Journal
JOURNAL OF COMMUNICATIONS AND NETWORKS
Volume 15, Issue 6, Pages 569-575Publisher
KOREAN INST COMMUNICATIONS SCIENCES (K I C S)
DOI: 10.1109/JCN.2013.000105
Keywords
Coherent carrier; optical frequency comb; phase stabilization; THz wave
Funding
- JST-ANR WITH program
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In this paper, we present a photonic approach for generating highly stable coherent sub-terahertz (THz) signals for wireless communications. As proof-of-concept we transmit data at 100 GHz carrier frequency using on-off keying modulation and heterodyne detection. The sub-THz carrier signals are generated by photo-mixing two optical carrier signals at different frequencies, extracted from an optical frequency comb. We introduce a novel system to stabilize the phase of the optical carrier signals. Error-free transmission is successfully achieved up to a bit rate of 8.5 Gbit/s at 100 GHz.
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