A diode-pumped 1.5 mu m waveguide laser mode-locked at 6.8 GHz by a quantum dot SESAM

A. Choudhary, A. A. Lagatsky, Z. Y. Zhang, K. J. Zhou, Q. Wang, R. A. Hogg, K. Pradeesh, E. U. Rafailov, W. Sibbett, C. T. A. Brown, D. P. Shepherd

Research output: Contribution to journalArticlepeer-review

Abstract

We report a passively mode-locked, diode-pumped waveguide laser operating in the 1.5 μm spectral region using a quantum dot semiconductor saturable absorber mirror as the saturable absorber element. A repetition rate of up to 6.8 GHz and an average power as high as 30 mW were obtained during mode-locked operation. A minimum pulse duration of 2.5 ps was produced at a wavelength of 1556 nm. The repetition rate of the source was tuned by more than 1 MHz by changing the pump power, demonstrating a possible route towards integrated pulse repetition rate stabilization.
Original languageEnglish
Article number105803
JournalLaser Physics Letters
Volume10
DOIs
Publication statusPublished - 23 Aug 2013

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