Comparative analysis of the static and dynamic performances of quantum-dot lasers and quantumcascade lasers using rate equations model

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Yousefvand Hossein Reza

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Paper Information

Journal: JOURNAL OF RESEARCH ON MANY BODY SYSTEMS Year:2018 | Volume:8 | Issue:17 Page(s): 191-203

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Information Journal Paper

Title

Comparative analysis of the static and dynamic performances of quantum-dot lasers and quantumcascade lasers using rate equations model

Author(s)

Yousefvand Hossein Reza | Issue Writer Certificate

Keywords

Comparative analysisQ1

Quantum-dot laserQ1

Quantum cascade laserQ2

Rate equationQ1

Abstract

In this paper, the static and dynamic performances of quantum-dot (QD) semiconductor lasers and quantum cascade (QC) lasers are characterized and analyzed comparatively using the standard Rate equations model. Using the presented model, the effect of photon lifetime on both the device’ s output characteristics is investigated. The results of simulation show that, due to the ultrafast nature of intersubband transitions (ISTs) in QC lasers that is dominantly induced by the longitudinal optical (LO) phonon emission with a picosecond time scale, the threshold current in QC lasers is much larger than is common for QD lasers, in which the intrinsic carrier lifetime is on the order of a few nanoseconds due to the nature of band-to-band Auger recombination process. Additionally, due to the ultrafast nature of LO-phonon scattering process in QC lasers, the transient oscillations of the emitted photons are over-damped, and no resonance appears in the frequency response. This is in contrast with the transient oscillations and frequency response of QD lasers. This unique feature makes QC lasers ideally suited for high-speed operation.

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APA: Copy

Yousefvand, Hossein Reza. (2018). Comparative analysis of the static and dynamic performances of quantum-dot lasers and quantumcascade lasers using rate equations model. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 8(17 ), 191-203. SID. https://sid.ir/paper/243744/en

Vancouver: Copy

Yousefvand Hossein Reza. Comparative analysis of the static and dynamic performances of quantum-dot lasers and quantumcascade lasers using rate equations model. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2018;8(17 ):191-203. Available from: https://sid.ir/paper/243744/en

IEEE: Copy

Hossein Reza Yousefvand, “Comparative analysis of the static and dynamic performances of quantum-dot lasers and quantumcascade lasers using rate equations model,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 8, no. 17 , pp. 191–203, 2018, [Online]. Available: https://sid.ir/paper/243744/en

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