Abstract

The cutoff wavelength for Ti:LiNbO3 periodic segmented waveguides (PSW's) with different duty-cycles and of continuous waveguides has been measured for both polarizations. PSW's are described by an equivalent continuous waveguide and, using this model, a universal relationship between the cutoff wavelength of PSW's with different duty-cycles is proposed and verified experimentally.

© 1998 IEEE

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Appl. Opt. (1)

J. Lightwave Technol. (2)

J. Webjorn, F. Laurell, and G. Arvidsson, "Fabrication of periodically domain-inverted channel waveguides in lithium niobate for second harmonic generation," J. Lightwave Technol., vol. 7, pp. 1597-1600, 1989.

Z. Weissman and A. Hardy, "Modes of periodically segmented waveguides," J. Lightwave Technol., vol. 11, pp. 1831-1838, 1993.

Opt. Lett. (5)

Other (15)

Z. Weissman, D. Nir, S. Ruschin, and A. Hardy, "Asymmetric Y-junctions wavelength demultiplexer based on segmented waveguides," Appl. Phys. Lett., vol. 67, pp. 302-304, 1995.

Z. Weissman and A. Hardy, "Analysis of periodically segmented waveguide mode expanders," J. Ligthwave Technol., vol. 13, pp. 2053-2058, 1995.

E. B. Pun, K. K. Wong, I. Andonovic, P. J. R. Laybourn, and R. De La Rue, "Efficient waveguide Bragg-deflection grating on LiNbO3," Electron. Lett., vol. 18, pp. 774-742, 1982.

J. D. Bierlein, D. B. Laubacher, and J. B. Brown, "Balanced phase matching in segmented KTiOPO4 waveguides," Appl. Phys. Lett., vol. 56, pp. 1725-1727, 1990.

M. H. Chou, M. A. Arbone, and M. M. Fejer, "Periodically-segmented tapered waveguides for mode-size transformation and fundamental mode excitation," in 1996 Tech. Dig. Series, Integr. Photon. Res., Boston, MA, Apr. 1996, vol. 6, pp. 506-509.

D. Nir, S. Ruschin, A. Hardy, and D. Brooks, "Proton exchanged periodically segmented channel waveguides in lithium niobate," Electron. Lett., vol. 31, pp. 186-187, 1995.

R. C. Alferness and R. V. Schmidt, "Tunable optical waveguide directional coupler filter," Appl. Phys. Lett., vol. 33, pp. 161-163, 1978.

T. Negami, H. Haga, and S. Yamamoto, "Guided-wave optical wavelength demultiplexer using an asymmetric Y-junction," Appl. Phys. Lett., vol. 54, pp. 1080-1082, 1989.

Z. Weissman, F. Saint-Andre, and A. Kevorkian, "Asymmetric directional couplers using buried ion-exchange, periodically segmented waveguides in glass," in Proc. ECIO'97, Stockholm, Sweden, Apr. 1997, pp. 52-55.

A. W. Snyder and R. M. De La Rue, "Asymptotic solution of eigenvalue equations for surface waveguide structures," IEEE Trans. Microwave Theory Tech., vol. MTT-18, pp. 650-651, 1970.

W. W. Anderson, IEEE J. Quantum Electron., vol. QE-1, p. 2289, 1965.

H. Kogelnik and R. V. Ramaswamy, "Scaling rules for thin-film optical waveguides," Applied Optics, vol. 13, pp. 1857-1862, 1974.

G. B. Hocker and W. Burns, "Modes in diffused optical waveguides of arbitrary index profile," IEEE J. Quantum Electron., vol. QE-11, pp. 270-276, 1975.

S. Fouchet, A. Carenco, C. Daguet, R. Guglielmi, and L. Riviere, "Wavelength dispersion of Ti induced refractive index change in Ti:LiNbO3 as a function of diffusion parameters," J. Lightwave Technol., vol. LT-5, pp. 700-708, 1987.

T. Lang, L. Thevenaz, Z. B. Ren, and Ph. Robert, "Cut-off wavelength measurements of Ti:LiNbO3 channel waveguides," Meas. Sci. Technol., vol. 5, pp. 1124-1130, 1994.

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