Tunable transform-limited pulse generation using self-injection locking of an FP laser
Barry, Liam P. and O'Dowd, R.F. and Debeau, J. and Boittin, R. (1993) Tunable transform-limited pulse generation using self-injection locking of an FP laser. IEEE Photonics Technology Letters, 5 (10). pp. 1132-1134. ISSN 1041-1135
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Wavelength-tunable, near transform-limited pulses have been generated using a Fabry-Perot laser diode coupled to a fiber loop containing a fiber Fabry-Perot resonator (FFPR) and a polarization controller. The ratio of transmitted to reflected light from the loop can be adjusted using the polarization controller. Single-mode operation of the gain-switched laser is achieved by self-injection locking, which is induced by light reflected from the fiber loop. The resulting output pulse has a time-bandwidth product of 0.4 and is tunable over about 15 nm by varying the tuning voltage of the FFPR.
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