Wide bandwidth phase-locked diode laser with an intra-cavity electro-optic modulator
arXiv:0809.3763 · doi:10.1016/j.optcom.2008.11.055
Abstract
Two extended cavity laser diodes are phase-locked, thanks to an intra-cavity electro-optical modulator. The phase-locked loop bandwidth is on the order of 10 MHz, which is about twice larger than when the feedback correction is applied on the laser current. The phase noise reaches -120 dBrad/Hz at 10 kHz. This new scheme reduces the residual laser phase noise, which constitutes one of the dominant contributions in the sensitivity limit of atom interferometers using two-photon transitions.
11 pages, 3 figures
References in corpus (8)
- 6-axis inertial sensor using cold-atom interferometry
- Determination of the Newtonian Gravitational Constant Using Atom Interferometry
- Limits to the sensitivity of a low noise compact atomic gravimeter
- Interference-filter-stabilized external-cavity diode lasers
- Transportable laser system for atom interferometry
- Influence of lasers propagation delay on the sensitivity of atom interferometers
- Phase-Locked, Low-Noise, Frequency Agile Titanium: Sapphire Lasers for Simultaneous Atom Interferometers
- First measurements of the index of refraction of gases for lithium atomic waves
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