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A: Fachverband Atomphysik

A 5: Atomic clusters (together with MO)

A 5.2: Poster

Dienstag, 21. September 2021, 16:30–18:30, P

Atomic Physics in geographical systems — •Raquel Bustamante — Universidad Nacional de Lujan, Buenos Aires, Argentina

Silica microcombs have a high potential for generating tens ofgigahertz ofoptical pulse trains with ultralow timing jitter, which is highlysuitable for higher speed and higher bandwidth information systems. So far, the accurate characterization of timing jitter in microcombs has been limited by the mea- surement methods although theoretically predicted to be >20dB better performance, the true erformance has not been accurately measured until now. Here, using a self-heterodyne- based measurement method with 20 resolution, wehow that 2.6-fs rms timing jitter is possible for 22-GHz silica microcombs. We identified their origins, which suggests that silica microcombs may achieve 200-as-level jitter by better intensity noise control. This jitter performance can greatly benefit many high-speed and high-bandwidth applications including analog-to-digitalconversion, microwave generation, and optical ommunications.