Controlling a Semiconductor Optical Amplifier Using a State-Space Model

Kuntze, S.B.; Pavel, Lacra; Aitchison, J. S.

doi:10.1109/jqe.2006.887176

Cited by 20 publications

(9 citation statements)

References 18 publications

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“…The SOA is modeled as a traveling wave amplifier [12,13]. In the amplifier the saturation effect and phase change is due to time dependent gain and refractive index coupling respectively.…”

Section: Theoretical Analysismentioning

confidence: 99%

Design and analysis of all-optical AND, XOR and OR gates based on SOA–MZI configuration

Singh

Tripathi

Jaiswal³

et al. 2015

Optics & Laser Technology

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“…The SOA is modeled as a traveling wave amplifier [12,13]. In the amplifier the saturation effect and phase change is due to time dependent gain and refractive index coupling respectively.…”

Section: Theoretical Analysismentioning

confidence: 99%

Design and analysis of all-optical AND, XOR and OR gates based on SOA–MZI configuration

Singh

Tripathi

Jaiswal³

et al. 2015

Optics & Laser Technology

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“…For this purpose, based on the rate equation model for the device which was proposed by Kim et al [5, 17], we derive the NSSM of the device. The essence of state‐space model of QD‐SOAs can be found in [18, 19]. Since, the photon density along the QD‐SOA cavity is a function of distance and time, the carrier density is also a function of distance and time.…”

Section: Theoretical Model: Nssm For Qd‐soasmentioning

confidence: 99%

Design of optical pumping scheme for quantum‐dot semiconductor optical amplifiers

Taleb

Abedi

2013

IET Optoelectronics

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In this study, design of optical pumping (OP) scheme for quantum-dot semiconductor optical amplifiers (QD-SOAs) is investigated. To evaluate the static and dynamic responses of the QD-SOA under OP, a non-linear state-space model is derived in which the effects of the homogeneous and inhomogeneous broadening of the gain medium and the spectral dependence of the input signals are taken into account. Using this model, the effects of the wavelength and power of the pump signal and the homogeneous and inhomogeneous linewidths are studied in detail. Simulation results demonstrate that optimal operation of the QD-SOA under the OP scheme is realised if the detuning between the pump wavelength and the input signal wavelength is constant (around 100 nm for our investigated device). The authors found that OP scheme can be employed for non-linear signal processing applications, where the superiorities of the OP against the electrical pumping appear for small values of the homogeneous and inhomogeneous linewidths.

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“…The dy- * corresponding author; e-mail: k_abedi@sbu.ac.ir namic model which is employed to evaluate the response of the QD-SOA is based on the state space theory for SOAs [11,12].…”

Section: Introductionmentioning

confidence: 99%

Sub-Nanosecond Phase Recovery in Quantum-Dot Semiconductor Optical Amplifiers

Abedi

Taleb

2013

Acta Phys. Pol. A

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In this paper, optimal design of a pumping scheme for achieving the best gain and phase response in quntum--dot semiconductor optical ampliers is investigated. For the rst time, the dynamic response of the quntum-dot semiconductor optical amplier is evaluated under three dierent pumping schemes, known as optical pumping, electrical pumping, and electro-optical pumping. Simulation results show that the shortest gain recovery time in quntum-dot semiconductor optical ampliers can be achieved under the electrical pumping scheme. However, under the optical pumping and electro-optical pumping schemes, the quntum-dot semiconductor optical amplier represents a shorter phase recovery compared to the electrical pumping scheme. We found that a sub-nanosecond phase recovery in the quntum-dot semiconductor optical amplier can be achieved under the OP and electro--optical pumping schemes, which can never be achieved under the electrical pumping, because of the slow carrier dynamics of the carrier reservoir. Also, it was found that the gain recovery process in an optically pumped quntum-dot semiconductor optical amplier can be signicantly accelerated at cryogenic temperatures. This result demonstrates the superiorities of the optical pumping scheme over the electrical pumping and electro-optical pumping schemes at low temperatures, where both the gain and phase recovery times of an optically pumped quantum-dot semiconductor optical amplier are drastically decreased.

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Controlling a Semiconductor Optical Amplifier Using a State-Space Model

Cited by 20 publications

References 18 publications

Design and analysis of all-optical AND, XOR and OR gates based on SOA–MZI configuration

Design and analysis of all-optical AND, XOR and OR gates based on SOA–MZI configuration

Design of optical pumping scheme for quantum‐dot semiconductor optical amplifiers

Sub-Nanosecond Phase Recovery in Quantum-Dot Semiconductor Optical Amplifiers

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