CUED Publications database

Long-wavelength monolithic mode-locked diode lasers

Williams, KA and Thompson, MG and White, IH (2004) Long-wavelength monolithic mode-locked diode lasers. New Journal of Physics, 6. pp. 1-30. ISSN 1367-2630

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Abstract

A detailed study of the design issues relevant to long-wavelength monolithic mode-locked lasers is presented. Following a detailed review of the field, we have devised a validated travelling wave model to explore the limits of mode-locking in monolithic laser diodes, not only in terms of pulse duration and repetition rate, but also in terms of stability. It is shown that fast absorber recovery is crucial for short pulse width, that the ratio of gain to absorption saturation is key in accessing ultrashort pulses and that low alpha factors give only modest benefit. Finally, optimized contact layouts are shown to greatly enhance pulse stability and the overall operational success. The design rules show high levels of consistency with published experimental data.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:22
Last Modified: 13 Dec 2014 11:45
DOI: 10.1088/1367-2630/6/1/179