US PATENT SUBCLASS 359 / 248
.~.~.~.~.~.~ Semiconductor

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

237  DF  OPTICAL MODULATOR {3}
238  DF  .~ Light wave temporal modulation (e.g., frequency, amplitude, etc.) {3}
240  DF  .~.~ Changing bulk optical parameter {5}
245  DF  .~.~.~ Electro-optic {11}
246  DF  .~.~.~.~ Modulation of polarized light via modulating input signal {10}
247  DF  .~.~.~.~.~ Using reflective or cavity structure {1}
248.~.~.~.~.~.~ Semiconductor

DEFINITION

Classification: 359/248

Semiconductor:

(under subclass 247) Subject matter wherein barrier layer (i.e., semiconducting) material is used in the modulating structure, generally, as a variable reflector.