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|Title:||Symmetrical 1×2 digital photonic splitting switch with low electrical power consumption in SiGe waveguides|
|Citation:||Li, B., Zhang, Y., Teng, L., Zhao, Y., Chua, S.-J., Wang, X. (2005-01). Symmetrical 1×2 digital photonic splitting switch with low electrical power consumption in SiGe waveguides. Optics Express 13 (2) : 654-659. ScholarBank@NUS Repository. https://doi.org/10.1364/OPEX.13.000654|
|Abstract:||A symmetrical digital photonic splitting switch with a low insertion loss and a low driving voltage is developed using carrier injection in a silicon-germanium material for optical communication systems and networks at a wavelength of 1.55 μm. The switch structure has been improved based on a traditional 1×2 Y-shaped configuration by using two widened carrier injection regions. The switch has a threshold voltage of 1.0 V and a corresponding threshold current of 85 mA on one of the two output waveguide arms. The calculated driving current density is 5.7 kA/cm2 and the calculated power consumption is 85 mW at the 85 mA of threshold current. The measured insertion loss and the crosstalk are 5.2 dB and -9.6 dB, respectively, at driving voltage over 2 V. © 2005 Optical Society of America.|
|Source Title:||Optics Express|
|Appears in Collections:||Staff Publications|
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