Wavelength-Insensitive Nonadiabatic Mode Evolution Couplers

George T. Paloczi*, Avishay Eyal, Amnon Yariv

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We investigate the wavelength insensitivity and fabrication error tolerance of the relative output amplitude and phase for a new type of optical coupler. This new coupler overcomes the long-length requirements of adiabatic couplers, yet achieves similar desirable properties. The three-space geometrical representation of coupled-mode theory, used as the design and analysis method, is presented and an example of a 3-dB coupler is examined.

Original languageEnglish
Pages (from-to)515-517
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number2
StatePublished - Feb 2004


FundersFunder number
Office of Naval Research
Air Force Office of Scientific Research
Defense Advanced Research Projects Agency


    • Coupled-mode theory (CMT)
    • Integrated optics
    • Optical couplers
    • Optical waveguides
    • Poincaré sphere


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