Abstract
Stable and precise pulsations are generated by an AIGaAs self-pulsating laser diode under strong feedback in an external cavity. Self-pulsation frequency dependency versus bias current is reduced from 159 MHz/mA to less than 7 MHz/mA, while the equivalent Q factor of the pulsation, defined in analogy with the Q factor of electrical pulsation, is enhanced by more than an order of magnitude from about 110 to more than 1,750 at 532 MHz.
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Hossay, B., Itoh, H. & Hidaka, T. Stability enhancement of AlGaAs self-pulsating laser diode by passive external cavity. Optical Review 1, 220–222 (1994). https://doi.org/10.1007/BF03254868
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DOI: https://doi.org/10.1007/BF03254868