Dual-polarization frequency-modulated laser source

G. W. Baxter*, J. M. Dawes, P. Dekker, D. S. Knowles

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)


Diode-pumped 1.3-μm as well as 1.06-μm Nd:YAG lasers have been operated with two orthogonally polarized modes at slightly different frequencies. The frequency difference, controlled by an intracavity electrooptic crystal, may be modulated. Thus, two polarized outputs are obtained; one at a constant frequency, and the other frequency-modulated. This is a novel source for frequency-modulated heterodyne detection systems where the reference (local oscillator) frequency originates from the signal laser itself and is automatically locked to it.

Original languageEnglish
Pages (from-to)1015-1017
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number8
Publication statusPublished - Aug 1996

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