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LINE NARROWED PICOSECOND OPTICAL PULSE GENERATION USING 3 CONTACT INGAASP/INP MULTIQUANTUM WELL DISTRIBUTED FEEDBACK LASER UNDER GAIN SWITCHING

WHITE, IH; GRIFFIN, PS; FICE, MJ; WHITEAWAY, JEA; (1992) LINE NARROWED PICOSECOND OPTICAL PULSE GENERATION USING 3 CONTACT INGAASP/INP MULTIQUANTUM WELL DISTRIBUTED FEEDBACK LASER UNDER GAIN SWITCHING. ELECTRON LETT , 28 (13) 1257 - 1258.

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Abstract

A three contact multiquantum well (MQW) distributed feedback (DFB) laser has been gain switched to generate tunable picosecond optical pulses with substantially reduced chirp (as low as 0.6 angstrom) when compared with that possible using equivalent single contact devices. This spectral performance is achieved by using the central device region to control the wavelength of the picosecond pulses generated through modulation of the end contacts. Near Fourier limited duration-bandwidth products as low as 0.26 are observed.

Type: Article
Title: LINE NARROWED PICOSECOND OPTICAL PULSE GENERATION USING 3 CONTACT INGAASP/INP MULTIQUANTUM WELL DISTRIBUTED FEEDBACK LASER UNDER GAIN SWITCHING
Keywords: SEMICONDUCTOR LASERS, LASERS, SEMICONDUCTOR-LASERS, INJECTION LOCKING, AMPLITUDE, PHASE
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/118458
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