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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 19, Iss. 4 — Apr. 1, 2001
  • pp: 512–

Design and Characterization of Compact Single-Section Passive Polarization Rotator

B. M. A. Rahman, S. S. A. Obayya, N. Somasiri, M. Rajarajan, K. T. V. Grattan, and H. A. El-Mikathi

Journal of Lightwave Technology, Vol. 19, Issue 4, pp. 512- (2001)


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Abstract

In this paper, an improved design for a short and low-loss polarization rotator is proposed, consisting of a single-section asymmetrical waveguide butt-coupled between two standard rib waveguides. At a wavelength of 1.55 m, nearly 100% polarization conversion ratio is obtained, with a relatively short (320 m) device length and an extremely low 0.5 dB total insertion loss. The simulation results are obtained using the full vectorial finite-element-based beam propagation, the junction analysis, and the modal solution approaches.

[IEEE ]

Citation
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- (2001)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-19-4-512


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References

  1. R. C. Alferness and L. L. Buhl, "High-speed waveguide electro-optic polarization modulator", Opt. Lett., vol. 7, pp. 500-502, 1982.
  2. S. S. A. Obayya, B. M. A. Rahman and H. A. El-Mikati, "New full-vectorial numerically efficient propagation algorithm based on the finite element method", J. Lightwave Technol., vol. 18, pp. 409-415, Mar. 2000.
  3. B. M. A. Rahman and J. B. Davies, "Analysis of optical waveguide discontinuities", J. Lightwave Technol., vol. 6, pp. 52-57, 1988.
  4. M. Rajarajan, B. M. A. Rahman, T. Wongcharoen and K. T. V. Grattan, "Accurate characterization of MMI devices with 2-dimensional confinement", J. Lightwave Technol., vol. 14, pp. 2078-2084, 1996.

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