-dimensional photonic crystal slabs , 2002 .

[7]  Johann Peter Reithmaier,et al.  Efficient light transmission through InP-based photonic crystal waveguides , 2002 .

[8]  Thomas F. Krauss,et al.  Optical and confinement properties of two-dimensional photonic crystals , 1999 .

[9]  Henri Benisty,et al.  Resonant and nonresonant transmission through waveguide bends in a planar photonic crystal , 2001 .

[10]  Lars Hagedorn Frandsen,et al.  Low-loss silicon-on-insulator photonic crystal waveguides , 2002 .

[11]  Masaya Notomi,et al.  Singlemode transmission within photonic bandgap of width-varied single-line-defect photonic crystal waveguides on SOI substrates , 2001 .

[12]  E. Yablonovitch,et al.  Inhibited spontaneous emission in solid-state physics and electronics. , 1987, Physical review letters.

[13]  Henri Benisty,et al.  Mini stopbands of a one dimensional system: the channel waveguide in a two-dimensional photonic crystal , 2001 .

[14]  Thomas F. Krauss,et al.  Photonic crystals in the optical regime — past, present and future , 1999 .