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Optical and continuous-wave characteristics of V-grooved quantum well wire lasers confined by a p-n junction array

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Abstract

Role of the side-wall quantum wells in a V-grooved quantum well wire (QWW) is briefly reviewed by temperature-dependent photoluminescence, and then continuous-wave (cw) characteristics of QWW lasers confined by a p-n junction array are reported. In terms of the effectiveness in current confinement, very high power operation (over 11 mW) and a single longitudinal mode operation up to 8mW are achieved. Room-temperature threshold currents are measured to be 32.5 mA (pulsed) and 47.8 mA (cw) for a 200 μm long uncoated cavity. The current- and temperature-tuning rates of the oscillation wavelength are as low as 0.038 nm/mA and 0.17 nm/°C, respectively.

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Author notes

  1. T. G. Kim

    Present address: Electron Device Division, Electrotechnical Laboratory, 1-1-4 Umesono, Tsukuba, 305, Japan

Authors and Affiliations

  1. Department of Electronics Engineering, Korea University, Seoul, 136-701, South Korea

    T. G. Kim

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  1. T. G. Kim
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Kim, T.G. Optical and continuous-wave characteristics of V-grooved quantum well wire lasers confined by a p-n junction array. Optical and Quantum Electronics 31, 1257–1266 (1999). https://doi.org/10.1023/A:1007082124789

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  • DOI: https://doi.org/10.1023/A:1007082124789

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