Quasi-phase-matched frequency doubling in a waveguide of a 1560-nm diode laser and locking to the rubidium D2 absorption lines

Vered Mahal, Ady Arie, Mark A. Arbore, Martin M. Fejer

Research output: Contribution to journalArticlepeer-review

Abstract

An external-cavity 1560-nm diode laser was frequency doubled in a 3-cm-long periodically poled LiNbO3 waveguide doubler with 120% W-1 conversion efficiency. The 780-nm light was used to detect the D2 transitions of Rb, and the laser frequency was locked to Doppler-broadened lines of Rb. Furthermore, the ∼1 μW of second-harmonic power was sufficient for detecting the sub-Doppler lines of Rb, and the laser was locked to a 87Rb crossover line.

Original languageEnglish
Pages (from-to)1217-1219
Number of pages3
JournalOptics Letters
Volume21
Issue number16
DOIs
StatePublished - 15 Aug 1996

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