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A new optical wavelength-selective waveguide modulator consisting of a simple distributed Bragg reflector (DBR) integrated in a two-mode straight waveguide with ITO thin film is proposed and theoretically discussed. The waveguide has double guiding core layers and support two TM guided modes. One is used as a transmission mode whereas the other is as a modulation mode. A wave of a specified wavelength...
Simple integrated-photonic device capable of wavelength-selective optical modulation in a single straight waveguide is proposed and discussed. An interferometer is formed by three distributed Bragg reflectors. Construction of the interferometer was experimentally confirmed.
Concept of a waveguide DBR of which transmittance is varied by controlling the reflection to another guided mode was proposed. Reflection dependence on guided-mode attenuation was theoretically predicted and experimentally confirmed.
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