High-Power Single-Mode Distributed-Feedback Interband Cascade Lasers for the Midwave-Infrared
2007; Institute of Electrical and Electronics Engineers; Volume: 19; Issue: 3 Linguagem: Inglês
10.1109/lpt.2006.889990
ISSN1941-0174
AutoresC.S. Kim, M. Kim, W. W. Bewley, C. L. Canedy, J. R. Lindle, I. Vurgaftman, J. R. Meyer,
Tópico(s)Advanced Fiber Laser Technologies
ResumoA single-mode output power of 41 mW has been obtained at T=120 K and lambdaap3.44 mum from a narrow-ridge interband cascade laser patterned with a Ge distributed-feedback grating. The sidemode suppression ratio at the maximum power is 23 dB, and the linewidth of 0.1 nm is instrument-limited. An alternate contacting geometry yielded robust single-mode output over a broad range of currents and temperatures, and current tuning of the wavelength by up to 17 nm
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