Abstract

An integrated collimating waveguide lens is analyzed for applications which require the focusing of an optical beam onto the waveguide of a planar lightwave circuit. The lens has a refractive index profile which is parabolically graded as a function of height to focus light in the vertical plane, and has a convex front face to focus light in the horizontal plane. Analysis based on the propagation of a Gaussian field is used to design a lens pair which minimizes the optical loss for a given propagation length. The beam propagation method is used to identify fabrication tolerances which may have impact on the performance of the lens pair. The lens pair has application in micro-optoelectromechanical (MOEM) switches based on planar optical waveguide circuits.

© 2003 IEEE

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  8. M. V. Bazylenko, M. Gross, A. Simonian and P. L. Chu, "Pure and fiourine-doped silica films deposited in a hollow cathode reactor for integrated optic applications", J. Vacuum Sci. Technol. A, vol. 14, no. 2, pp. 336-345, 1996.
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  10. M. Mackenzie and C. Y. Kwok, "MOEM based optical switch collimating lens", Proc. SPIE, vol. 4593, pp. 89-96, 2001.
  11. B. Hermansson and D. Yevick, "Propagating beam method analysis of two-dimensional microlenses and three-dimensional taper structures", J. Opt. Soc. Amer., vol. 1, no. 6, pp. 663-671, 1984.
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J. Lightwave Technol. (1)

J. Shimada, O. Ohguchi and R. Sawada, "Focusing characteristics of a wide-striped laser diode integrated with a microlens", J. Lightwave Technol., vol. 12, pp. 936-942, June 1994 .

Other (11)

L. Y. Lin, E. L. Goldstein and R. W. Tkach, "Free-space micromachined optical switches for optical networking", J. Opt. Soc. Amer. , vol. 1, pp. 4-9, 1984.

H. Toshiyoshi and H. Fujita, "Electrostatic micro torsion mirrors for an optical switch matrix", J. Microelectromech. Syst., vol. 5, pp. 231 -237, 1996.

L. Y. Lin, E. L. Goldstein and R. W. Tkach, "Free-space micromachined optical switches for optical networking", IEEE J. Select. Topics Quantum Electron., vol. 5, pp. 4-9, 1999.

L. Dellmann, W. Noell, C. Marxer, K. Weible, M. Hoffmann and N. F. de Rooij, "4 × 4 matrix switch based on mems switches and integrated waveguides", in Proc. 11th Int. Conf. Solid-State Sensors and Actuators, Munich, Germany, 2001, pp. 1332-1335.

A. Yariv, Optical Electronics , New York: CBS College Publishing, 1985.

H. Kogelnik and T. Li, "Laser beams and resonators", Proc. IEEE, vol. 54, pp. 1312 -1329, Oct. 1966.

M. V. Bazylenko, M. Gross, A. Simonian and P. L. Chu, "Pure and fiourine-doped silica films deposited in a hollow cathode reactor for integrated optic applications", J. Vacuum Sci. Technol. A, vol. 14, no. 2, pp. 336-345, 1996.

D. R. Beltrami, J. D. Love, A. Durandet, A. Samoc, M. Samoc, B. Luther-Davies and R. W. Boswell, "Planar graded-index (grin) pecvd lens", Electron. Lett., vol. 32, no. 6, pp. 549-550, 1996.

M. Mackenzie and C. Y. Kwok, "MOEM based optical switch collimating lens", Proc. SPIE, vol. 4593, pp. 89-96, 2001.

B. Hermansson and D. Yevick, "Propagating beam method analysis of two-dimensional microlenses and three-dimensional taper structures", J. Opt. Soc. Amer., vol. 1, no. 6, pp. 663-671, 1984.

D. Yevick and M. Glasner, "Analyisis of forward wide-angle light propagation in semiconductor rib waveguides and integrated optic structure", Electron. Lett., vol. 25, pp. 1611-1612, 1989.

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