Narrow-linewidth, electro-optically tunable InGaAsP-Ti:LiNbO3 extended cavity laser

Heismann, F.; Alferness, R. C.; Buhl, L. L.; Eisenstein, G.; Korotky, S. K.; Veselka, J. J.; Stulz, L. W.; Burrus, C. A.
July 1987
Applied Physics Letters;7/20/1987, Vol. 51 Issue 3, p164
Academic Journal
We report an electro-optically tunable, single-frequency extended cavity laser with a linewidth of less than 60 kHz. The laser consists of a 1.5-μm InGaAsP gain medium and an electro-optically tunable, narrow-band Ti:LiNbO3 wavelength filter (Δλ≊12 Å). Electro-optic tuning over at least 70 Å and single-frequency operation with output power of more than 1 mW have been demonstrated. The laser linewidth was measured by beating the laser against a 1.523-μm HeNe laser.


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