Thermo-Optic Devices Using Polymer Waveguides(Special Issue on Recent Progress in Organic Molecular Electronics)

概要

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We have developed a 2 × 2 digital optical switch (DOS) composed of four 1 × 2 DOS elements and a thermo-optic wavelength tunable filter using silicone resin waveguides. The 2 × 2 DOS operated with a switching power of 380 mW, a very low crosstalk of less than -60 dB, and a low insertion loss of less than 2.5dB at 1.55μm. We have also developed two types of polymer thermo-optic wavelength tunable filter with a pair of triangular phase shifters. One filter is designed for a large-scale WDM system (32 channels, 0.8 nm spacing) and the other for a small-scale WDM system (10 channels, 0.8 nm spacing). We optimized the arrayed waveguide number, reducing the operating power required by these filters. Moreover, they both operated with a low crosstalk of < -25 dB.
社団法人電子情報通信学会の論文
2002-06-01