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Conferences > CLEO_Europe > 2019 > cb_p > cb_p_11
  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper cb_p_11

GaSb-based 2.55 µm External Cavity Diode Lasers Employing Ruled Diffraction Gratings and External Silicon Photonics Vernier Reflectors

Samu-Pekka Ojanen, Jukka Viheriälä, Matteo Cherchi, Nouman Zia, Eero Koivusalo, Pentti Karioja, and Mircea Guina

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Abstract

Important environmental gases, such as H2S, C2H4, CH4, CO, CO2, N2O, and H2O, have strong absorption lines in the 2-3 µm wavelength range. Tunable external cavity diode lasers (ECDLs) present an attractive option for the spectroscopic detection of these gases, because of their broad tuning range, and the possibility to achieve high spectral resolution and sensitivity, due to much higher spectral power density compared to broadband sources [1].

© 2019 IEEE

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