State-of-the-Art in Device and Network Element Level Modeling

Gutiérrez-Castrejón, R.

doi:10.1007/978-1-4614-1093-5_3

Cited by 2 publications

(1 citation statement)

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“…All signals were produced employing a sufficiently accurate model of a distributed feedback laser. This guarantees output signal characteristics that are very close to those obtained with actual lasers [10]. Moreover, the use of a laser model should be preferred over the experimental setup, because through adequate parameter tuning, an optical signal with well-known chirp characteristics can be used during the algorithm validation process.…”

Section: Directly Modulated Laser Setmentioning

confidence: 77%

Automatic classification of the frequency chirp in directly modulated lasers using cross-correlation

Rivera-Silva

Millan-Mejia

Gutiérrez-Castrejón

2012

2012 9th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)

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An automatic method to discriminate between adiabatic and transient-chirp dominated directly modulated semiconductor lasers (DML), useful to classify telecommunications transmitters, is presented. It is based on calculating the crosscorrelation between the optical power and chirp waveforms of the device under test and the use of a decision threshold. The accuracy of the algorithm is demonstrated using simulated signals obtained from a well-tested laser model complemented with experimentally-derived parameters for several real lasers. By modifying the confinement factor, the laser chirp behavior can gradually be transformed from transient to adiabatic, thus enabling the validation of the proposed algorithm. Correct classification results are reported. Due to its flexibility, ease of implementation, simplicity and accuracy, the classification algorithm here put forward, represents a practical tool for testing and fabrication of DMLs.

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Section: Directly Modulated Laser Setmentioning

confidence: 77%