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Simulation of Simultaneous Multi-Wavelength Conversion in GaN/AlN Intersubband Optical Amplifiers
IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Ultrafast Photonics)
WDM, wavelength converter, intersubband transition, optical amplifier, GaN, FDTD,
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Simultaneous wavelength conversion utilizing four-wave mixing in optically-pumped GaN/AlN intersubband optical amplifiers has been investigated by means of a finite-difference time-domain (FDTD) model. The conversion efficiencies at a pump power of +7-+10 dBm were predicted to be -9-+6 dB depending on the frequency detuning (0.3-10.9 THz). The difference in efficiency among 18 channels of WDM signals with 100-GHz spacing was within about 3 dB.