60 Gbps real-time wireless communications at 300 GHz carrier using a Kerr microcomb

Abstract

Future wireless communication infrastructure will rely on terahertz systems that can support an increasing demand for large-bandwidth, ultra-fast wireless data transfer. In order to satisfy this demand, compact, low-power, and low noise sources of terahertz radiation are being developed. A promising route to achieving this goal is combining photonic-integrated optical frequency combs with fast photodiodes for difference frequency generation in the THz. Here, we demonstrate wireless communications using a 300 GHz carrier wave generated via photomixing of two optical tones originating from diode lasers that are injection locked to a dissipative Kerr soliton frequency microcomb. We achieve transfer rates of 80 Gbps using homodyne detection and 60 Gbps transmitting simultaneously both data and clock signals in a dual-path wireless link. This experimental demonstration paves a path towards low-noise and integrated photonic millimeter-wave transceivers for future wireless communication systems.

References in corpus (10)

• What should 6G be?
• Integrated turnkey soliton microcombs operated at CMOS frequencies
• Photonic microwave signals with zeptosecond level absolute timing noise
• A photonic integrated circuit based erbium-doped amplifier
• Hybrid integration of silicon photonics circuits and InP lasers by photonic wire bonding
• Generalized Kramers-Kronig Receiver for Coherent THz Communications
• Thermal and Nonlinear Dissipative-Soliton Dynamics in Kerr Microresonator Frequency Combs
• 300 GHz wave with attosecond-level timing noise
• Coherent Optical Clock Down-Conversion for Microwave Frequencies with 10-18 Instability
• Amplification and phase noise transfer of a Kerr microresonator soliton comb for low phase noise THz generation with a high signal-to-noise ratio

Cited by in corpus (2)

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• Impact of Device Resistances in the Performance of Graphene-based Terahertz Photodetectors