High-speed directly modulated 1.5 µm quantum dot lasers

Johann Peter Reithmaier; Saddam Banyoudeh; Alireza Abdollahinia; Florian Schnabel; Vitalii Sichkovskyi; Ori Eyal; Gadi Eisenstein

doi:10.1117/12.2230231

28 April 2016 High-speed directly modulated 1.5 μm quantum dot lasers

Johann Peter Reithmaier, Saddam Banyoudeh, Alireza Abdollahinia, Florian Schnabel, Vitalii Sichkovskyi, Ori Eyal, Gadi Eisenstein

Author Affiliations +

Proceedings Volume 9892, Semiconductor Lasers and Laser Dynamics VII; 98920A (2016) https://doi.org/10.1117/12.2230231
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

An overview is given about the recent improvement in 1.5 μm QD lasers for direct modulation. Based on improved QD epitaxy with a reduced inhomogeneous size distribution, record values in small signal modulation bandwidth of more than 15 GHz and in digital modulation of up to 36 GBit/s were obtained. Due to the high modal gain and robust ground state transition, the temperature dependence of the laser performance could be very much improved with characteristic temperatures of T₀ = 125 K and T₁ near to 400 K. Also the impact of the temperature on the digital modulation speed will be discussed.

Citation Download Citation

Johann Peter Reithmaier, Saddam Banyoudeh, Alireza Abdollahinia, Florian Schnabel, Vitalii Sichkovskyi, Ori Eyal, and Gadi Eisenstein "High-speed directly modulated 1.5 μm quantum dot lasers", Proc. SPIE 9892, Semiconductor Lasers and Laser Dynamics VII, 98920A (28 April 2016); https://doi.org/10.1117/12.2230231

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