Optical amplification at the 1.31 wavelength

Details Optical amplification at the 1.31 wavelength Optical amplification at the 1.31 wavelength

1993-03-30

1994-02-15

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359343, H01S 317

Patent

active

052872173

ABSTRACT:
An optical amplifier operating at the 1.31 .mu.m wavelength for use in such applications as telecommunications, cable television, and computer systems. An optical fiber or other waveguide device is doped with both Tm.sup.3+ and Pr.sup.3+ ions. When pumped by a diode laser operating at a wavelength of 785 nm, energy is transferred from the Tm.sup.3+ ions to the Pr.sup.3+ ions, causing the Pr.sup.3+ ions to amplify at a wavelength of 1.31

REFERENCES:
patent: 5084890 (1992-01-01), Brierley
patent: 5140658 (1992-08-01), Sunshine
patent: 5185847 (1993-02-01), Fevrier et al.

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