| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Large Signal Circuit Model of Two-Section Gain Lever Quantum Dot Laser |
| Ashkan Horri1**, Seyedeh Zahra Mirmoeini2, Rahim Faez3 |
1Young Researchers Club, Arak Branch, Islamic Azad University, Arak, Iran
2Department of Electrical Engineering, Arak Branch, Islamic Azad University, Arak, Iran
3Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran
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| Cite this article: |
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Ashkan Horri, Seyedeh Zahra Mirmoeini, Rahim Faez 2012 Chin. Phys. Lett. 29 114207 |
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Abstract An equivalent circuit model for the design and analysis of two-section gain lever quantum dot (QD) laser is presented. This model is based on the three level rate equations with two independent carrier populations and a single longitudinal optical mode. By using the presented model, the effect of gain lever on QD laser performances is investigated. The results of simulation show that the main characteristics of laser such as threshold current, transient response, output power and modulation response are affected by differential gain ratios between the two-sections.
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Received: 20 July 2012
Published: 28 November 2012
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