Abstract

We investigate the fabrication tolerance of novel slanted-angle silicon-on-insulator polarization rotators with asymmetric external waveguiding regions. We also minimize the input and output coupling loss between the polarization rotator and the rib waveguides through a lateral shift in the relative waveguide positions.

© 2006 Optical Society of America

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  1. R. C. Alferness, 'Guided-wave devices for optical communication,' IEEE J. Quantum Electron. QE-17, 946-959 (1981).
    [CrossRef]
  2. I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
    [CrossRef]
  3. T. K. Liang and H. K. Tsang, 'Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides,' IEEE Photon. Technol. Lett. 17, 393-395 (2005).
    [CrossRef]
  4. Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
    [CrossRef]
  5. H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
    [CrossRef]
  6. J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
    [CrossRef]
  7. V. P. Tzolov and M. Fontaine, 'A passive polarization converter free of longitudinally-periodic structure,' Opt. Commun. 127, 7-13 (1996).
    [CrossRef]
  8. J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
    [CrossRef]
  9. B. M. A. Rahman, S. S. A. Obayya, N. Somasiri, M. Rajarajan, K. T. V. Grattan, and H. A. El-Mikathi, 'Design and characterization of compact single-section passive polarization rotator,' J. Lightwave Technol. 19, 512-519 (2001).
    [CrossRef]
  10. N. Somasiri, B. M. A. Rahman, and S. S. A. Obayya, 'Fabrication tolerance study of a compact passive polarization rotator,' J. Lightwave Technol. 20, 751-757 (2002).
    [CrossRef]
  11. H. El-Refaei and D. Yevick, 'An optimized InGaAsP/InP polarization converter employing asymmetric rib waveguides,' J. Lightwave Technol. 21, 1544-1548 (2003).
    [CrossRef]
  12. H. El-Refaei, D. Yevick, and T. Jones, 'Slanted-rib waveguide InGaAsP-InP polarization converters,' J. Lightwave Technol. 22, 1352-1357 (2004).
    [CrossRef]
  13. D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
    [CrossRef]
  14. H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
    [CrossRef]
  15. C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.
  16. C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
    [CrossRef]
  17. M. Koshiba and Y. Tsuji, 'Curvilinear hybrid edge/nodal elements with triangular shape for guided-wave problems,' J. Lightwave Technol. 18, 737-743 (2000).
    [CrossRef]
  18. K. Saitoh and M. Koshiba, 'Full-vectorial finite element beam propagation method with perfectly matched layers for anisotropic optical waveguides,' J. Lightwave Technol. 19, 405-413 (2001).
    [CrossRef]

2006

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

2005

H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
[CrossRef]

I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
[CrossRef]

T. K. Liang and H. K. Tsang, 'Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides,' IEEE Photon. Technol. Lett. 17, 393-395 (2005).
[CrossRef]

2004

2003

D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
[CrossRef]

H. El-Refaei and D. Yevick, 'An optimized InGaAsP/InP polarization converter employing asymmetric rib waveguides,' J. Lightwave Technol. 21, 1544-1548 (2003).
[CrossRef]

2002

2001

2000

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

M. Koshiba and Y. Tsuji, 'Curvilinear hybrid edge/nodal elements with triangular shape for guided-wave problems,' J. Lightwave Technol. 18, 737-743 (2000).
[CrossRef]

1996

V. P. Tzolov and M. Fontaine, 'A passive polarization converter free of longitudinally-periodic structure,' Opt. Commun. 127, 7-13 (1996).
[CrossRef]

1995

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

1992

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

1991

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

1981

R. C. Alferness, 'Guided-wave devices for optical communication,' IEEE J. Quantum Electron. QE-17, 946-959 (1981).
[CrossRef]

Albrecht, P.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Alferness, R.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Alferness, R. C.

R. C. Alferness, 'Guided-wave devices for optical communication,' IEEE J. Quantum Electron. QE-17, 946-959 (1981).
[CrossRef]

Aydinli, A.

I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
[CrossRef]

Brooks, C.

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
[CrossRef]

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

Correia, D.

D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
[CrossRef]

da Silva, J. P.

D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
[CrossRef]

Dagli, N.

I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
[CrossRef]

Deng, H.

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
[CrossRef]

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

El-Mikathi, H. A.

El-Refaei, H.

Fontaine, M.

V. P. Tzolov and M. Fontaine, 'A passive polarization converter free of longitudinally-periodic structure,' Opt. Commun. 127, 7-13 (1996).
[CrossRef]

Grattan, K. T. V.

Groen, F. H.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Hakimzadeh, F.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Hamacherm, M.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Heidrich, H.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Hernández-Figueroa, H. E.

D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
[CrossRef]

Huang, J. Z.

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

Jessop, P. E.

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
[CrossRef]

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

Jones, T.

Kiyat, I.

I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
[CrossRef]

Koch, T.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Koren, U.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Koshiba, M.

Liang, T. K.

T. K. Liang and H. K. Tsang, 'Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides,' IEEE Photon. Technol. Lett. 17, 393-395 (2005).
[CrossRef]

Metaal, E. G.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Miller, B. I.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Moerman, I.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Nagy, G.

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

Nolting, H.-P.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Obayya, S. S. A.

Oei, Y. S.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Oron, M.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Osgood, R. M.

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

Pedersen, J. W.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Rahman, B. M. A.

Rajarajan, M.

Saitoh, K.

Scarmozzino, R.

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

Schroeter-Janssen, H.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Shani, Y.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Somasiri, N.

Steel, M. J.

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

Tarr, G.

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

Tsang, H. K.

T. K. Liang and H. K. Tsang, 'Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides,' IEEE Photon. Technol. Lett. 17, 393-395 (2005).
[CrossRef]

Tsuji, Y.

Tzolov, V. P.

V. P. Tzolov and M. Fontaine, 'A passive polarization converter free of longitudinally-periodic structure,' Opt. Commun. 127, 7-13 (1996).
[CrossRef]

van der Tol, J. J. G. M.

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

Weinert, C. M.

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

Yevick, D.

Yevick, D. O.

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, 'Design rules for slanted-angle polarization rotators,' J. Lightwave Technol. 23, 432-445 (2005).
[CrossRef]

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

Young, M. G.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

Appl. Phys. Lett.

Y. Shani, R. Alferness, T. Koch, U. Koren, M. Oron, B. I. Miller, and M. G. Young, 'Polarization rotation in asymmetric periodic loaded rib waveguides,' Appl. Phys. Lett. 59, 1278-1280 (1991).
[CrossRef]

IEEE J. Quantum Electron.

R. C. Alferness, 'Guided-wave devices for optical communication,' IEEE J. Quantum Electron. QE-17, 946-959 (1981).
[CrossRef]

IEEE Photon. Technol. Lett.

I. Kiyat, A. Aydinli, and N. Dagli, 'A compact silicon-on-insulator polarization splitter,' IEEE Photon. Technol. Lett. 17, 100-102 (2005).
[CrossRef]

T. K. Liang and H. K. Tsang, 'Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides,' IEEE Photon. Technol. Lett. 17, 393-395 (2005).
[CrossRef]

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, and R. M. Osgood, Jr., 'Realization of a compact and single-mode optical passive polarization converter,' IEEE Photon. Technol. Lett. 12, 317-319 (2000).
[CrossRef]

D. Correia, J. P. da Silva, and H. E. Hernández-Figueroa, 'Genetic algorithm and finite-element design of short single-section passive polarization converter,' IEEE Photon. Technol. Lett. 15, 915-917 (2003).
[CrossRef]

H. Heidrich, P. Albrecht, M. Hamacherm, H.-P. Nolting, H. Schroeter-Janssen, and C. M. Weinert, 'Passive mode converter with a periodically tilted InP/GaInAsP rib waveguide,' IEEE Photon. Technol. Lett. 4, 34-36 (1992).
[CrossRef]

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, F. Hakimzadeh, Y. S. Oei, F. H. Groen, and I. Moerman, 'Realization of a short integrated optic passive polarization converter,' IEEE Photon. Technol. Lett. 7, 893-895 (1995).
[CrossRef]

J. Lightwave Technol.

Opt. Commun.

V. P. Tzolov and M. Fontaine, 'A passive polarization converter free of longitudinally-periodic structure,' Opt. Commun. 127, 7-13 (1996).
[CrossRef]

Opt. Eng. (Bellingham)

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Passive silicon-on-insulator rotating waveguides,' Opt. Eng. (Bellingham) 45, 044603 (2006).
[CrossRef]

Other

C. Brooks, P. E. Jessop, H. Deng, D. O. Yevick, and G. Tarr, 'Polarization rotating waveguides in silicon on insulator,' in Proceedings of Integrated Photonics Research Conference (IPR'04) (Optical Society of America, 2004), paper IFG4.

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Figures (8)

Fig. 1
Fig. 1

SOI slanted-angle polarization rotator with an asymmetric external layer butt coupled to input and output SOI rib waveguides.

Fig. 2
Fig. 2

Lowest-order modal field distributions in the lateral and transverse polarizations of a slanted-angle SOI polarization rotator with ( H , W , h ) = ( 2.8 , 2.7 , 1.0 ) μ m .

Fig. 3
Fig. 3

Power in the TE and TM modes of a 3.0 μ m SOI polarization rotator excited by a TE-polarized input.

Fig. 4
Fig. 4

Variation of the PC with respect to (a) the base rib width W, (b) the outer-slab thickness h, and (c) the rib height H.

Fig. 5
Fig. 5

Variation of the PC with respect to (a) the angle of the slanted facet θ and (b) the angle of the vertical sidewall.

Fig. 6
Fig. 6

Variation of the PC with respect to refractive index of the silicon guiding region.

Fig. 7
Fig. 7

Cross section of the junction between the SOI polarization rotator and the input and output rib waveguides.

Fig. 8
Fig. 8

Coupling loss between the butt-coupled SOI polarization converter and the input and output rib waveguides: (a) TE-polarized input and (b) TM-polarized input.

Equations (1)

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L π = π β 1 β 2 ,

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