By allocating channels in the wavelength domain, wavelength division multiplexing (WDM) has demonstrated the most efficient use of the signal bandwidth offered by silica fiber. A key component for the WDM system is a wavelength tunable filter, which is used at the receiver front-end and at the transmitter site for wavelength monitoring. In this paper, we present results of tunable filters designed for wavelength monitoring. The device has demonstrated a record wide tuning range (341 nm) covering both 1.3 /spl mu/m and 1.55 /spl mu/m wavelength regimes. In combination with a custom designed electronic waveform generator and a photoreceiver, this device has also demonstrated its function as a wavelength meter with an accuracy of 0.7 nm. The surface micromachined tunable Fabry-Perot filter was fabricated on a double polished silicon substrate.


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    Title :

    Tunable filters with an ultrawide tuning range


    Contributors:
    Tran, A.T.T.D. (author) / Lopez, A.G. (author) / Lo, Y.H. (author) / Haronian, D. (author)


    Publication date :

    1996-01-01


    Size :

    172379 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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