Results 281 to 290 of about 349,357 (303)

Laser phase noise quenching via squeezed vacuum reservoir

Physical Review A, 2005
It is shown by Gea-Banacloche [Phys. Rev Lett. 59, 543 (1987)] that the Laser Phase diffusion rate may be reduced by as much as one-half when laser is coupled out through a partially transmitting mirror to ``squeezed vacuum'' as opposed to ordinary vacuum. This happens for a particular choice of the phase of the squeezed field. However, phase stability
openaire   +1 more source

Phase noise in a laser with output coupling

IEEE Journal of Quantum Electronics, 1984
An improved method of calculating the linewidth of a laser oscillator due to phase noise is proposed. The fluctuation in the output amplitude that leads to the phase diffusion is calculated as the amplified thermal and the quantum noise which are delta-correlated in time. The saturated gain distribution along the cavity axis that is consistent with the
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Phase Noise Quenching in a Four-Level Laser

Chinese Physics Letters, 2010
In the presence of usual transmission losses, it is shown that phase noise in a four-level laser can be reduced below the Schawlow–Townes limit when lasing levels are coupled to a squeezed vacuum reservoir. The squeezed vacuum coupled to the lasing mode modifies the phase diffusion rate and dominates the contribution from transmission losses.
openaire   +1 more source

Phase-sensitive frequency-modulation noise spectroscopy with a diode laser

Optics Letters, 1996
We have demonstrated phase-sensitive FM noise spectroscopy, using the frequency noise of a diode laser. We obtained the reference signal for this experiment by sending part of the diode-laser beam through a Mach-Zehnder interferometer, which acted as a frequency discriminator. Both the reference beam (prepared with an interferometer) and the probe beam
S, Lathi, S, Kasapi, Y, Yamamoto
openaire   +2 more sources

Intensity noise of an injection-locked Ti:sapphire laser: analysis of the phase-noise-to-amplitude-noise conversion

Journal of the Optical Society of America B, 2006
We describe the characterize a compact ring Ti:sapphire laser injection locked to an extended-cavity semiconductor source. The laser system has a good spectral purity and allows for fast scans, keeping the injectionlocking condition. We analyze experimentally the amplitude noise properties of the free-running and injected laser and show good agreement ...
J. BELFI, I. GALLI, G. GIUSFREDI, MARIN, FRANCESCO   +3 more
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Noise-driven phase for lasers

Nature, 1988
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Observation of quantum phase noise in a laser oscillator

IEEE Journal of Quantum Electronics, 1968
A. E. Siegman, R. Arrathoon
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High-speed quantum random number generation by measuring phase noise of a single-mode laser

Optics Letters, 2010
Bing Qi, Hoi-Kwong Lo
exaly  

Conversion of laser phase noise to amplitude noise in an optically thick vapor

Journal of the Optical Society of America B: Optical Physics, 1998
J C Camparo
exaly  

The effects of filtering RF source phase noise by a low noise, high quality factor actively modelocked laser on the laser’s absolute and relative phase noise

Optics Express, 2006
Sarper Ozharar, Peter J Delfyett
exaly