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Opt Lett. 1991 Mar 15;16(6):381-3. doi: 10.1364/ol.16.000381.

Depolarized source for fiber-optic applications.

Optics letters

W K Burns, R P Moeller, C H Bulmer, A S Greenblatt

PMID: 19773940 DOI: 10.1364/ol.16.000381

Abstract

Two diode-pumped Nd:YAG lasers are combined with their polarization vectors at 90 degrees to each other to create a depolarized source suitable for propagation over long lengths of ordinary, low-birefringence single-mode fiber without a change in the polarization state. The source is demonstrated with an integrated-optical Mach-Zehnder interferometer and provides a constant -3.dB intensity input to the required linear input polarization state.

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