Analysis of mode characteristics for microcircular resonators confined by different metallic materials
Mode characteristics of metallically confined microcircular resonators are theoretically studied by solv- ing eigenvalue equations for two-dimensional multilayer structures. The influences of conventional metals includ- ing Au, Ag, Cu, A1, and Ti, on the mode wavelengths and Q factors of whispering...
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Published in | Journal of semiconductors Vol. 37; no. 12; pp. 51 - 58 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
01.12.2016
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Online Access | Get full text |
ISSN | 1674-4926 |
DOI | 10.1088/1674-4926/37/12/124004 |
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Abstract | Mode characteristics of metallically confined microcircular resonators are theoretically studied by solv- ing eigenvalue equations for two-dimensional multilayer structures. The influences of conventional metals includ- ing Au, Ag, Cu, A1, and Ti, on the mode wavelengths and Q factors of whispering gallery modes (WGMs) are an- alyzed and compared. The results show silver has the best optical confinement among these metals, and aluminum presents similar behavior to Au. However, Ti, which is usually applied to enhance the adhesion of p-electrode to semiconductors, results in a great dissipation for confined modes. Furthermore, circular microlasers with A1 as both p-electrode and optical confinement medium are fabricated, and continuous-wave operations are realized at room temperature for the microlasers with a radius of 15μm. |
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AbstractList | Mode characteristics of metallically confined microcircular resonators are theoretically studied by solv- ing eigenvalue equations for two-dimensional multilayer structures. The influences of conventional metals includ- ing Au, Ag, Cu, A1, and Ti, on the mode wavelengths and Q factors of whispering gallery modes (WGMs) are an- alyzed and compared. The results show silver has the best optical confinement among these metals, and aluminum presents similar behavior to Au. However, Ti, which is usually applied to enhance the adhesion of p-electrode to semiconductors, results in a great dissipation for confined modes. Furthermore, circular microlasers with A1 as both p-electrode and optical confinement medium are fabricated, and continuous-wave operations are realized at room temperature for the microlasers with a radius of 15μm. |
Author | 姚齐峰 黄永箴 杨跃德 肖金龙 |
AuthorAffiliation | State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China。BeijingEngineeringResearchCenterofOptoelectronicInformationandInstrument,BeijingInformationScienceandTechnologyUniversity,Beijing100192,China Beijing Engineering Research Center of Optoelectronic Information and Instrument, Beijing Information Scienceand Technology University, Beijing 100192, China |
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Cites_doi | 10.1002/pssb.200945436 10.1109/JQE.2007.910451 10.1109/JQE.2009.2024006 10.1364/AO.51.003930 10.1364/OE.19.013225 10.1109/JLT.2012.2234437 10.1364/OE.17.011107 10.1103/PhysRevB.85.041301 10.1364/OE.18.019581 10.1103/PhysRevB.71.085416 10.1109/LPT.2010.2056361 10.1038/nphoton.2010.88 10.1038/nmat2919 10.1109/JQE.2009.2031616 10.1038/nphoton.2007.171 10.1021/nl1021706 10.1364/OL.33.001261 10.1109/JPHOT.2011.2138690 |
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Notes | Mode characteristics of metallically confined microcircular resonators are theoretically studied by solv- ing eigenvalue equations for two-dimensional multilayer structures. The influences of conventional metals includ- ing Au, Ag, Cu, A1, and Ti, on the mode wavelengths and Q factors of whispering gallery modes (WGMs) are an- alyzed and compared. The results show silver has the best optical confinement among these metals, and aluminum presents similar behavior to Au. However, Ti, which is usually applied to enhance the adhesion of p-electrode to semiconductors, results in a great dissipation for confined modes. Furthermore, circular microlasers with A1 as both p-electrode and optical confinement medium are fabricated, and continuous-wave operations are realized at room temperature for the microlasers with a radius of 15μm. 11-5781/TN resonators; whispering gallery modes; mode Q factor; metallic dissipation; microlasers |
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References | 11 Palik ED (16) 1985 12 Ning C Z (8) 2010; 247 13 14 15 17 18 19 Fanfan Zhang (21) 2014; 35 1 2 3 4 5 6 7 Wenlong Jiao (20) 2015; 36 9 10 |
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