Title :
All-optical wavelength conversions based on MgO-doped LiNbO3 QPM waveguides using an EDFA as a pump source
Author :
Bracken, J.A. ; Xu, C.Q.
Author_Institution :
Dept. of Eng. Phys., McMaster Univ., Hamilton, Ont., Canada
fDate :
7/1/2003 12:00:00 AM
Abstract :
We propose and demonstrate cascaded /spl chi//sup (2)/ wavelength conversion in an MgO-doped LiNbO/sub 3/ quasi-phase-matched waveguide at reduced pump cost by using only an erbium-doped fiber amplifier (EDFA) as the exclusive pump source in a fiber-ring resonator. A fiber Bragg grating in conjunction with an optical circulator isolates the pump light and confines it to the resonator. A conversion efficiency of -30 dB was obtained with a 3-dB gain-saturation output power of only +12 dBm from the EDFA. It is anticipated that -14-dB conversion efficiency is possible, if an EDFA with a 3-dB gain-saturation output power of +20 dBm is used.
Keywords :
Bragg gratings; integrated optics; lithium compounds; magnesium compounds; optical circulators; optical phase matching; optical pumping; optical saturation; optical waveguides; optical wavelength conversion; photorefractive materials; wavelength division multiplexing; EDFA; LiNbO/sub 3/:MgO; MgO-doped LiNbO/sub 3/ QPM waveguides; MgO-doped LiNbO/sub 3/ quasi-phase-matched waveguide; all-optical wavelength conversion; cascaded wavelength conversion; conversion efficiency; erbium-doped fiber amplifier; exclusive pump source; fiber Bragg grating; fiber-ring resonator; gain-saturation output power; optical circulator; pump cost; pump light; pump source; Erbium-doped fiber amplifier; Frequency conversion; Optical fiber polarization; Optical mixing; Optical pumping; Optical resonators; Optical waveguides; Optical wavelength conversion; Power generation; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.813413
