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CHIRP REDUCTION USING PUSH-PULL MODULATION OF 3-CONTACT LASERS

NOWELL, MC; ZHANG, LM; CARROLL, JE; FICE, MJ; (1993) CHIRP REDUCTION USING PUSH-PULL MODULATION OF 3-CONTACT LASERS. IEEE PHOTONIC TECH L , 5 (12) 1368 - 1371.

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Abstract

Low-chirp modulation of three-contact distributed feedback lasers is experimentally demonstrated by using a push-pull modulation scheme. When the laser was modulated with a 2.0 Gb/s PRBS, the -20 dB linewidth was measured to be 0.055 nm after deconvolving the measurement equipment's response. The results are simulated by using a large signal time domain model that is used to illustrate the mechanisms responsible for the low chirp. The grating structure is shown to have a significant effect on the performance of the device under push-pull modulation.

Type: Article
Title: CHIRP REDUCTION USING PUSH-PULL MODULATION OF 3-CONTACT LASERS
Keywords: DISTRIBUTED-FEEDBACK LASER
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/118467
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