ZnO-ZnMgO Multiple Quantum-Well Ridge Waveguide Lasers
ZnO-ZnMgO multiple quantum-well (MQW) thin-film waveguides with ridge structures have been fabricated on quartz substrates. Low-temperature deposition of high-quality ZnO-ZnMgO MQW thin films was achieved by filtered cathodic vacuum arc technique. A ridge is defined on the thin film by plasma etchin...
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| Veröffentlicht in: | IEEE photonics technology letters 2009-11, Vol.21 (21), p.1624-1626 |
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| container_title | IEEE photonics technology letters |
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| creator | Siu Hon Tsang, Siu Hon Tsang Siu Fung Yu, Siu Fung Yu Hui Ying Yang, Hui Ying Yang Hou Kun Liang, Hou Kun Liang Xiaofeng Li, Xiaofeng Li |
| description | ZnO-ZnMgO multiple quantum-well (MQW) thin-film waveguides with ridge structures have been fabricated on quartz substrates. Low-temperature deposition of high-quality ZnO-ZnMgO MQW thin films was achieved by filtered cathodic vacuum arc technique. A ridge is defined on the thin film by plasma etching. Room-temperature lasing with a peak wavelength at 378 nm of 1.5-nm well width was observed under 355-nm optical excitation. Exciton-exciton scattering was attributed to the amplified spontaneous emission observed from the MQW waveguide. The net optical gain can be larger than 80 cm -1 at a pump intensity of 2 MW/cm 2 . |
| doi_str_mv | 10.1109/LPT.2009.2031089 |
| format | Article |
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Low-temperature deposition of high-quality ZnO-ZnMgO MQW thin films was achieved by filtered cathodic vacuum arc technique. A ridge is defined on the thin film by plasma etching. Room-temperature lasing with a peak wavelength at 378 nm of 1.5-nm well width was observed under 355-nm optical excitation. Exciton-exciton scattering was attributed to the amplified spontaneous emission observed from the MQW waveguide. 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Low-temperature deposition of high-quality ZnO-ZnMgO MQW thin films was achieved by filtered cathodic vacuum arc technique. A ridge is defined on the thin film by plasma etching. Room-temperature lasing with a peak wavelength at 378 nm of 1.5-nm well width was observed under 355-nm optical excitation. Exciton-exciton scattering was attributed to the amplified spontaneous emission observed from the MQW waveguide. The net optical gain can be larger than 80 cm -1 at a pump intensity of 2 MW/cm 2 .</description><subject>Filtered cathodic vacuum arc (FCVA) deposition technique</subject><subject>Optical films</subject><subject>Optical filters</subject><subject>Optical pumping</subject><subject>Optical scattering</subject><subject>Optical waveguides</subject><subject>Quantum well devices</subject><subject>Quantum well lasers</subject><subject>quantum wells (QWs)</subject><subject>ridge waveguide lasers</subject><subject>Stimulated emission</subject><subject>Transistors</subject><subject>Waveguide lasers</subject><subject>ZnO</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM1Lw0AQxRdRsFbvgpfgwVvqzn4le5TiF6RUpVLoZdlkJyUlTWo2Efzv3dLiwcvMY_i94fEIuQY6AaD6PntbTBilOgwONNUnZARaQEwhEadB06ABuDwnF95vKAUhuRgRtWrm8aqZrefRbKj7aldj9D7Yph-28RLrOvqo3Bqjpf3G9VA5jDLrsfOX5Ky0tcer4x6Tz6fHxfQlzubPr9OHLC4YV31cYI62dKUSVifgJHDGmXM5l5grJ12uWYFguQZtE8Z1OOmcWgYcrZAF8jG5O_zdde3XgL4328oXIZdtsB284ZIqlQAL4O0_cNMOXROymVSmidZCiQDRA1R0rfcdlmbXVVvb_RigZt-iCS2afYvm2GKw3BwsFSL-4ZJxnkrNfwGNXmyw</recordid><startdate>20091101</startdate><enddate>20091101</enddate><creator>Siu Hon Tsang, Siu Hon Tsang</creator><creator>Siu Fung Yu, Siu Fung Yu</creator><creator>Hui Ying Yang, Hui Ying Yang</creator><creator>Hou Kun Liang, Hou Kun Liang</creator><creator>Xiaofeng Li, Xiaofeng Li</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Low-temperature deposition of high-quality ZnO-ZnMgO MQW thin films was achieved by filtered cathodic vacuum arc technique. A ridge is defined on the thin film by plasma etching. Room-temperature lasing with a peak wavelength at 378 nm of 1.5-nm well width was observed under 355-nm optical excitation. Exciton-exciton scattering was attributed to the amplified spontaneous emission observed from the MQW waveguide. The net optical gain can be larger than 80 cm -1 at a pump intensity of 2 MW/cm 2 .</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LPT.2009.2031089</doi><tpages>3</tpages></addata></record> |
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| identifier | ISSN: 1041-1135 |
| ispartof | IEEE photonics technology letters, 2009-11, Vol.21 (21), p.1624-1626 |
| issn | 1041-1135 1941-0174 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Filtered cathodic vacuum arc (FCVA) deposition technique Optical films Optical filters Optical pumping Optical scattering Optical waveguides Quantum well devices Quantum well lasers quantum wells (QWs) ridge waveguide lasers Stimulated emission Transistors Waveguide lasers ZnO |
| title | ZnO-ZnMgO Multiple Quantum-Well Ridge Waveguide Lasers |
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