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Recently, several terahertz (THz) wave technologies have been developed not only for spectroscopy of materials but also for application such as imaging for advanced medical science and a security service. However, still now there are some problems in the THz spectroscopic system. For example, the generated THz intensity is not so strong in standard laboratory system. Therefore, a development of lower-priced...
The emission wavelength of ultra-small photonic crystal laser is electrically controlled with an applied gate voltage. High quality factor porous-cavity laser design enables strong interaction between strong optical fields and infiltrated liquid crystals.
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