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DOI: 10.17586/1023-5086-2018-85-06-06-11
Single reflection nanocavity enhanced transmission efficiency of nanoplasmonic wavelength demultiplexer
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Publication in Journal of Optical Technology
Qi Ma, Guangqiang Liu, Yiqing Chen, Qian Zhao, Shaosong Yang, Jing Guo, Weiping Cai Single reflection nanocavity enhanced transmission efficiency of nanoplasmonic wavelength demultiplexer (Повышение эффективности пропускания каналов наноплазмонного волноводного демультиплексора с использованием единичного отражательного нанорезонатора) [на англ. яз.] // Оптический журнал. 2018. Т. 85. № 6. С. 6–11. http://doi.org/10.17586/1023-5086-2018-85-06-06-11
Qi Ma, Guangqiang Liu, Yiqing Chen, Qian Zhao, Shaosong Yang, Jing Guo, Weiping Cai Single reflection nanocavity enhanced transmission efficiency of nanoplasmonic wavelength demultiplexer (Повышение эффективности пропускания каналов наноплазмонного волноводного демультиплексора с использованием единичного отражательного нанорезонатора) [in English] // Opticheskii Zhurnal. 2018. V. 85. № 6. P. 6–11. http://doi.org/10.17586/1023-5086-2018-85-06-06-11
Qi Ma, Guangqiang Liu, Yiqing Chen, Qian Zhao, Shaosong Yang, Jing Guo, and Weiping Cai, "Single reflection nanocavity enhanced transmission efficiency of a nanoplasmonic wavelength demultiplexer," Journal of Optical Technology. 85(6), 317-321 (2018). https://doi.org/10.1364/JOT.85.000317
As a kind of nanostructure device, Surface Plasmon Polaritons (SPPs) nanostructure filter can realize the effective manipulation of photons at nanometer or subwavelength scale. Among them, kinds of resonator-based multiplexer channel drop filters have been proposed and studied widely. However, a main problem is that the transmission efficiencies of such filters are relatively low. Thus, reflection cavities are designed for enhancing the transmission efficiency obviously. However, traditional demultiplexer usually requires several reflection cavities, because only one mode is utilized in a reflection cavity. In this paper, single reflection cavity is firstly designed to enhance the transmission efficiency of three channels at the same time via utilizing multiple modes in the reflection cavity. The theory and simulation analysis confirm the validity of such structure, the transmission efficiency of the three channels can be doubled. We believe this work provides novel notions for the design for demultiplexer filter.
surface plasmons, wavelength filtering, multiplexing, subwave length
Acknowledgements:The research was supported by the National Key Research and Development Program of China (Grant No 2017YFA0207101), National Natural Science Foundation of China (Grant No. 51531006, 11574313, 11374300, and 51571188), Natural Science Foundation of Anhui Province (Grant No. 1508085MA16), and CAS/SAF International Partnership Program for Creative Research Teams.
OCIS codes: 240.6680, 130.7408, 060.4230, 030.4070
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