Wideband microwave and millimeter wave filters using...

Details Wideband microwave and millimeter wave filters using... Wideband microwave and millimeter wave filters using...

2011-07-05

2011-07-05

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S095000, C398S149000, C398S196000, C398S198000

Reexamination Certificate

active

07974534

ABSTRACT:
An apparatus and method is disclosed for producing and filtering optical and electrical waveforms. The apparatus includes an electro-optical modulator, an optical filter capable of modulating at least two spectral regions within the bandwidth of the electrical waveform, and an optical-to-electrical converter. The optical filter includes a spatial dispersion means, a spatial modulating means having the capability to substantially independently modulate a characteristic of each of a pair of optical spatial elements.

REFERENCES:
patent: 7362927 (2008-04-01), Ilchenko et al.
patent: 7460746 (2008-12-01), Maleki et al.
patent: 2004/0008401 (2004-01-01), Szczepanek et al.
patent: 2008/0013163 (2008-01-01), Leonardo et al.
patent: 2009/0122816 (2009-05-01), Wagner et al.

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