The use of chip-based micro-resonator Kerr frequency combs in conjunction with dense wavelength-d... more The use of chip-based micro-resonator Kerr frequency combs in conjunction with dense wavelength-division multiplexing (DWDM) enables massively parallel intensity-modulated direct-detection (IM-DD) data transmission with low energy consumption. Resonator-based modulators and filters used in such systems can limit the number of usable wavelength channels due to practical constraints on the maximum achievable free spectral range (FSR). In this work, we introduce the design of multi-Tb/s comb-driven resonator-based silicon photonic links by leveraging the multi-FSR regime. We demonstrate the viability of the link architecture with yield estimates that are supported by extensive wafer-scale measurements of 704 micro-resonators fabricated in a commercial complementary metal–oxide–semiconductor (CMOS) foundry. We show that a 2.80 Tb/s link is realizable with a ≥ 6σ yield (~99.999%), and aggregate bandwidths of 3.76 Tb/s and 4.72 Tb/s are possible if yield targets are relaxed (3σ and 1σ res...
Optical Fiber Communication Conference (OFC) 2020, 2020
We present the first experimental demonstration of a 25 Gbps optical PAM4 signal transmission thr... more We present the first experimental demonstration of a 25 Gbps optical PAM4 signal transmission through a microring-based Clos topology under realistic operating conditions. We observe a 1.1-dBm power penalty at the bit error rate of 1.03 × 10−7.
The use of chip-based micro-resonator Kerr frequency combs in conjunction with dense wavelength-d... more The use of chip-based micro-resonator Kerr frequency combs in conjunction with dense wavelength-division multiplexing (DWDM) enables massively parallel intensity-modulated direct-detection (IM-DD) data transmission with low energy consumption. Resonator-based modulators and filters used in such systems can limit the number of usable wavelength channels due to practical constraints on the maximum achievable free spectral range (FSR). In this work, we introduce the design of multi-Tb/s comb-driven resonator-based silicon photonic links by leveraging the multi-FSR regime. We demonstrate the viability of the link architecture with yield estimates that are supported by extensive wafer-scale measurements of 704 micro-resonators fabricated in a commercial complementary metal–oxide–semiconductor (CMOS) foundry. We show that a 2.80 Tb/s link is realizable with a ≥ 6σ yield (~99.999%), and aggregate bandwidths of 3.76 Tb/s and 4.72 Tb/s are possible if yield targets are relaxed (3σ and 1σ res...
Optical Fiber Communication Conference (OFC) 2020, 2020
We present the first experimental demonstration of a 25 Gbps optical PAM4 signal transmission thr... more We present the first experimental demonstration of a 25 Gbps optical PAM4 signal transmission through a microring-based Clos topology under realistic operating conditions. We observe a 1.1-dBm power penalty at the bit error rate of 1.03 × 10−7.
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Papers by Keren Bergman