Non-inverting cross-gain modulation-based wavelength converter

Details Non-inverting cross-gain modulation-based wavelength converter Non-inverting cross-gain modulation-based wavelength converter

2008-03-11

2008-03-11

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Particular active medium

C359S332000

Reexamination Certificate

active

07342713

ABSTRACT:
Wavelength converter and methods are based on cross-gain modulation. The wavelength converter has two semiconductor optical amplifiers to perform double cross-gain modulations and double inversions. The first semiconductor optical amplifier performs a first cross-gain modulation on a first continuous wave light using the input light as a modulating light to generate an inverted first-stage cross-gain modulated light. The second semiconductor optical amplifier performs a second cross-gain modulation on a second continuous wave light using the first-stage cross-gain modulated light as a modulating light to generate a double-inverted output light. The output light is non-inverted with respect to the input light.

REFERENCES:
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patent: 6947206 (2005-09-01), Tsadka et al.
Renaud, M. et al., “SOA-based Optical Network Components,” 2001 Electronic Components and Technology Conference, 2001, IEEE.
Munoz De La Corte, M. et al., “Accurate Noise Characterization of Wavelength Converters Based on XGM in SOAs,” Journal of Lightwave Technology, Jan. 2003, pp. 182-197, vol. 21, No. 1, IEEE.
Elmirghani, J. et al., “All-Optical Wavelength Conversion: Technologies and Applications in DWDM Networks,” IEEE Communications Magazine, Mar. 2000, pp. 86-92.

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