Symmetric Directional Coupler Switches

Richard A. Forber, Emanuel Marom

Research output: Contribution to journalArticlepeer-review


Operation and design considerations are described for a general class of symmetric directional coupler switches. Performance limitations are discussed in terms of asymmetries. Comparisons are made between various waveguide and electrode geometries, Measured devices operating at λ = 0.83 μm have a Vπ voltage ⋅ length product under 30 V ⋅ mm and an extinction ratio greater than 28 dB in each output state.

Original languageEnglish
Pages (from-to)911-919
Number of pages9
JournalIEEE Journal of Quantum Electronics
Issue number6
StatePublished - Jun 1986
Externally publishedYes


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