Abstract

In this paper, we report on the design of a compact (~ 226~µm) on-chip InGaAsP/InP polarization converter based on an asymmetric rib waveguide. Our theoretical analysis demonstrates that the device displays a conversion efficiency of < -25~dB (> 99.68% power conversion between orthogonal polarization) at 1550-nm wavelength with a nearly flat response over the optical C band. Regarding fabrication tolerances, we predict that the most sensitive design parameter is the waveguide width as the conversion efficiency drops to 10 dB for a deviation of ±0.1~µm from the optimized value.

© 2003 IEEE

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J. Lightwave Technol. (2)

W. W. Lui, et al. "Full-vectorial wave propagation in semiconductor optical bending waveguides and equivalent straight waveguide approximation", J. Lightwave Technol., vol. 16, pp. 910-914, May 1998.

W. Huang and Z. M. Mao, "Polarization rotation in periodic loaded rib waveguide", J. Lightwave Technol., vol. 10, pp. 1825-1831, Dec. 1992 .

Other (18)

M. Gustavsson, "Analysis of polarization independent optical amplifiers and filters based on polarization rotation in periodically asymmetric waveguide", IEEE J. Quantum Electron., vol. 29, pp. 1168 -1178, Apr. 1993.

Z. M. Mao and W. P. Huang, "Analysis of polarization rotation in periodically loaded rib waveguide by transfare matrix method", J. Lightwave Technol. , vol. 12, pp. 768-773, May 1994.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen and Moerman, "Realization of a short integrated optic passive polarization converter", IEEE Photon. Technol. Lett. , vol. 7, pp. 893-895, Aug. 1995.

C. van Dam, L. H. Spiekman, F. P. G. M. van Ham, F. H. Groen, J. J. G. M. van der Tol, I. Moerman, W. W. Pascher, M. Hamacher, H. Heidrich, C. M. Weinert and M. K. Smit, "Novel compact polarization converters based on ultra short bends", IEEE Photon. Technol. Lett., vol. 8, pp. 1346-1348, Oct. 1996.

T. Ono and Y. Yano, "Key technologies for terabit/second WDM systems with high spectral efficiency of over 1 bit/s/Hz", IEEE J. Quantum Electron. , vol. 34, pp. 2080-2088, Nov. 1998.

W. W. Liu, et al. "Polarization rotation in semiconductor bending waveguides: A coupled-mode theory formulation", J. Lightwave Technol. , vol. 16, pp. 929-936, May 1998.

S. S. A. Obayya, B. M. Azizur, K. T. V. Grattan and H. A. El-Mikati, "Beam propagation modeling of polarization rotation in deeply etched semiconductor bent waveguides", IEEE Photon. Technol. Lett., vol. 13, pp. 681-683, July 2001.

S. S. A. Obayya, B. M. A. Rahman, K. T. V. Grattan and H. A. El-Mikati, "Improved design of a polarization converter based on semiconductor optical waveguide bends", Appl. Opt. , vol. 40, no. 30, pp. 5395-5401, Oct. 2001.

M. Fontaine, "Cross-phase modulation phenomena in strongly guiding waveguides: A theoretical approach revised", J. Opt. Soc. Amer. B, vol. 15, no. 3, pp. 964-971, Mar. 1998.

Z. Huan, R. Scarmozzino, G. Nagy, J. Steel and R. M. Osgood Jr., "Realization of a compact and single-mode optical passive polarization converter", IEEE Photon. Technol. Lett., vol. 12, pp. 317-319, Mar. 2000.

D. Yevick, J. Yu, W. Bardyszewski and M. Glasner, "Stability issues in vector electric field propagation", IEEE Photon. Technol. Lett., vol. 7, pp. 656-658, June 1995.

D. Yevick, "The application of complex Padé approximants to vector field propagation", IEEE Photon. Technol. Lett., vol. 12, pp. 1636-1638, Feb. 2000.

M. S. Stern, "Semivectorial polarized finite difference method for optical waveguides with arbitrary index profiles", Proc. Inst. Elect. Eng., vol. 135, pp. 56-61, 1988.

D. Yevick, J. Yu, M. Munowitz and D. Vezzetti, "Modal field analyzes of semiconductor rib-waveguide modes employing nonequidistant grids", J. Opt. Soc. Amer. A, vol. 9, pp. 1385-1388, 1991.

H. El-Refaei and D. Yevick, "Compact InGaAsP/InP polarization rotator", in Proc. Integrated Photonics Res. Conf., July 2001, ITUB5/1:5.

P. Bhattacharya, Semiconductor Optoelectronic Devices, Englewood Cliffs, NJ: Prentice-Hall Int., Inc., 1994 .

S. Adachi, Physical Properties of III-V Semiconductor Compounds (InP, InAs, GaAs, GaP,InGaAs and InGaAsP), New York: Wiley, 1992.

F. Fiedler and A. Schlachetzk, "Optical parameters of InP-based waveguides", Solid State Electron., vol. 30, no. 1, pp. 73-83, 1987.

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