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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 27, Iss. 21 — Nov. 1, 2009
  • pp: 4870–4877

Canonic Design of Parallel Cascades of Symmetric Two-Port Microring Networks

Vien Van

Journal of Lightwave Technology, Vol. 27, Issue 21, pp. 4870-4877 (2009)

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A method for obtaining the optimal canonic design of optical filters based on parallel-cascaded arrays of symmetric two-port microring networks is presented. The approach is based on the all-pass decomposition of the parallel-cascaded microring architecture, whereby the filter is transformed into an equivalent sum-difference all-pass microring circuit via a similarity transformation of the transfer matrix. The sum-difference transformation also helps reveal important properties of the parallel-cascaded microring architecture, such as the doubly complementary nature of its transfer functions, and the existence and uniqueness of the canonic form of parallel-cascaded arrays of symmetric microring networks.

© 2009 IEEE

Vien Van, "Canonic Design of Parallel Cascades of Symmetric Two-Port Microring Networks," J. Lightwave Technol. 27, 4870-4877 (2009)

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