[13p-PA2-1~11] 3.14 Optical control devices and optical fibers

[13p-PA2-4] Nested Optical Switch with Phase Generating Couplers Arranged in Mirror Symmetry

Kohei Tasaki¹, 〇Toshio Watanabe¹, Tsutomu Nagayama¹, Seiji Fukushima¹ (1.Kagoshima Univ.)

Keywords:optical switch, optical waveguide, phase generating coupler

We exhibit that optical crosstalk of a nested Mach-Zehnder interferometer optical switch is suppressed over wide wavelength range by using phase generating couplers arranged in mirror symmetry.