首页|Tunable artificial plasmonic nanolaser with wide spectrum emission operating at room temperature
Tunable artificial plasmonic nanolaser with wide spectrum emission operating at room temperature
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With the rapid development of information and communication technology,a key objective in the field of optoelec-tronic integrated devices is to reduce the nano-laser size and energy consumption.Photonics nanolasers are unable to exceed the diffraction limit and typically exhibit low modulation rates of several GHz.In contrast,plasmonic nanolaser utilizes highly confined surface plasmon polariton(SPP)mode that can exceed diffraction limit and their strong Purcell effect can accelerate the modulation rates to several THz.Herein,we propose a parametrically tunable artificial plasmonic nanolasers based on metal-insulator-semiconductor-insulator-metal(MISIM)structure,which demonstrates its ability to compress the mode field volume to λ/14.As the pump power increases,the proposed artificial plasmonic nanolaser ex-hibits 20-nm-wide output spectrum.Additionally,we investigate the effects of various cavity parameters on the nanolaser's output threshold,offering potentials for realizing low-threshold artificial plasmonic nanolasers.Moreover,we observe a blue shift in the center wavelength of the nanolaser output with thinner gain layer thickness,predominantly attributed to the increased exciton-photon coupling strength.Our work brings inspiration to several areas,including spaser-based in-terconnects,nano-LEDs,spontaneous emission control,miniaturization of photon condensates,eigenmode engineering of plasmonic nanolasers,and optimal design driven by artificial intelligence(AI).
surface plasmon polaritonsnanolaserultrafastMISIM
周鹏、郭佳琦、梁琨、金磊、梁熊玉、李俊强、邓绪彦、秦建宇、张家森、于丽
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State Key Laboratory of Information Photonics and Optical Communications,School of Science,Beijing University of Posts and Telecommunications,Beijing 100876,China
State Key Laboratory for Artificial Microstructures and Mesoscopic Physics,School of Physics,Peking University,Beijing 100876,China
Peking University Yangtze Delta Institute of Optoelectronics,Peking University,Nantong 226010,China
国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金中央高校基本科研业务费专项Fund from the State Key Laboratory of Information Photonics and Optical Communication,China
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