Optical modulator based on a microdisk resonator

Details Optical modulator based on a microdisk resonator Optical modulator based on a microdisk resonator

2005-07-19

2005-07-19

Healy, Brian M. (Department: 2883)

Optical waveguides

Temporal optical modulation within an optical waveguide

C385S002000, C385S042000, C385S129000, C385S130000, C385S014000, C385S027000, C385S028000, C359S341100, C359S346000, C359S347000, C359S348000, C359S349000

Reexamination Certificate

active

06920253

ABSTRACT:
A modulator having a waveguide and a microdisk resonator is disclosed. The waveguide has an input port for receiving a light signal of wavelength λ and an output port for transmitting modulated light. The microdisk resonator has a resonance at λ and is coupled to the waveguide between the input and output ports such that at least 10 percent of the light traveling in the waveguide is coupled to the microdisk resonator. The microdisk resonator further includes a material having a first state and a second state, the material absorbing more of the light in the first state than in the second state. The first and second states are selectable by a signal that is applied to the microdisk resonator. In one embodiment, the waveguide and the microdisk resonator occupy different portions of a sheet of material having the various layers used to construct the resonator.

REFERENCES:
patent: 6633696 (2003-10-01), Vahala et al.
patent: 2001/0004411 (2001-06-01), Yariv
patent: 2002/0041730 (2002-04-01), Sercel et al.
patent: 2002/0081055 (2002-06-01), Painter et al.
patent: 2004/0240782 (2004-12-01), de Almeida et al.

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