US 7,321,454 B2
Apparatus for modulating one or both of spectral phase and amplitude of an optical signal
Christophe J. Dorrer, Matawan, N.J. (US); and Dan M. Marom, Howell, N.J. (US)
Assigned to Lucent Technologies Inc., Murray Hill, N.J. (US)
Filed on Oct. 07, 2005, as Appl. No. 11/245,760.
Prior Publication US 2007/0081223 A1, Apr. 12, 2007
Int. Cl. G02B 26/00 (2006.01)
U.S. Cl. 359—238  [359/290] 19 Claims
OG exemplary drawing
 
1. An apparatus for modulating spectral phase and spectral amplitude of a received optical signal, comprising:
a spatial dispersion mechanism for spatially dispersing a received optical signal into a plurality of spatially dispersed signal components;
a modulating mechanism comprising a plurality of modulating component sets, each modulating component set having associated adjacent modulating components operable for adapting relative phases of respective portions of one of the spatially dispersed signal components, the phase-adapted portions of the spatially dispersed signal component being adapted for modulating spectral phase of the spatially dispersed signal component; and
a spatial filtering mechanism adapted for destructively interfering the phase-adapted portions of the spatially dispersed signal component for modulating spectral amplitude of the spatially dispersed signal component.