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

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-n...

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Veröffentlicht in:	IEEE photonics technology letters 2013-01, Vol.25 (1), p.7-10
Hauptverfasser:	Faugeron, M., Tran, M., Parillaud, O., Chtioui, M., Robert, Y., Vinet, E., Enard, A., Jacquet, J., Van Dijk, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	15 mu{\rm m} distributed feedback lasers Distributed feedback devices high-power diode lasers Indium phosphide low relative intensity noise (RIN) narrow linewidth Optical fibers Power lasers Temperature measurement Waveguide lasers
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Beschreibung
Zusammenfassung:	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.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2012.2225419