Name: Thermal Effects in Integrated Dfb Laser-EA Modulator Device (en Inglés)
SKU: 66812587
Price: 60.63 USD
Availability: InStock
Author: Kayastha, Madhu Sudan
ISBN: 9786207453672

portada Thermal Effects in Integrated Dfb Laser-EA Modulator Device (en Inglés)

Thermal Effects in Integrated Dfb Laser-EA Modulator Device (en Inglés)

Formato

Libro Físico

Editorial

LAP Lambert Academic Publishing

Autor

Kayastha, Madhu Sudan

Idioma

Inglés

N° páginas

Encuadernación

Tapa Blanda

Dimensiones

22.9x15.2x0.3 cm

ISBN13

9786207453672

Thermal Effects in Integrated Dfb Laser-EA Modulator Device (en Inglés)

Kayastha, Madhu Sudan (Autor) · LAP Lambert Academic Publishing · Tapa Blanda

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Reseña del libro "Thermal Effects in Integrated Dfb Laser-EA Modulator Device (en Inglés)"

This book examines thermal crosstalk in monolithically integrated Distributed Feedback (DFB) lasers and Electroabsorption (EA) modulators used in high-capacity optical fiber communication systems. While integrated DFB laser-EA modulator sources enable high-speed operation up to 40 Gb/s, their performance is limited by chirp induced by thermal interaction between the laser and modulator sections. Through a combination of experimental investigation and finite element method (FEM) simulations, this work analyzes the mechanisms of heat generation, propagation, and their impact on wavelength stability. Experimental results obtained from devices fabricated at NTT Laboratories, operating at 1.55 m, reveal that increased EA modulator bias leads to higher power dissipation, localized heating, and a corresponding wavelength shift in the laser. The study confirms that thermal coupling between the integrated sections is the primary cause of chirp degradation.