Seiler, Pascal M.Georgieva, GalinaWinzer, GeorgPeczek, AnnaVoigt, KarstenLischke, StefanFatemi, AdelZimmermann, Lars2022-02-102022-02-102021-10-272095-2759https://depositonce.tu-berlin.de/handle/11303/16328http://dx.doi.org/10.14279/depositonce-15103Upcoming generations of coherent intra/inter data center interconnects currently lack a clear path toward a reduction of cost and power consumption, which are the driving factors for these data links. In this work, the tradeoffs associated with a transition from coherent C-band to O-band silicon photonics are addressed and evaluated. The discussion includes the fundamental components of coherent data links, namely the optical components, fiber link and transceivers. As a major component of these links, a monolithic silicon photonic BiCMOS O-band coherent receiver is evaluated for its potential performance and compared to an analogous C-band device.en530 Physikcoherent communicationdata centerO-bandsilicon photonicsArticle2095-2767