Novel terahertz wave modulator based on modulated laser | Zendy

Jiusheng Li | Zendy

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Novel terahertz wave modulator based on modulated laser

Author(s) -

Jiusheng Li

Publication year - 2009

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.24798

Subject(s) - terahertz radiation , modulation (music) , microwave , materials science , optoelectronics , laser , attenuation , optics , frequency modulation , wafer , physics , engineering , electrical engineering , telecommunications , radio frequency , acoustics

A sample realizable method for terahertz wave modulation is demonstrated experimentally by using optical controllable ultra‐high resistivity silicon wafer. With modulated 100 mw of 808 nm CW light, a maximum of 21 dB terahertz attenuation was achieved with 0.2 kb/s of modulation speed. The experimental results show good agreement with the Drude‐Lorentz model. Further work is underway to improve the modulation speed above Mb/s. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2825–2826, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24798

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