Coherent optical communications provides the largest data transmission capacity with the
highest spectral efficiency and therefore has a remarkable potential to satisfy today's ever …

We demonstrate the generation of higher-order modulation formats using silicon-based
inphase/quadrature (IQ) modulators at symbol rates of up to 100 GBd. Our devices exploit …

Optical modulators encode electrical signals to the optical domain and thus constitute a key
element in high-capacity communication links,. Ideally, they should feature operation at the …

Silicon photonics has enormous potential for ultrahigh-capacity coherent optical
transceivers. We demonstrate an in-phase and quadrature (IQ) modulator using silicon …

We demonstrate an all-silicon segmented modulator with traveling-wave electrodes,
achieving an electro-optic bandwidth beyond 67 GHz and a of 5 V. We show that dividing a …

Advanced modulation formats call for suitable IQ modulators. Using the silicon-on-insulator
(SOI) platform we exploit the linear electro-optic effect by functionalizing a photonic …

To address the challenge of increasing data rates, next-generation optical communication
networks will require the co-integration of electronics and photonics. Heterogeneous …

Electro-optic modulation performs the conversion between the electrical and optical domain
with applications in data communication for optical interconnects, but also for novel optical …

The coherent transmission technology using digital signal processing and advanced
modulation formats, is bringing networks closer to the theoretical capacity limit of optical …

Electro-optic modulators provide a key function in optical transceivers and increasingly in
photonic programmable application-specific integrated circuits (ASICs) for machine learning …