Line narrowed picosecond optical pulse generation using three contact InGaAsP/InP multiquantum well distributed feedback laser under gain switching

Author

White, I.H. ; Griffin, P.S. ; Fice, M.J. ; Whiteaway, J.E.A.

Author_Institution

Sch. of Phys., Bath Univ., UK

Volume

28

Issue

13

fYear

1992

fDate

6/18/1992 12:00:00 AM

Firstpage

1257

Lastpage

1258

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 AA) 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.

Keywords

III-V semiconductors; distributed feedback lasers; gallium arsenide; high-speed optical techniques; indium compounds; laser tuning; semiconductor junction lasers; DFB lasers; Fourier limited duration-bandwidth products; InGaAs-InP; central device region; distributed feedback laser; gain switching; line narrowed picosecond pulse generation; multiquantum well; picosecond optical pulse generation; picosecond pulses; reduced chirp; semiconductors; spectral performance; three contact laser; tunable picosecond optical pulses;

fLanguage

English

Journal_Title

Electronics Letters

Publisher

iet

ISSN

0013-5194

Type

jour

DOI

10.1049/el:19920794

Filename

144370