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Two-Wavelength Switching With a 1550 nm VCSEL Under Single Orthogonal Optical Injection

Hurtado, Antonio and Henning, Ian D and Adams, Michael J (2008) 'Two-Wavelength Switching With a 1550 nm VCSEL Under Single Orthogonal Optical Injection.' IEEE Journal of Selected Topics in Quantum Electronics, 14 (3). pp. 911-917. ISSN 1077-260X

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Abstract

We report the first experimental observation of three distinct forms of two-wavelength switching (clockwise, anticlockwise, and butterfly) for a 1550 nm vertical cavity surface emitting laser (VCSEL) operated just above threshold and subject to orthogonally polarized optical injection. The spectrum of the device exhibits two modes, a main mode emitting in a "parallel" polarization and a subsidiary "orthogonal" polarized mode. Low input-power switching of the emission wavelength of the VCSEL by an orthogonally polarized external optical signal injected to the long-wavelength side of the subsidiary mode is observed. Clock-wise switching and bistability of the main lasing mode with very high on-off contrast ratio has been measured in all cases. Three different switching shapes: anticlockwise, butterfly, and clock-wise, have been measured for the output of the optically injected VCSEL. This diversity of switching behavior with a 1550 nm VCSEL subject to optical injection offers promise for the use of these devices in all-optical switching/routing as well as optical interconnect applications. © 2008 IEEE.

Item Type: Article
Uncontrolled Keywords: light polarization; optical bistability (OB); two-wavelength switching; vertical cavity surface emitting laser (VCSEL)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 05 Mar 2012 14:32
Last Modified: 18 Aug 2022 10:57
URI: http://repository.essex.ac.uk/id/eprint/2186

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