High-Power Tunable Dilute Mode DFB Laser With Low RIN and Narrow Linewidth

Abstract : We have developed a 1-mm-long high-power DFB laser using an asymmetrical cladding based on the dilute waveguide technique. We have obtained about 180 mW output power at 25 °C and >30 mW at 15 °C-85 °C chip temperature with >55-dB sidemode suppression ratio. This temperature range allows a 9.7-nm wavelength tunability. For high output power, the relative intensity noise is lower than −160 dB/Hz in the 0.08-40-GHz frequency range and the optical linewidth is better than 300 kHz.
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Submitted on : Thursday, January 10, 2013 - 1:54:58 PM
Last modification on : Wednesday, June 26, 2019 - 1:16:02 PM

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Mickael Faugeron, Michaël Tran, Olivier Parillaud, Mourad Chtioui, Yannick Robert, et al.. High-Power Tunable Dilute Mode DFB Laser With Low RIN and Narrow Linewidth. IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2013, 25 (1), pp.7-10. ⟨10.1109/LPT.2012.2225419⟩. ⟨hal-00772368⟩

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