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Alon G, Lim OK, Bhagwat A, et al. Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations. Opt Lett. 2013;38(8):1268-70doi: 10.1364/OL.38.001268.
Alon, G., Lim, O. K., Bhagwat, A., Chen, C. H., Annamalai, M., Vasilyev, M., & Kumar, P. (2013). Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations. Optics letters, 38(8), 1268-70. https://doi.org/10.1364/OL.38.001268
Alon, Gideon, et al. "Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations." Optics letters vol. 38,8 (2013): 1268-70. doi: https://doi.org/10.1364/OL.38.001268
Alon G, Lim OK, Bhagwat A, Chen CH, Annamalai M, Vasilyev M, Kumar P. Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations. Opt Lett. 2013 Apr 15;38(8):1268-70. doi: 10.1364/OL.38.001268. PMID: 23595454.
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Opt Lett. 2013 Apr 15;38(8):1268-70. doi: 10.1364/OL.38.001268.

Optimization of gain in traveling-wave optical parametric amplifiers by tuning the offset between pump- and signal-waist locations.

Optics letters

Gideon Alon, Oo-Kaw Lim, Amar Bhagwat, Chao-Hsiang Chen, Muthiah Annamalai, Michael Vasilyev, Prem Kumar

Affiliations

  1. Center for Photonic Communication and Computing, Electrical Engineering and Computer Science Department, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA.

PMID: 23595454 DOI: 10.1364/OL.38.001268

Abstract

We present experimental demonstration and modeling of the optimization of a phase-sensitive optical parametric amplifier by tuning the relative position between the pump and signal beam waists along the propagation direction. At the optimum position, the pump beam focuses after the signal beam, and this departure from colocated waists increases with increasing pump power. Such optimization leads to more than 3 dB improvement in the measured deamplification response of the amplifier.

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