Parametric amplification using two pump waves

Details Parametric amplification using two pump waves Parametric amplification using two pump waves

2007-01-16

2007-01-16

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

Parametric oscillator

C330S004500

Reexamination Certificate

active

11068555

ABSTRACT:
An optical parametric amplifier (OPA) driven with at least two pump waves. The pump waves may be configured such that the OPA produces uniform exponential gain over a range of wavelengths that extends, for example, at least 30 nm on either side of the average pump-wave wavelength. In addition, since the Brillouin scattering limit applies to each pump wave independently, substantially twice the amount of energy may be pumped into an OPA of the present invention compared to that in the corresponding single pump-wave OPA of the prior art. An OPA of the present invention may be used in a WDM communication system and configured for simultaneous signal amplification and wavelength conversion.

REFERENCES:
patent: 3617912 (1971-11-01), Miller
patent: 4349907 (1982-09-01), Campillo et al.
patent: 5386314 (1995-01-01), Jopson
patent: 5771117 (1998-06-01), Harris et al.
I. Tomkos et al, “Performance Of A Reconfigurable Wavelength Converter Based On Dual-Pump-Wave Mixing In A Semiconductor Optical Amplifier”, IEEE Photonics Technology Letters, vol. 10, No. 10, Oct. 1998, pp. 1404-1406.
“Applications of Nonlinear Fiber Optics,” Govinda P. Agrawal, Nonlinear Fiber Optics, Third Edition, Optics and Photonics, Academic Press, pp. 40-41, 164-165, 388-393.

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