650万英镑项目“开启”太赫兹频谱
据研究人员介绍，太赫兹波段的可用带宽比整个分配无线电频谱要宽30倍。研究人员预计10年之内太赫兹将会广泛应用，包括用于室内"超级Wi-Fi"的超宽带无线技术，以及用于生产控制、安保和医疗的THZ传感和成像系统。
伦敦大学学院电子与电气工程学院的负责人兼首席研究员Alwyn Seeds教授表示，该研究项目将使太赫兹波段最终全面发挥它的科学和商业潜能。
目前，太赫兹技术被认为是复杂且需求量大的一种技术。COTS项目将汇集太赫兹量子级联激光器、微波光子学以及太赫兹量子态控制的先驱团队，旨在通过利用实现相干技术的光子学展开太赫兹频谱在科学和商业方面的广泛应用。
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£6.5million project to ‘unlock’ the terahertz spectrum
University College London, Cambridge and Leeds Universities are joining together in a £6.5million research project to unlock what they call the 'underused and unchartered terahertz (THz) region of the electromagnetic spectrum'.The COTS – Coherent Terahertz Systems – Project is funded by the Engineering and Physical Sciences Research Council (EPSRC).
According to the researchers, there is 30 times more bandwidth available in the THz region than in the entire allocated radio spectrum. Within 10 years, researchers anticipate widespread THz applications, including ultra broadband wireless technology for indoor 'super Wi-Fi' to THz sensing and imaging systems in the production control, security and medical sectors.
Principal investigator Professor Alwyn Seeds, head of the Department of Electronic and Electrical Engineering at UCL, said: "This programme will enable us to address the THz spectrum with the same precision and sensitivity as is today possible at radio frequencies, leading to this underused part of the electromagnetic spectrum finally achieving its full scientific and commercial potential."
Current THz technologies are said to be complex, bulky and power hungry. The COTS programme will bring together teams that have pioneered THz quantum cascade lasers, microwave photonics and THz quantum state control with the objective of opening up the THz spectrum for widespread scientific and commercial application through the use of photonics enabled coherent techniques.
来源：newelectronics
作者：Graham Pitcher
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