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Polarisation-independent configuration optical amplifier

Polarisation-independent configuration optical amplifier

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A new polarisation independent semiconductor laser amplifier is presented. By using a regular semiconductor amplifier in a double pass configuration, polarisation independent gain is achieved. Experiments demonstrate a reduction in the gain difference between TE and TM waves from 4dB to 0.2 dB.

References

    1. 1)
      • G. Grosskopf , R. Ludwig , R.G. Waarts , H.G. Weber . Optical amplifier configurations with low polarisation sensitivity. Electron. Lett. , 1387 - 1388
    2. 2)
      • Tench, R. E., Olsson, N. A., Tzeng, L. D., Cline, T. W., and Dixon, M.: ‘Polarisation insensitive lightwave receiver using optical amplifiers’. TM.
    3. 3)
      • W.L. Emkey . A polarization-independent optical circulator 1.3μm. J. Lightwave Technol. , 466 - 469
    4. 4)
      • R. Wolfe , V.J. Fratello , M. McGlashan-Powell . Elimination of birefringence in garnet films for magneto-optic waveguide devices. Appl. Phys. Lett. , 1221 - 1223
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