Accurate Model of the Semiconductor Laser Nonuniform FM Response for the Study of Coherent Optical Systems

I. Roudas; Y. Jaouën; J. Prado; R. Vallet; P. Gallion

doi:10.1109/68.334849

Accurate Model of the Semiconductor Laser Nonuniform FM Response for the Study of Coherent Optical Systems

I. Roudas
, Y. Jaouën
, J. Prado
, R. Vallet
, P. Gallion

Telecom Paris

Research output: Contribution to journal › Article › peer-review

Abstract

This paper proposes an accurate simulation model of the semiconductor laser nonuniform FM response, to be used in the computer-aided design of coherent optical communication systems. The FM response of the laser is modeled as a recursive digital filter derived directly from measurements. Least squares fitting and the impulse invariant transformation method are used to calculate digital filter coefficients. The procedure is applied in the case of a conventional DFB laser. The calculated model of the DFB is used to study the influence of the nonuniform FM response on the performance of a coherent heterodyne CPFSK system with differential receiver operating at 1 Gb/s. Theoretical and experimental results are in excellent agreement.

Original language	English
Pages (from-to)	1389-1391
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	6
Issue number	11
DOIs	https://doi.org/10.1109/68.334849
Publication status	Published - 1 Jan 1994

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title = "Accurate Model of the Semiconductor Laser Nonuniform FM Response for the Study of Coherent Optical Systems",

abstract = "This paper proposes an accurate simulation model of the semiconductor laser nonuniform FM response, to be used in the computer-aided design of coherent optical communication systems. The FM response of the laser is modeled as a recursive digital filter derived directly from measurements. Least squares fitting and the impulse invariant transformation method are used to calculate digital filter coefficients. The procedure is applied in the case of a conventional DFB laser. The calculated model of the DFB is used to study the influence of the nonuniform FM response on the performance of a coherent heterodyne CPFSK system with differential receiver operating at 1 Gb/s. Theoretical and experimental results are in excellent agreement.",

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AU - Vallet, R.

AU - Gallion, P.

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N2 - This paper proposes an accurate simulation model of the semiconductor laser nonuniform FM response, to be used in the computer-aided design of coherent optical communication systems. The FM response of the laser is modeled as a recursive digital filter derived directly from measurements. Least squares fitting and the impulse invariant transformation method are used to calculate digital filter coefficients. The procedure is applied in the case of a conventional DFB laser. The calculated model of the DFB is used to study the influence of the nonuniform FM response on the performance of a coherent heterodyne CPFSK system with differential receiver operating at 1 Gb/s. Theoretical and experimental results are in excellent agreement.

AB - This paper proposes an accurate simulation model of the semiconductor laser nonuniform FM response, to be used in the computer-aided design of coherent optical communication systems. The FM response of the laser is modeled as a recursive digital filter derived directly from measurements. Least squares fitting and the impulse invariant transformation method are used to calculate digital filter coefficients. The procedure is applied in the case of a conventional DFB laser. The calculated model of the DFB is used to study the influence of the nonuniform FM response on the performance of a coherent heterodyne CPFSK system with differential receiver operating at 1 Gb/s. Theoretical and experimental results are in excellent agreement.

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JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

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ER -

Accurate Model of the Semiconductor Laser Nonuniform FM Response for the Study of Coherent Optical Systems

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