Optical spectral bistability in a semiconductor fiber ring laser through gain saturation in an SOA

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Xu, Lei and Wang, Bing C. and Baby, Varghese and Glesk, Ivan and Prucnal, Paul R. (2002) Optical spectral bistability in a semiconductor fiber ring laser through gain saturation in an SOA. IEEE Photonics Technology Letters, 14 (2). pp. 149-151. ISSN 1041-1135 (https://doi.org/10.1109/68.980477)

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Abstract

In this letter, we demonstrate the operation of optical bistability in a widely tunable semiconductor fiber ring laser, using a semiconductor optical amplifier (SOA). The laser can be operated in two bistable states: the spectrum of the first state has one main lasing peak with very narrow linewidth, and the second state has simultaneous oscillation of two main peaks at different wavelengths. The two bistable states can be switched to each other using either electrical or optical methods. We further explain the bistable operation using the theory of two-mode competition through gain saturation in SOA.

ORCID iDs

Xu, Lei, Wang, Bing C., Baby, Varghese, Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069 and Prucnal, Paul R.;
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