Abstract

A tolerant single etch-step passive polarization splitter on InP/InGaAsP is designed and fabricated. The device consists of a directional coupler with a wide and a narrow waveguide. Modal birefringence of the third-order modes for transverse electric (TE) and transverse magnetic (TM) polarizations is employed to selectively couple one polarization. Tapering is applied to increase the tolerances. The devices are characterized, and the measurement results show good agreement with the beam-propagation-method simulations: a splitting ratio larger than 95% for a width range of around 100 nm and over a large wavelength range, covering at least the C-band.

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  1. J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, Y. S. Oei, H. van Brug, I. Moerman, "Mode evolution type polarization splitter on InGaAsP/InP," IEEE Photon. Technol. Lett. 5, 1412-1414 (1993).
  2. P. Albrecht, M. Hamacher, H. Heidrich, D. Hoffmann, H. Nolting, C. M. Weinert, "TE/TM mode splitters on InGaAsP/InP," IEEE Photon. Technol. Lett. 2, 114-115 (1990).
  3. L. Soldano, A. de Vreede, M. Smit, B. Verbeek, E. Metaal, F. Groen, "Mach–Zehnder interferometer polarization splitter in InGaAs/InP," IEEE Photon. Technol. Lett. 6, 402-405 (1994).
  4. J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, J.-W. van Gaalen, Y. S. Oei, F. H. Groen, "A short polarization splitter without metal overlays on InGaAsP-InP," IEEE Photon. Technol. Lett. 9, 209-211 (1997).
  5. M. G. F. Wilson, G. A. Teh, "Tapered optical directional coupler," IEEE Trans. Microw. Theory Tech. 23, 85-92 (1975).
  6. L. Augustin, J. van der Tol, R. Hanfoug, M. Smit, "Design of a single etchstep fabrication-tolerant polarisation splitter," Proc. 12th Eur. Conf. ECIO (2005) pp. 125-128.
  7. R. Hanfoug, J. J. G. M. van der Tol, L. M. Augustin, M. K. Smit, "Wavelength conversion with polarisation labelling for rejection and isolation of signals (POLARIS) ," Proc. 11th Eur. Conf. ECIO (2003) pp. 105-108.
  8. W.-P. Huang, "Coupled-mode theory for optical waveguides: An overview," J. Opt. Soc. Amer. A, Opt. Image Sci. 11, 963-983 (1994).
  9. Photon Design, Oxford, U.K., Version 4.4: Photon Design, FIMMWAVE/FIMMPROP (2005) http://www.photond.com.
  10. J. Binsma, R. Broeke, J. den Besten, "InP-based photonic integration technology," IPR Conf. San FranciscoCA (2004) Paper IFB1 invited paper.

1997 (1)

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, J.-W. van Gaalen, Y. S. Oei, F. H. Groen, "A short polarization splitter without metal overlays on InGaAsP-InP," IEEE Photon. Technol. Lett. 9, 209-211 (1997).

1994 (2)

L. Soldano, A. de Vreede, M. Smit, B. Verbeek, E. Metaal, F. Groen, "Mach–Zehnder interferometer polarization splitter in InGaAs/InP," IEEE Photon. Technol. Lett. 6, 402-405 (1994).

W.-P. Huang, "Coupled-mode theory for optical waveguides: An overview," J. Opt. Soc. Amer. A, Opt. Image Sci. 11, 963-983 (1994).

1993 (1)

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, Y. S. Oei, H. van Brug, I. Moerman, "Mode evolution type polarization splitter on InGaAsP/InP," IEEE Photon. Technol. Lett. 5, 1412-1414 (1993).

1990 (1)

P. Albrecht, M. Hamacher, H. Heidrich, D. Hoffmann, H. Nolting, C. M. Weinert, "TE/TM mode splitters on InGaAsP/InP," IEEE Photon. Technol. Lett. 2, 114-115 (1990).

1975 (1)

M. G. F. Wilson, G. A. Teh, "Tapered optical directional coupler," IEEE Trans. Microw. Theory Tech. 23, 85-92 (1975).

IEEE Photon. Technol. Lett. (4)

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, Y. S. Oei, H. van Brug, I. Moerman, "Mode evolution type polarization splitter on InGaAsP/InP," IEEE Photon. Technol. Lett. 5, 1412-1414 (1993).

P. Albrecht, M. Hamacher, H. Heidrich, D. Hoffmann, H. Nolting, C. M. Weinert, "TE/TM mode splitters on InGaAsP/InP," IEEE Photon. Technol. Lett. 2, 114-115 (1990).

L. Soldano, A. de Vreede, M. Smit, B. Verbeek, E. Metaal, F. Groen, "Mach–Zehnder interferometer polarization splitter in InGaAs/InP," IEEE Photon. Technol. Lett. 6, 402-405 (1994).

J. J. G. M. van der Tol, J. W. Pedersen, E. G. Metaal, J.-W. van Gaalen, Y. S. Oei, F. H. Groen, "A short polarization splitter without metal overlays on InGaAsP-InP," IEEE Photon. Technol. Lett. 9, 209-211 (1997).

IEEE Trans. Microw. Theory Tech. (1)

M. G. F. Wilson, G. A. Teh, "Tapered optical directional coupler," IEEE Trans. Microw. Theory Tech. 23, 85-92 (1975).

J. Opt. Soc. Amer. A, Opt. Image Sci. (1)

W.-P. Huang, "Coupled-mode theory for optical waveguides: An overview," J. Opt. Soc. Amer. A, Opt. Image Sci. 11, 963-983 (1994).

Other (4)

Photon Design, Oxford, U.K., Version 4.4: Photon Design, FIMMWAVE/FIMMPROP (2005) http://www.photond.com.

J. Binsma, R. Broeke, J. den Besten, "InP-based photonic integration technology," IPR Conf. San FranciscoCA (2004) Paper IFB1 invited paper.

L. Augustin, J. van der Tol, R. Hanfoug, M. Smit, "Design of a single etchstep fabrication-tolerant polarisation splitter," Proc. 12th Eur. Conf. ECIO (2005) pp. 125-128.

R. Hanfoug, J. J. G. M. van der Tol, L. M. Augustin, M. K. Smit, "Wavelength conversion with polarisation labelling for rejection and isolation of signals (POLARIS) ," Proc. 11th Eur. Conf. ECIO (2003) pp. 105-108.

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