Off resonance laser frequency stabilization using the Faraday effect

Abstract

We present a simple technique for stabilization of a laser frequency off resonance using the Faraday effect in a heated vapor cell with an applied magnetic field. In particular we demonstrate stabilization of a 780 nm laser detuned up to 14 GHz from the 85Rb D2 5 2S_1/2 F = 2 to 5 2P_3/2 F' = 3 transition. Control of the temperature of the vapor cell and the magnitude of the applied magnetic field allows locking ~6-14 GHz red and blue detuned from the atomic line. We obtain an rms fluctuation of 16(1) MHz over one hour without stabilization of the cell temperature or magnetic field.

3 pages, 4 figures

References in corpus (5)

• Modulation transfer spectroscopy in atomic rubidium
• Slow-light Faraday effect: an atomic probe with gigahertz bandwidth
• Narrow absorptive resonances in a four-level atomic system
• Optical transfer cavity stabilization using current-modulated injection-locked diode lasers
• A heated vapor cell unit for DAVLL in atomic rubidium

Cited by in corpus (6)

• ElecSus: A program to calculate the electric susceptibility of an atomic ensemble
• Atomic Faraday filter with equivalent noise bandwidth less than 1 GHz
• Characterization of high-temperature performance of cesium vapor cells with anti-relaxation coating
• Absolute absorption and dispersion of a rubidium vapour in the hyperfine Paschen-Back regime
• Magic-wavelength Faraday probe measures spin continuously and without light shifts
• Stabilization of a laser on a large-detuned atomic-reference frequency by resonant interferometry