Semiconductor Optical Amplifier Space Switch With Symmetrical Thin-Film Resistive Current Injection

Author(s)

Figueiredo, Rafael C. ; Sutili, Tiago ; Ribeiro, Napoleao S. ; Gallep, Cristiano M. ; Conforti, Evandro

• Document type: Journal article
• Source: Journal of Lightwave Technology; v. 35, n. 2, p. 280-287, JAN 15 2017.
• Web of Science Citations: 7

Abstract

Experimental and simulated results of an amplified electro-optical spatial switch using pre-emphasis techniques are presented. A symmetrical thin-film resistor replaces the typical 47 Omega resistor used to match the impedance between the device (3 Omega) and the transmission lines (50 Omega), allowing fast injection of pre-impulse and step currents in a semiconductor optical amplifier. This new construction reduces the parasitic elements from the mounting and enables the switch to achieve fast OFF-ON time (225 ps) and low overshoot (12%) with optimized pulse formats, reaching nearly Gaussian-response in electro-optical spatial switching. (AU)

• FAPESP's process: 07/56024-4 - Coherent optical technologies
• Grantee: Evandro Conforti
• Support Opportunities: Research Grants - Research Partnership for Technological Innovation - PITE
• FAPESP's process: 15/50063-4 - Optical Interconection and Transmition Coherent Systems Technologies
• Grantee: Evandro Conforti
• Support Opportunities: Research Grants - Research Partnership for Technological Innovation - PITE
• FAPESP's process: 14/18791-7 - High Speed Space Switches for Coherent Optical Networks
• Grantee: Tiago Sutili
• Support Opportunities: Scholarships in Brazil - Doctorate