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We investigated theoretically the effect of surface silicon oxide layer on the photonic band structure of a macroporous silicon photonic crystal. Using the plain wave method we have shown that the bandgap in oxidized structure is shifted to the higher frequencies relative to non-oxidized case. We also demonstrate that comparatively wide absolute bandgap can be obtained for low air filling fractions by using thick SiO2 layer. As an example of possible application of such three-component systems, we have shown the concept of a selector of electromagnetic modes based on our calculations.
Słowa kluczowe
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Czasopismo
Rocznik
Tom
Strony
201--203
Opis fizyczny
Bibliogr. 10 poz., rys.
Twórcy
autor
autor
- Institute of Semiconductor Physics of NAS of Ukraine, 41 Nauki Prosp., 03-028 Kiev, Ukraine
Bibliografia
- 1. E. Yablonovich, "Inhibited spontaneous emission in solidstate physics and electronics", Phys Rev. Lett. 58, 2059-2062 (1987).
- 2. K.M. Ho, C.T. Chan, and C.M. Soukoulis, "Existence of a photonic bandgap in periodic dielectric structure", Phys Rev. Lett. 65, 3152-3156 (1990).
- 3. M. Plihal and A.A. Maradudin, "Photonic band structure of two-dimensional systems: The triangular lattice", Phys. Rev. B44, 8565-8571 (1991).
- 4. V. Lehmann and H. Foll, "Formation mechanism and propertiesof electrochemically etched trenches in n-type silicon", J. Electrochem. Soc. 137, 653-659 (1990).
- 5. R.D. Meade, K.D. Brommer, A.M. Rappe, and J.D. Joannopoulos, "Existence of a photonic bandgap in two dimensions", Appl. Phys. Lett. 61, 495-499 (1992).
- 6. P.R. Villeneuve and M. Piche, "Photonic bandgaps in two-dimensional square and hexagonal lattices", Phys. Rev. B46, 4969-4972 (1992).
- 7. A.A. Maradudin and A.R. McGurn, "Out-of-plane propagation of electromagnetic waves in a two-dimensional periodic dielectric medium", J. Mod. Opt. 41, 275-284 (1994).
- 8. A. Birner, R.B. Wehrspohn, U. Gösele, and K. Busch, "Silicon-based photonic crystals", Adv. Matter 13, 377-388 (2001).
- 9. S.W. Leonard, H.M. van Driel, J. Schilling, and R.B. Wehrspohn, "Ultrafast band-edge tuning of a two-dimensional silicon photonic crystal via free-carrier injection", Phys. Rev. B66, R161102 (2002).
- 10. K. Hirose, H. Kitahara, and T. Hattori, "Dielectric constant of ultrathin SiO2 film estimated from the Auger parameter", Phys. Rev. B67, 195313 (2003).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWA1-0013-0040