Fiber stretcher module for use in the 1550 nm wavelength range
AssigneeOFS Fitel, LLC
InventorLars Gruner-Nielsen
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Abstract
Embodiments of the present invention are generally related to embodiments of the present invention relate to a fiber stretchers module for use in the 1550 nm wavelength range. In one embodiment of the present invention, a fiber stretcher module for use in the 1550 nm wavelength range comprises a first fiber comprising a relative dispersion curve value of greater than about 0.0002 nm−2 and a dispersion value of less than about −60 ps/(nm·km) at about 1550 nm, and a second fiber comprising a relative dispersion curve value of about zero and a relative dispersion slope value of about 0.003 nm−1 at about 1550 nm, wherein the fiber stretcher module comprises a collective relative dispersion slope of about 0.0413 nm−1 and a relative dispersion curve of about 0.00286 nm−2 at 1550 nm.
Claims6
An optical fiber stretcher module for use in the 1550 nm wavelength range comprising:
- a first fiber having a relative dispersion slope, RDS, and a relative dispersion curvature, RDC, wherein a ratio of the slope to the curvature is less than about 30 nm, and having a dispersion value of between about −20 ps/(nm·km) to about −100 ps/(nm·km) at about 1550 nm, wherein the RDS of the first fiber in the 1550 nm range is between about 0.004 nm−1 to about 0.03 nm−1, and wherein the RDC of the first fiber in the 1550 range is between about 0.0001 nm−2 to about 0.002 nm−2;
- a second fiber having a RDC of about zero, a RDS value greater than 0.002 nm−1 and a dispersion value of greater than about 10 ps/(nm·km), at about 1550 nm.
A chirped pulse amplification system, comprising:
- a pulse generator producing pulses in the 1550 nm wavelength range;
- and
- an optical fiber stretcher module for use in the 1550 nm wavelength range comprising:
- a first fiber having a relative dispersion slope, RDS, and a relative dispersion curvature, RDC wherein a ratio of the slope to the curvature is less than about 30 nm, and having a dispersion value of between about −20 ps/(nm·km) to about −100 ps/(nm·km) at about 1550 nm, wherein the RDS of the first fiber in the 1550 nm range is between about 0.004 nm−1 to about 0.03 nm−1, and wherein the RDC of the first fiber in the 1550 range is between about 0.0001 nm−2 to about 0.002 nm−2;
- a second fiber having a RDC of about zero, a RDS value greater than 0.002 nm−1 and a dispersion value of greater than about 10 ps/(nm·km), at about 1550 nm.
A method of operating a chirped pulse amplification system in the 1550 nm wavelength range, comprising:
- providing a pulse generator capable of producing pulses in the 1550 nm wavelength range;
- providing a fiber stretcher module for use in the 1550 nm wavelength range comprising:
- a first fiber having a relative dispersion slope, RDS, and a relative dispersion curvature, RDC wherein a ratio of the slope to the curvature is less than about 30 nm, and having a dispersion value of between about −20 ps/(nm·km) to about −100 ps/(nm·km) at about 1550 nm, wherein the RDS of the first fiber in the 1550 nm range is between about 0.004 nm−1 to about 0.03 nm−1, and wherein the RDC of the first fiber in the 1550 range is between about 0.0001 nm−2 to about 0.002 nm−2;
- a second fiber having a RDC of about zero, a RDS value greater than 0.002 nm−1 and a dispersion value of greater than about 10 ps/(nm·km), at about 1550 nm;
- and generating a input pulse from pulse generator within the 1550 nm wavelength range.
Dependencies are inferred from the claim text.