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Symmetric directional coupler switches

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2 Author(s)
Forber, R. ; Hughes Research Laboratories, Malibu, CA, USA ; Marom, E.

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 \lambda = 0.83 \mu m have a Vπvoltage length product under 30 V mm and an extinction ratio greater than 28 dB in each output state.

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Quantum Electronics, IEEE Journal of  (Volume:22 ,  Issue: 6 )