Fabrication and characterization of broadband superluminescent diodes for 2 µm wavelength

Nouman Zia; Jukka Viheriälä; Riku Koskinen; Mervi Koskinen; Soile Suomalainen; Mircea Guina

doi:10.1117/12.2209720

16 March 2016 Fabrication and characterization of broadband superluminescent diodes for 2 μm wavelength

Nouman Zia, Jukka Viheriälä, Riku Koskinen, Mervi Koskinen, Soile Suomalainen, Mircea Guina

Proceedings Volume 9768, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX; 97680Q (2016) https://doi.org/10.1117/12.2209720
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Single-mode superluminescent diodes operating at 2 μm wavelength are reported. The structures are based on GaSb material systems and were fabricated by molecular beam epitaxy. Several waveguide designs have been implemented. A continuous-wave output power higher than 35 mW is demonstrated for a spectrum centered at around 1.92 μm. We show that the maximum output power of the devices is strongly linked to spectrum width. Device having low output power exhibit a wide spectrum with a full-width half-maximum (FWHM) as large as 209 nm, while devices with highest output power exhibit a narrower spectrum with about 61 nm FWHM.

Citation Download Citation

Nouman Zia, Jukka Viheriälä, Riku Koskinen, Mervi Koskinen, Soile Suomalainen, and Mircea Guina "Fabrication and characterization of broadband superluminescent diodes for 2 μm wavelength", Proc. SPIE 9768, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX, 97680Q (16 March 2016); https://doi.org/10.1117/12.2209720

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