We study theoretically, using an effective mass approach, out-of-plane three-dimensional wave localization in two-dimensional photonic crystals without defects. Existence of hyperbolic localization (X-waves) in stationary regime is analytically proved and confirmed numerically.
© 2005 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1940) Diffraction and gratings : Diffraction
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
S. Longhi and D. Janner, "Hyperbolic Localization in Photonic Crystals without Defects," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JThE104.