Journal Article10.1063/1.1511814
Polyimide-waveguide-based thermal optical switch using total-internal-reflection effect
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TL;DR: In this paper, a total internal reflection waveguide switch with an X junction was designed and fabricated by using the thermo-optic effect of polyimide materials, and the switching power with the current electrode was 132 mW, which can be reduced to 20-30 mW with an optimized design together with electroplating to form a thick conducting path.
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Abstract: A total-internal-reflection waveguide switch with an X junction was designed and fabricated by using the thermo-optic effect of polyimide materials. Experimental results show that the crosstalk is below −28 dB at the wavelength of 1.55 μm. The switching power with the current electrode is 132 mW, which can be reduced to 20–30 mW with an optimized design together with electroplating to form a thick conducting path.
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References
Polymer waveguide thermooptic switch with low electric power consumption at 1.3 mu m
Y. Hida,H. Onose,S. Imamura +2 more
TL;DR: In this article, a polymer waveguide thermooptic 2*2 switch with low electric power consumption is demonstrated, which consists of a Mach-Zehnder interferometer with thin-film heaters.
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Optical waveguide parabolic coupling horns
TL;DR: In this paper, a parabolic shape is proposed to provide adiabatic transition regions between wide and narrow-channel optical waveguides, which is consistent with diffraction theory in the wide-channel limit.
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Polymer waveguide optical switch with <-40 dB polarisation independent crosstalk
TL;DR: In this article, a polymer waveguide thermooptic (2×2) switch was proposed, which exhibits very low polarisation independent crosstalk of <−40 dB for either switching state with only 3 mW (cross state) and 20 mW electrical power consumption at λ = 1.55 µm.
34
The Chip. A methodology for fast SPICE simulation of frequency synthesizers
Yiwu Tang,Mohammed Ismail +1 more
TL;DR: In this paper, a mixed-mode methodology that uses macromodels for the digital parts while keeping the critical analog parts at the transistor level is presented for phase-lock loops, another widely used mixed-signal feedback system.
7
•Journal Article
A Methodology for Fast SPICE Simulation of Frequency Synthesizers
Yiwu Tang,Mohammed Ismail +1 more
TL;DR: A mixed-mode methodology that uses macromodels for the digital parts while keeping the critical analog parts at the transistor level is discussed and it is shown that the method is effective and maintains very high accuracy.
7