Design of Efficient Tunable Terahertz-Wave Parametric Oscillator |
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Authors: | SIDDIQUE Muhamma ZHANG Wei LI Zhuo and YANG Su-hui |
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Affiliation: | School of Information Science and Technology, Beijing Institute of Technology,Beijing 100081, China;School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China;School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China;School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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Abstract: | An efficient widely tunable terahertz(THz)-wave parametric oscillator (TPO) has been designed based on the basic principle of optical parametric oscillator. The design of TPO comprises the theoretical calculations for wavelength dependent refractive index dependent wavelength when the frequency is in the far infrared region, the low-loss parametric gain has been discussed as a same form as the parametric gain in the optical region, realized the non-collinear phase-matching conditions of the terahertz optical parametric oscillator and structure of lithium niobate (LiNbO3) for TPO. The tunable spectrum range of terahertz-wave has been achieved. To increase THz output, a cut exit was made at the corner of the LiNbO3 crystal. |
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Keywords: | terahertz-wave(THz-wave) non-linear optics phase matching optical parametric oscillator |
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