Highly efficient superluminescent diodes and SLD-based combined light sources of red spectral range for applications in biomedical imaging

Ekaterina V. Andreeva; Andrei S. Anikeev; Stepan N. Il'chenko; Alexander Chamorovskiy; Vladimir R. Shidlovski; Sergei D. Yakubovich

doi:10.1117/12.2288246

14 February 2018 Highly efficient superluminescent diodes and SLD-based combined light sources of red spectral range for applications in biomedical imaging

Ekaterina V. Andreeva, Andrei S. Anikeev, Stepan N. Il'chenko, Alexander Chamorovskiy, Vladimir R. Shidlovski, Sergei D. Yakubovich

Author Affiliations +

Proceedings Volume 10483, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXII; 104832T (2018) https://doi.org/10.1117/12.2288246
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

The optimization of AlGaInP/GaInPAs MQW heterostructure MOCVD growth as well as the improvements of active channel formation and P-contact deposition technologies made it possible to increase significantly external differential efficiency (up to 0.5 mW/mA) and CW catastrophic optical damage threshold (up to 40 mW) of spatially single-mode superluminescent diodes (SLDs) with central wavelength of 675 nm. Preliminary life time tests demonstrated high reliability of the devices at output power 30 mW. The relations of spectral and power characteristics of the SLDs as well as SLDs with central wavelengths of about 660 nm and 690 nm on active channel length, pumping level and temperature were studied. The results of mathematical modeling of combined light sources output parameters that could be made with SLDs and a broadband SM fiber coupler, are presented.

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Ekaterina V. Andreeva, Andrei S. Anikeev, Stepan N. Il'chenko, Alexander Chamorovskiy, Vladimir R. Shidlovski, and Sergei D. Yakubovich "Highly efficient superluminescent diodes and SLD-based combined light sources of red spectral range for applications in biomedical imaging", Proc. SPIE 10483, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXII, 104832T (14 February 2018); https://doi.org/10.1117/12.2288246

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