Acta Optica Sinica, Volume. 12, Issue 11, 1043(1992)
CaAs 2×2 Mach-Zehnder optic waveguide switch/modulator
This paper reports the research result of GaAg 2×2 asymmetric Mach-Zehnder waveguide switch/modulator. The mechanism of this device and the factors of crosstalk are analyzed. Instead of traditional Y-branches, two asymmetric X-junctions have used in the switch. An 3d B coupler with good performance is obtained. The device operating at λ=1.15 μm has a 12 V Switching voltage and a crosstalk ratio less than -22.4 dB. This kind of switch will find application in the switching arrays.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. CaAs 2×2 Mach-Zehnder optic waveguide switch/modulator[J]. Acta Optica Sinica, 1992, 12(11): 1043
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