Optical amplifier and process for amplifying an optical signal p

Details Optical amplifier and process for amplifying an optical signal p Optical amplifier and process for amplifying an optical signal p

1997-01-21

1998-09-29

Hellner, Mark

Optical: systems and elements

Optical amplifier

359341, 385 30, H01S 0300, G02B 0626

Patent

active

058153098

ABSTRACT:
A side-polished fiber/overlay waveguide architecture and process for non-invasively implementing an optical amplifier are provided for an optical communications system. A "channel" overlay waveguide is employed to constrain for amplification optical energy evanescently coupled to the overlay waveguide from the side-polished optical fiber. The overlay waveguide exhibits a non-linear response of second order, and non-linear frequency conversion is employed to down-convert a high-power, short-wavelength pump signal into the waveguide to amplify the optical energy coupled thereto. The channel overlay waveguide is dimensioned to allow for phase matching between highest order modes of the optical signal within the side-polished fiber optic and the pump signal provided to the channel overlay waveguide. A low-index matching layer is disposed between the channel overlay waveguide and the side-polished fiber optic to facilitate phase matching of the propagation modes. Amplification of optical energy in the channel overlay waveguide is established within a single beat length of evanescent removal to evanescent return of the optical energy to the side-polished fiber optic.

REFERENCES:
patent: 4515431 (1985-05-01), Shaw et al.
patent: 4603940 (1986-08-01), Shaw et al.
patent: 4742307 (1988-05-01), Thylen
patent: 4867518 (1989-09-01), Stamnitz et al.
patent: 4895422 (1990-01-01), Rand et al.
patent: 5005175 (1991-04-01), Desurvire et al.
patent: 5064265 (1991-11-01), Khanarian et al.
patent: 5274495 (1993-12-01), Shirasaki
patent: 5396362 (1995-03-01), Yakymyshyn et al.
patent: 5479542 (1995-12-01), Krivoshlykov
Stewart, Kevin R. "Organic Crystals Give Optoelectronics a Boost," Photonics Spectra, pp. 104-108, Jul. 1994.
Bradley, D. "Plastics That Play on Lights," Science, vol. 261, pp. 1272 & 1273, Sep. 1993.
Marder et al., Nonlinear Optical Polymers: Discovery to Market in 10 Years? Science, vol. 263, pp. 1706 & 1707, Mar. 1994.
McCallion et al., Investigation of Optical Fibre Switches Using Electro-Optic Interlays, Dec. 1991.
Millar et al., "Exposed-Core Single-Mode-Fiber Channel-Dropping Filter Using a High-Index Overlay Waveguide," Optical Society of America, vol. 12, No. 4, pp. 284-286, Apr. 1987.
Fawcett et al., "In-Line Fiber-Optic Intesnity Modulator Using Electro-Optic Polymer," Electronic Letters, vol. 28, No. 11, pp. 985 & 986, May 1992.
Creaney et al., "Continuous-Fiber Modulator with High-Bandwidth Coplanar Strip Electrodes, " IEEE Photonics Technology Letters, vol. 8, No. 3, pp. 355-357, Mar. 1996.
Panajoatov, Krassimir P., Evanescent Field Coupling Between a Single-Mode Fiber and a Planar Waveguide with Absorption or Gain, Optical Society of America, vol. 13, No. 11, pp. 2468-2476, Nov. 1996.
K. Thyagarajan et al., "Proton-exchanged peroidically segmented waveguides in LiNbO.sub.3 ", OPTICS LETTERS, vol. 19, No. 12, Jun. 15, 1994, pp. 880-882.
M. L. Bortz et al., "Increased acceptance bandwidth for quasi-phasematched second harmonic generation in LiNbO.sub.3 waveguides", IEEE, Oct. 28, 1993, (2 pp.).
S. Helmfrid et al., "Optical Parametric Amplification of a 1.54-.mu.m Single-Mode DFB Laser in a Ti:LiNbO.sub.3 Waveguide", Journal of Lightwave Technology, vol. 11, No. 9, Sept. 1993, pp. 1459-1469.
R. A. Baumgartner et al., "Optical Parametric Amplification", IEEE Journal of Quantum Electronics, vol. QE-15, No. 6, Jun. 1979, pp. 432-444.

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