ArticleScience advances2024
High-order direct modulation terahertz communications with a wideband time-coding metachip modulator.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- CMOS multifunctional programmable metachip for terahertz-integrated sensing and communication.Science advances · 2026Article
- Tailored nanoporous architecture in flexible polymeric aerogel enabling ultrabroadband PHz (VL)-THz-GHz wireless communication.Science advances · 2026Article
- Electrical Threshold Gain Engineering for High-Speed Direct Modulation in Two-Dimensional Semiconductor Laser.ACS nano · 2026Article
- A metasurface-enabled green-smart window for intelligent wireless communications with high visible transparency and low infrared emissivity.Nature communications · 2026Article
- Subarray programmable terahertz metasurface for optical logic and high-order amplitude modulation.Light, science & applications · 2026Article
- Space-time-coding metasurfaces for high-dimensional communications with OAM-, polarization-, and frequency-division multiplexing.Light, science & applications · 2026Article
- Dual-Side Hybrid Embedding Network for Gain Enhancement of Terahertz Amplifiers at Frequencies NearMicromachines · 2026Article
- A smart millimeter-wave base station for 6G application based on programmable metasurface.National science review · 2025Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Terahertz communication technology based on on-off keying (OOK) direct modulation is vital for sixth-generation communication systems, especially in short-distance and high-rate applications. However, low-order OOK modulation often leads to suboptimal anti-interference capabilities and a heightened demodulation threshold. Here, we propose a high-order direct modulation terahertz communication framework using a wideband time-coding metachip modulator. The modulator leverages the electromagnetic resonance properties within the metaunit structure, with control enabled by gallium arsenide Schottky diodes. By manipulating the timing of voltage pulses applied to these diodes, the equivalent electromagnetic resonance distributions can be precisely regulated in the time domain. This enables independent and accurate control over the amplitude and phase of terahertz harmonics. Leveraging this technique, three high-order modulation schemes-quadrature phase-shift keying, 16-phase-shift keying, and 16-quadrature amplitude modulation- are achieved in a direct modulation and direct detection system, demonstrating the real-time image transmission. The proposed method offers an important way to develop integrated and low-complexity terahertz wireless communication systems.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.