12 June 2007 Reflective optical bistability and nonlinear switching in a 1550-nm vertical-cavity semiconductor optical amplifier (VCSOA)
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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.
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Antonio Hurtado, Antonio Hurtado, Ian D. Henning, Ian D. Henning, Michael J. Adams, Michael J. Adams, } "Reflective optical bistability and nonlinear switching in a 1550-nm vertical-cavity semiconductor optical amplifier (VCSOA)", Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 659320 (12 June 2007); doi: 10.1117/12.724157; https://doi.org/10.1117/12.724157
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