Asymmetric X-junction thermooptic switches based on fluorinated polymer waveguides

被引:59
作者
Oh, MC [1 ]
Lee, HJ [1 ]
Lee, MH [1 ]
Ahn, JH [1 ]
Han, SG [1 ]
机构
[1] Elect & Telecommun Res Inst, Photon Switching Sect, Taejon 305350, South Korea
关键词
optical switches; plastic devices; polymer waveguides; thermooptic devices;
D O I
10.1109/68.681493
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Thermooptic 2 x 2 switches based on low-loss fluorinated polymer waveguides have been demonstrated. For the waveguide possessing a low-loss around the 1.55-mu m wavelength, crosslinkable fluorinated poly(arylene ethers) (FPAE) is developed as a core material and perfluorocyclobutane (PFCB) is used as a cladding material. To enhance the fabrication tolerance and to achieve a low switching power, asymmetric X-junctions with a Mach-Zehnder interferometer are exploited for the polymeric waveguide switches. An inverted rib waveguide structure is fabricated by filling up the etched groove on a lower cladding with the core polymer. The switch exhibits a crosstalk of less than -20 dB, a switching power of 10 mW, and an insertion loss of 4.5 dB.
引用
收藏
页码:813 / 815
页数:3
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