Electroabsorption modulators integrated with DFB lasers based on identical active double-stack MQW-layer structure with high-frequency performance

Bernhard Stegmueller; Christian Hanke

doi:10.1117/12.512488

8 December 2003 Electroabsorption modulators integrated with DFB lasers based on identical active double-stack MQW-layer structure with high-frequency performance

Bernhard Stegmueller, Christian Hanke

Author Affiliations +

Proceedings Volume 5248, Semiconductor Optoelectronic Devices for Lightwave Communication; (2003) https://doi.org/10.1117/12.512488
Event: ITCom 2003, 2003, Orlando, Florida, United States

Abstract

Electro optic modulators are key components for fiber optic transmission at data rates exceeding 10Gbit/s. The monolithic integration of an electroabsorption (EA) modulator applying the quantum confined stark effect with a distributed feedback (DFB) laser diode was demonstrated using a novel approach based on a double-stack multiple quantum well (MQW) structure. This novel approach using an identical MQW layer structure for both devices, the DFB laser diode and the EA modulator, will be described and discussed. Recently, a maximum 3dB-cutoff frequency of 25 GHz was measured. Further experimental results obtained from devices operating at 1.3 µm and 1.55 µm, respectively, exhibit the potential of these devices for high-speed data rate transmission.

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Bernhard Stegmueller and Christian Hanke "Electroabsorption modulators integrated with DFB lasers based on identical active double-stack MQW-layer structure with high-frequency performance", Proc. SPIE 5248, Semiconductor Optoelectronic Devices for Lightwave Communication, (8 December 2003); https://doi.org/10.1117/12.512488

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