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Flat passband birefringent wavelength-division multiplexers

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Abstract

Birefringent filter synthesis techniques are demonstrated to achieve very flat channel passbands for wavelength-division multiplexers. The crystal thickness and birefringence can be used to scale a given design to very small channel separations, limited primarily by the spectra of the lasers and their drift. Experimental results are reported, with typical optical crosstalk values of –19 dB.

References

    1. 1)
      • P. Melman , W.J. Carlsen , B. Foley . Tunable birefringent wavelength-division multiplexer/demultiplexer. Electron. Lett. , 634 - 635
    2. 2)
      • Foley, B., Carlsen, W.J., Melman, P.: `Tunable multiplexer/demultiplexer', Technical digest, IOOC-ECOC'85, p. 889–892.
    3. 3)
      • E.O. Ammann . (1971) Synthesis of optical birefringent networks, Progress in optics IX.
    4. 4)
      • A. Oppenheim , R. Schafer . (1975) , Digital signal processing.
    5. 5)
      • R.C. Jones . J. Opt. Soc. Am.. J. Opt. Soc. Am. , 488 - 493

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content/journals/10.1049/el_19870075
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