Ultra-low noise 300 GHz signal generation with a Kerr soliton comb

Antoine Rolland

doi:10.1117/12.2633983

30 September 2022 Ultra-low noise 300 GHz signal generation with a Kerr soliton comb

Antoine Rolland

Proceedings Volume 12230, Terahertz Emitters, Receivers, and Applications XIII; 122300C (2022) https://doi.org/10.1117/12.2633983
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Record data rate in wireless networks, autonomous cars, imaging of cosmic radiation, and subatomic particle physics colliders, are among the applications that will be boosted by the emergence of a new class of millimeter-wave oscillators lying between the microwaves and the infrared light (100 GHz to a few THz). This emergence relies on how efficient and low noise those oscillators can be implemented, preferably in mass-production form factor. We have unlocked the limitations in terms of spectral purity that were, up until now, ruled by RF and microwave technologies. Here, a millimeter-wave at 300 GHz has been referenced to an optical signal for the first time enabling it to overcome constraints imposed by microwave references. The core of a novel oscillator, that we propose, consists in a dissipative Kerr soliton comb that is generated from a Silicon-nitride-chip-based microresonator. We demonstrate low phase noise 300 GHz wave generation through optical frequency division of an optically-carried multi-THz reference through an integrated dissipative Kerr soliton. The obtained phase noise at 10 kHz Fourier frequency, measured with a devised system, is -100 dBc/Hz.

Conference Presentation

Citation Download Citation

Antoine Rolland "Ultra-low noise 300 GHz signal generation with a Kerr soliton comb", Proc. SPIE 12230, Terahertz Emitters, Receivers, and Applications XIII, 122300C (30 September 2022); https://doi.org/10.1117/12.2633983

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