Hassan Sepehrian
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View article: Silicon Photonic IQ Modulators for 400 Gb/s and Beyond
Silicon Photonic IQ Modulators for 400 Gb/s and Beyond Open
Silicon photonics has enormous potential for ultrahigh-capacity coherent optical transceivers. We demonstrate an IQ modulator using silicon photonic traveling-wave modulators optimized for higher-order quadrature amplitude modulation (QAM)…
View article: Single-carrier 72 GBaud 32QAM and 84 GBaud 16QAM transmission using a SiP IQ modulator with joint digital-optical pre-compensation
Single-carrier 72 GBaud 32QAM and 84 GBaud 16QAM transmission using a SiP IQ modulator with joint digital-optical pre-compensation Open
We establish experimentally the suitability of an all-silicon optical modulator to support future ultra-high-capacity coherent optical transmission links beyond 400 Gb/s. We present single-carrier data transmission from 400 Gb/s to 600 Gb/…
View article: Mitigating pattern dependent nonlinearity in SiP IQ-modulators via iterative learning control predistortion
Mitigating pattern dependent nonlinearity in SiP IQ-modulators via iterative learning control predistortion Open
Silicon based Mach Zehnder modulators, unlike lithium niobate, suffer from nonlinear pattern-dependent behavior beyond simple intersymbol interference. We experimentally demonstrate a novel predistortion method based on the iterative learn…