Optical signal transmission transducer

Details Optical signal transmission transducer Optical signal transmission transducer

2003-04-16

2008-09-23

Vanore, David A. (Department: 2881)

Optical waveguides

Temporal optical modulation within an optical waveguide

C257S421000, C324S252000

Reexamination Certificate

active

07428347

ABSTRACT:
The invention includes an optical signal transmission transducer. The optical signal transmission transducer includes a magnetic tunnel junction. The magnetic tunnel junction can be tuned to switch states in response to selected frequencies of a magnetic field. A light source can be modulated based upon states of the magnetic tunnel junction. An alternate embodiment of the optical signal transmission transducer includes a light transducer that generates magnetic sense signals based upon reception of modulated light signals. The light transducer can be integrated with a magnetic tunnel junction. The magnetic tunnel junction can be tuned to switch states in response to selected frequencies of the magnetic sense signal.

REFERENCES:
patent: 6232777 (2001-05-01), Sato et al.
patent: 6532323 (2003-03-01), Kim et al.
patent: 6549454 (2003-04-01), Slaughter
patent: 6756649 (2004-06-01), Moddel et al.
patent: 7173275 (2007-02-01), Estes et al.
patent: 2003/0123335 (2003-07-01), Rettner et al.
Yiping He, et al, Electronics Letters, Nov. 22, 2001, vol. 37, No. 24, pp. 1459-1460.

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