A stable and tunable parity-time (PT) symmetric single-longitudinal-mode fiber laser using a nonreciprocal Sagnac loop is proposed, which is experimentally and numerically demonstrated. The ...

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In this paper, a low-cost-ZVS-Class-E converter using PT to replace conventional LCC resonant tank has been proposed. The main contributions are as the follows: (1) The behaviors of proposed Class-E ...

BACKGROUND AND OBJECTIVES: Primary dysmenorrhea (PD) is a common gynaecological disorder characterized by pain in the abdominal region without pelvic disease. Evidence suggests that PD-related pain ...