High-bandwidth temperature-stable 1.55-um quantum dot lasers

S. Banyoudeh; O. Eyal; A. Abdollahinia; F. Schnabel; V. Sichkovskyi; J. P. Reithmaier; G. Eisenstein

doi:10.1117/12.2255749

20 February 2017 High-bandwidth temperature-stable 1.55-μm quantum dot lasers

S. Banyoudeh, O. Eyal, A. Abdollahinia, F. Schnabel, V. Sichkovskyi, J. P. Reithmaier, G. Eisenstein

Proceedings Volume 10123, Novel In-Plane Semiconductor Lasers XVI; 1012306 (2017) https://doi.org/10.1117/12.2255749
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

An overview is given about the recent improvement in 1.55 μm QD lasers for direct modulation. Based on improved QD epitaxy, which reduces the inhomogeneous size distribution, record values in small signal modulation bandwidth of more than 15 GHz and in digital modulation of up to 35 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. This allow a temperature stable modulation bandwidth between 15-60 °C of (14 +/- 1) GHz sufficient for 25 GBit/s digital modulation.

Conference Presentation

Citation Download Citation

S. Banyoudeh, O. Eyal, A. Abdollahinia, F. Schnabel, V. Sichkovskyi, J. P. Reithmaier, and G. Eisenstein "High-bandwidth temperature-stable 1.55-μm quantum dot lasers", Proc. SPIE 10123, Novel In-Plane Semiconductor Lasers XVI, 1012306 (20 February 2017); https://doi.org/10.1117/12.2255749

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