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Proceedings Paper

Reflective optical bistability and nonlinear switching in a 1550-nm vertical-cavity semiconductor optical amplifier (VCSOA)
Author(s): Antonio Hurtado; Ian D. Henning; Michael J. Adams
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Paper Abstract

We report experimental measurements of Optical Bistability (OB) and nonlinear switching in a 1550 nm-Vertical-Cavity Semiconductor Optical Amplifier (VCSOA) operated in reflection and biased below and above its threshold current. Two different types of OB and nonlinear switching, anticlockwise and clockwise, have been observed in both the optical power and wavelength domain. The influence of important parameters including the bias current, the initial wavelength detuning and the optical input power has also been studied. The existence of diverse forms of OB and nonlinear switching in a VCSOA operated in reflection opens the door for the development of inverting and non-inverting logic gates, using, respectively, the anticlockwise or the clockwise nonlinear switching transitions appearing in the VCSOA under external optical injection.

Paper Details

Date Published: 12 June 2007
PDF: 8 pages
Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 659320 (12 June 2007); doi: 10.1117/12.724157
Show Author Affiliations
Antonio Hurtado, Univ. of Essex (United Kingdom)
Ian D. Henning, Univ. of Essex (United Kingdom)
Michael J. Adams, Univ. of Essex (United Kingdom)

Published in SPIE Proceedings Vol. 6593:
Photonic Materials, Devices, and Applications II
Ali Serpengüzel; Gonçal Badenes; Giancarlo C. Righini, Editor(s)

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