Method and optical fiber device for production of low noise...

Details Method and optical fiber device for production of low noise... Method and optical fiber device for production of low noise...

2008-07-22

2008-07-22

Font, Frank G (Department: 2883)

Optical waveguides

Having nonlinear property

C385S125000

Reexamination Certificate

active

07403688

ABSTRACT:
A waveguide, such as a holey fiber or other optical fiber, is tapered to control the dispersion in a manner which varies along the length of the tapered portion of the fiber, thus providing the desired characteristics of the fiber. The longitudinal variation of the phase-matching conditions for Cherenkov radiation (CR) and four-wave mixing (FWM) introduced by DMM allow the generation of low-noise supercontinuum. The flexibility of the design permits the designer to control the tapering to select the bandwidth, the center frequency, or both. The holey fiber can be a polarization-maintaining fiber.

REFERENCES:
patent: 2005/0094941 (2005-05-01), Knox
patent: 2006/0153512 (2006-07-01), Falkenstein et al.
Birks et al., Supercontinuum Generation in Tapered Fibers, Oct. 1, 2000, vol. 25, No. 19, Optics Letters, pp. 1415-1417.
Sakamaki et al., Soliton Induced Supercontinuum Generation in Photonic Crystal Fiber, Sep./Oct. 2004, vol. 10, No. 5, IEEE Journal of Selected Topics in Quantum Electronics, pp. 876-884.
Skryabin et al., Soliton Self Frequency Shift Cancellation in Photonic Crystal Fibers, Sep. 19, 2003, vol. 301, Science,□□ pp. 1705-1708.
Skryabin et al., Soliton Self Frequency Shift Cancellation in Photonic Crystal Fibers, Sep. 19, 2003, vol. 301, Science, pp. 1705-1708.
“Generation of a broadband continuum with high spectral coherence in tapered single-mode optical fibers”, Fei Lu, et al., Optics Express, Jan. 26, 2004, vol. 2, No. 2, pp. 347-353.

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