Method and device for generating an electrical signal with a...

Details Method and device for generating an electrical signal with a... Method and device for generating an electrical signal with a...

2011-07-19

2011-07-19

Jeanglaude, Jean (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Using optical device,

C356S502000

Reexamination Certificate

active

07982645

ABSTRACT:
A device for generating an electrical signal with a wide band arbitrary waveform includes at least two continuous wave lasers each being adapted to produce light at a different wavelength. The device also includes at least one pulse generator adapted to convert the light from the lasers into optical pulse trains and a plurality of optical modulators. Each modulator is adapted to receive an optical pulse train at at least one wavelength and modulate the optical pulse train in response to an electromagnetic signal. An optically dispersive element is adapted to receive the optical pulse trains from the modulators and to introduce a wavelength dependent delay between the optical pulse trains. The device further includes a photodetector for receiving the modulated dispersed optical pulse trains and producing an analogue electrical signal in response thereto.

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Search Report, dated Apr. 12, 2006, Application No. GB0524460.3.

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