Abstract
Tunable single-frequency lasing with output power up to 9 mW was achieved in an injection laser with an external dispersive cavity. The bistable lasing mode was investigated theoretically and experimentally. It is shown that its presence is due to the laser-diode active-region optical nonlinearity. Investigation of equal-frequency fluctuation spectra of the output power has shown that only modes with differing transverse structures can be excited simultaneously. Suppression of weak modes by the field of a strong mode was observed. This increases the stability of the single-frequency lasing as the laser output power is increased.
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Translated from Trudy Ordena Lenina Fizicheskogo Instituta im. P. N. Lebedeva, Vol. 141, pp. 62–88, 1983.
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Bogatov, A.P., Eliseev, P.G., Okhotnikov, O.G. et al. Investigation of cw injection laser with external dispersive cavity. J Russ Laser Res 5, 362–385 (1984). https://doi.org/10.1007/BF01120626
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DOI: https://doi.org/10.1007/BF01120626