A method for the synthesis of optical filters consisting of a cascade of N-coupled rings is presented, The procedure is based on the definition of a polynomial whose roots are the zeros of the channel-dropping transmittance characteristic and provides directly the ring electrical lengths and the mutual coupling coefficients. A design example of a Chebyshev-type 6-ring bandpass filter is presented.
Synthesis of multiple-ring-resonator filters for optical systems
Orta R;Tascone R;
1995
Abstract
A method for the synthesis of optical filters consisting of a cascade of N-coupled rings is presented, The procedure is based on the definition of a polynomial whose roots are the zeros of the channel-dropping transmittance characteristic and provides directly the ring electrical lengths and the mutual coupling coefficients. A design example of a Chebyshev-type 6-ring bandpass filter is presented.File in questo prodotto:
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