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- W1509097322 abstract "Mode-locking of vertical cavity surface emitting lasers (VCSELs) has already been achieved by electrically pumping a VCSEL in an external cavity at the cavity frequency. This cavity was formed using a butt-coupled fibre and 24 ps pulses were generated at a repetition rate of 821 MHz. It has also been suggested that self-pulsations could be produced by the introduction of a saturable absorber in the VCSEL structure. Here we report the generation of 36 ps pulses at a repetition rate of 2.46 GHz by mode-locking a VCSEL placed in an external cavity and for the first time to our knowledge we report on the measurement of a transform-limited time-bandwidth product. If the mirror forming the external cavity is replaced by a second VCSEL a small self-oscillation has been observed when the lasers are DC biassed. Furthermore, pseudo-random pulses have been generated by modulation of the gain or loss of the coupled VCSEL system." @default.
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- W1509097322 date "2002-11-19" @default.
- W1509097322 modified "2023-09-26" @default.
- W1509097322 title "Mode-locking of an InGaAs VCSEL in an external cavity" @default.
- W1509097322 cites W1981912987 @default.
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- W1509097322 doi "https://doi.org/10.1109/leos.1995.484635" @default.
- W1509097322 hasPublicationYear "2002" @default.
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