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Jyoti Gondane and Meena S. Panse
Self-mixing optical coherent detection is a non-contact measurement technique which provides accurate information about the vibration frequency of any test subject. In this research, novel designs of optical homodyne and heterodyne detection techniques a...
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Kestutis Ikamas, Dmytro B. But and Alvydas Lisauskas
Over the last two decades, photomixer-based continuous wave systems developed into versatile and practical tools for terahertz (THz) spectroscopy. The high responsivity to the THz field amplitude of photomixer-based systems is predetermined by the homody...
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Chaoqun Wang, Qiangxian Huang, Xuemeng Ding, Rongjun Cheng, Liansheng Zhang, Ruijun Li and Hongli Li
A homodyne interferometer is one of the most important tools in nanometre measurements. However, its nonlinear error seriously affects measurement accuracy at the sub-nanometre level. As one of the dominant factors that cause nonlinear error in a homodyn...
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Xinchao Ruan, Hang Zhang, Wei Zhao, Xiaoxue Wang, Xuan Li and Ying Guo
We investigate the optical absorption and scattering properties of four different kinds of seawater as the quantum channel. The models of discrete-modulated continuous-variable quantum key distribution (CV-QKD) in free-space seawater channel are briefly ...
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