Synthesis of large optical delays by mode coupling in electro-optically tunable TE-TM mode converters.
We report on a device capable of generating long optical path differences through the use of a combination of a tunable TE-TM converter and a phase shifter. The values that are achievable (~4 mm) are approximately three times higher than those obtained with integrated imbalanced Mach-Zehnder interferometers, with the additional advantage of low optical losses.
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Ramantoko
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Goedgebuer
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Porte