Multiple pump parametric apparatus having no idler broadening

Details Multiple pump parametric apparatus having no idler broadening Multiple pump parametric apparatus having no idler broadening

2006-12-05

2006-12-05

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

Parametric oscillator

C359S279000

Reexamination Certificate

active

07145715

ABSTRACT:
A multi-pump phase modulator apparatus and operating method uses only one phase modulator to eliminate SBS without degrading idler(s). The single phase modulator phase modulates multiple pump signals to form multiple phase modulated pump signals using a modulation signal having a modulation period. A delay apparatus delays a first wavelength group by the modulation period relative to other wavelength groups. A combiner combines the delayed first wavelength group with the other wavelength groups to form a combined modulated multiple pump signal. In one embodiment a multi-pump phase parametric apparatus comprises the multi-pump phase modulator apparatus combined with a parametric apparatus to generate an amplified input signal and one or more idlers. Other embodiments of the multi-pump phase conjugator apparatus are used as part of an Optical Switch, Sampler, Tributary Extractor, and Regenerator.

REFERENCES:
patent: 5386314 (1995-01-01), Jopson
patent: 2004/0042060 (2004-03-01), McKinstrie et al.
patent: 2005/0146780 (2005-07-01), McKinstrie et al.
Radic et al, “Selective Suppression of Idler Spectral Broadening in Two-Pump Parametric Architectures”, IEEE Photonics Technology Letters, vol. 15, No. 5, May 2003, pp. 673-675.
K.K.Y. Wong et al, “Polarization-Independent and flat-gain CW two-pump fiber optical parametric amplifier and wavelength convertoer”, Technical Digest OFC 2002, paper TuS5.

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