Method, system and apparatus for chromatic dispersion compensation utilizing a gires-tournois interferometer

A dispersion compensator, comprising:

• an input optical fiber;
• an output optical fiber;
• a collimator optically coupled to the input and output optical fibers;
• and
• an interferometer optically coupled to the collimator at a side opposite to the input and output optical fibers, wherein the interferometer is a Gires-Tournois interferometer, wherein the Gires-Tournois interferometer comprises:
• a first glass plate optically coupled to the collimator at the side opposite to the input and output optical fibers,
• a second glass plate optically coupled to the first glass plate at a side opposite to the collimator,
• a plurality of spacers coupled to the first and second glass plates, forming a cavity,
• a first reflective surface coupled to the first glass plate on a face inside the cavity, and
• a second reflective surface coupled to the second glass plate on a face inside the cavity.

A dispersion compensator, comprising:

• a plurality of compensators, each comprising:
• an input optical fiber,
• an output optical fiber,
• a collimator optically coupled to the input and output optical fibers, and
• an interferometer optically coupled to the collimator at a side opposite to the input and output optical fibers;
• and
• a plurality of optical couplings, wherein the plurality of optical couplings sequentially optically couples each of the plurality of compensators.

A system, comprising:

• at least one dispersion compensator, comprising:
• an input optical fiber,
• an output optical fiber,
• a collimator optically coupled to the input and output optical fibers, and
• an interferometer optically coupled to the collimator at a side opposite to the input and output optical fibers;
• and
• a channel separator optically coupled to the at least one dispersion compensator.

A system, comprising:

• a dispersion compensator, comprising:
• an input optical fiber,
• an output optical fiber,
• a collimator optically coupled to the input and output optical fibers, and
• an interferometer optically coupled to the collimator at a side opposite to the input and output optical fibers;
• and
• an optical comb filter optically coupled to the dispersion compensator.

A system, comprising:

• a first fiber optic communications system, wherein the first fiber optic communications system transmits a composite optical signal with a chromatic dispersion;
• a dispersion compensator, comprising:
• an input optical fiber optically coupled to the first fiber optic communications system,
• an output optical fiber,
• a collimator optically coupled to the input and output optical fibers, and
• an interferometer optically coupled to the collimator at a side opposite to the input and output optical fibers;
• and
• a second fiber optic communications system optically coupled to the output optical fiber of the dispersion compensator, wherein the second fiber optic communications system the composite optical signal compensated for the chromatic dispersion.