Nano force sensing using symmetric double stage micro resonator |
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| Affiliation: | 1. Institute of Advanced Photonics Science, ESciNano Research Alliance, Universiti Teknologi Malaysia (UTM), 81300 Johor Bahru, Malaysia;2. Nanoscale Science and Engineering Research Alliance (N’SERA), Faculty of Science, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailand;1. Dept. of Electronics and Multimedia Communications, FEI Technical University of Košice, Slovak Republic;2. Budapest University of Technology and Economics, Dept. of Measurement, Budapest, Hungary;1. University of Tunis El Manar, National Engineering School of Tunis Communications Systems LR-99-ES21(LR-Sys’Com-ENIT), 1002, Tunisia;2. University of Tunis El Manar, Higher Institute of Computer 2080, Ariana, Tunisia;3. Department of ECE, K L University, Guntur, Andhra Pradesh, India;4. Department of ECE, Mount Zion College of Engineering and Technology, Pudukkottai, Tamil Nadu, India;5. Department of Physics, Govt. Engineering College, Bikaner, 334004, Rajasthan, India;1. School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, People''s Republic of China;2. National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki, 305 0044, Japan;3. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki, 305-0044, Japan;4. Research Center for Magnetic and Spintronic Materials, National Institute for Materials Sciences (NIMS), Sengen 1-2-1, Ibaraki, 305-0047, Japan;5. Research Network and Facility Services Division, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan |
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| Abstract: | A new approach is proposed to improve a graphical approach with considering intensity coupling loss coefficients in the analytical derivation of the optical transfer functions for a symmetric double stage vertically coupled microring resonator. An optimum transmission coupling condition is determined with considering terms of couplers intensity loss which leads to low insertion loss of 1.2 dB, finesse of 1525, the out of band rejection ratio of 61.8 dB. The resonating system is used as an optical force sensing system to make the benefit of the accuracy of measurements in micro and nano scales. The sensitivity of proposed force sensor in terms of wavelength-shift is 33 nm/nN and the limit of detection is 1.6 × 10−2 nN. The proposed sensing system has the advantages of self-calibration and the low power consumption due to the low intensity. |
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| Keywords: | Vernier effect Force sensor Signal flow graph method Coupler loss |
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