Abstract
Abstract In this paper, we report the performance of a carrier depletion Silicon PIN phase shifter with over layer of 130 nm. It is observed that an optimum intrinsic gap of 250 nm for a device length of 5 mm at 2 V, resulted in Extinction Ratio (ER) of 23.41 dB and Bit Error Rate (BER) of 1.00 × 10−7 is obtained for 50 Gbps. The phase shifter is also designed for length 2 mm with an intrinsic gap of 100 nm at an operating voltage <4 V. The study also reveals that the proposed design for Mach-Zehnder modulator operating at a data rate of 100 Gbps for the concentration of P = 7 × 1017 cm−3 and N = 5 × 1017 cm−3 gives better BER and phase performance. The proposed design was also analysed in an intra-data centre communication setup of fibre length 15 km.
Highlights
High data rate transmission with low loss is required to meet current network demands
In this paper, we report the performance of a carrier depletion Silicon PIN phase shifter with over layer of 130 nm
It is observed that an optimum intrinsic gap of 250 nm for a device length of 5 mm at 2 V, resulted in Extinction Ratio (ER) of 23.41 dB and Bit Error Rate (BER) of 1.00 × 10−7 is obtained for 50 Gbps
Summary
High data rate transmission with low loss is required to meet current network demands. Silicon optical modulator is capable of meeting the demand with low cost and miniaturized footprint, due to fabrication using advanced Complementary Metal-Oxide-Semiconductor (CMOS) technologies. Significance of phase shifter in silicon modulator is highlighted in Mach-Zehnder or Ring resonator Modulators. Different types of charge carrier movement techniques are being adopted in phase shifters such as carrier injection, depletion, accumulation etc., to produce the modulation of the optical beam. Carrier depletion type modulators are widely studied because of their high-speed operation and simple. Arunagiri: Carrier depletion silicon PIN phase shifter rates with the selection of optimum intrinsic gap. Minimum insertion loss with high extinction ratio and low power consumption are preferable in MZM
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