Abstract

We report on a series of experiments on the dynamics of spontaneous emission controlled nanolasers. The laser cavity is a photonic-crystal slab cavity, embedding self-assembled quantum dots as gain material. The implementation of cavity electrodynamics effects increases the large signal modulation bandwidth significantly, with measured modulation speeds of the order of 10GHz while keeping an extinction ratio of 19dB. A linear transient wavelength shift is reported, corresponding to a chirp of less than 100 pm for a 35ps laser pulse. We observe that the chirp characteristics are independent of the repetition rate of the laser up to 10GHz.

© 2009 Optical Society of America

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