Dual Band Optical Mux/Demux and apparatus comprising the same

Matteo Cherchi (Inventor)

    Research output: PatentPatent application

    Abstract

    An optical device for splitting/combining a first and a second optical wavelength band has a first, a second and a third optical splitting device optically coupled in cascade and a first and a second differential optical delay device optically coupled to, and interleaved between, the optical splitting devices. This structure together with a suitable choice of the coupling coefficients of the splitting devices and of the differential delays of the differential optical delay devices achieves flattened pass bands and stop-bands and makes the optical device tolerant fluctuations of the structural parameters. An apparatus comprising the optical device is also disclosed for use in fiber-to-the-premises networks.

    Original languageEnglish
    Patent numberWO2005106550 A1
    IPCG02B6/28
    Priority date30/04/04
    Publication statusPublished - 10 Nov 2005
    MoE publication typeNot Eligible

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    coupling coefficients
    cascades
    fibers
    wavelengths

    Cite this

    Cherchi, M. (2005). IPC No. G02B6/28. Dual Band Optical Mux/Demux and apparatus comprising the same. (Patent No. WO2005106550 A1).
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    abstract = "An optical device for splitting/combining a first and a second optical wavelength band has a first, a second and a third optical splitting device optically coupled in cascade and a first and a second differential optical delay device optically coupled to, and interleaved between, the optical splitting devices. This structure together with a suitable choice of the coupling coefficients of the splitting devices and of the differential delays of the differential optical delay devices achieves flattened pass bands and stop-bands and makes the optical device tolerant fluctuations of the structural parameters. An apparatus comprising the optical device is also disclosed for use in fiber-to-the-premises networks.",
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    Cherchi, M 2005, Dual Band Optical Mux/Demux and apparatus comprising the same, Patent No. WO2005106550 A1, IPC No. G02B6/28.

    Dual Band Optical Mux/Demux and apparatus comprising the same. / Cherchi, Matteo (Inventor).

    IPC No.: G02B6/28. Patent No.: WO2005106550 A1.

    Research output: PatentPatent application

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    N2 - An optical device for splitting/combining a first and a second optical wavelength band has a first, a second and a third optical splitting device optically coupled in cascade and a first and a second differential optical delay device optically coupled to, and interleaved between, the optical splitting devices. This structure together with a suitable choice of the coupling coefficients of the splitting devices and of the differential delays of the differential optical delay devices achieves flattened pass bands and stop-bands and makes the optical device tolerant fluctuations of the structural parameters. An apparatus comprising the optical device is also disclosed for use in fiber-to-the-premises networks.

    AB - An optical device for splitting/combining a first and a second optical wavelength band has a first, a second and a third optical splitting device optically coupled in cascade and a first and a second differential optical delay device optically coupled to, and interleaved between, the optical splitting devices. This structure together with a suitable choice of the coupling coefficients of the splitting devices and of the differential delays of the differential optical delay devices achieves flattened pass bands and stop-bands and makes the optical device tolerant fluctuations of the structural parameters. An apparatus comprising the optical device is also disclosed for use in fiber-to-the-premises networks.

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