Rise Time and Gain Fluctuations of an Electrooptical Amplified Switch Based on Multipulse Injection in Semiconductor Optical Amplifiers

Autor(es)

Ribeiro, Napoleao S. ^[1] ; Toazza, Adriano L. ; Gallep, Cristiano M. ^[2] ; Conforti, Evandro ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Campinas, Dept Microwaves & Opt, Fac Elect & Comp Engn, DMO FEEC, BR-13083970 Campinas, SP - Brazil

^[2] Univ Estadual Campinas, Div Telecommun Technol, CESET, BR-13484370 Limeira, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: IEEE PHOTONICS TECHNOLOGY LETTERS; v. 21, n. 9-12, p. 769-771, MAY-JUN 2009.
• Citações Web of Science: 8

Resumo

Subnanosecond electrooptical switching times with 26-dB extinction ratio were obtained by using semiconductor optical amplifiers driven by a multipulse injection current. The multipulse switching current was generated by superimposing fast electronic pulse signals in a microwave resistive combiner. Although very fast switching is achievable, nonlinear behavior and circuits parasitic induce gain fluctuations and overshooting during the OFF-ON process. Theoretical and experimental results show that the reduction of parasitics is an important parameter for improving the switching performance. The multipulse injection technique can improve the switching speed for a chosen degree of overshoot. (AU)

• Processo FAPESP: 05/51689-2 - Centro de Pesquisa em Óptica e Fotônica - UNICAMP (CEPOF-UNICAMP)
• Beneficiário: Hugo Luis Fragnito
• Modalidade de apoio: Auxílio à Pesquisa - Centros de Pesquisa, Inovação e Difusão - CEPIDs
• Processo FAPESP: 07/56024-4 - Tecnologias ópticas coerentes
• Beneficiário: Evandro Conforti
• Modalidade de apoio: Auxílio à Pesquisa - Parceria para Inovação Tecnológica - PITE