Frequency stabilization of a semiconductor laser using an external phase modulator
Optics Letters, Vol. 17, Issue 1, pp. 49-51 (1992)
http://dx.doi.org/10.1364/OL.17.000049
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Abstract
A Ti:LiNbO3 waveguide phase modulator is used as an external frequency stabilizer to reduce the linewidth of an AlGaAs semiconductor laser. A ring interferometer is used as a frequency discriminator, and a wideband servo controller (dc to 30 MHz) is constructed in which feed-forward control of the external phase modulator is combined with feedback control of the injection current. A linewidth of 45 kHz is obtained.
© 1992 Optical Society of America
Citation
Hidemi Tsuchida and Takashi Iwasaki, "Frequency stabilization of a semiconductor laser using an external phase modulator," Opt. Lett. 17, 49-51 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-1-49
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