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Application of spectral-hole burning in the inhomogeneously broadened gain of self-assembled quantum dots to a multiwavelength-channel nonlinear optical device

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8 Author(s)
T. Akiyama ; Femtosecond Technol. Res. Assoc., Tsukuba, Japan ; H. Kuwatsuka ; T. Simoyama ; Y. Nakata
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A nonlinear device capable of handling multiple wavelength channels simultaneously by using spectral-hole burning in the inhomogeneous broadening of the gain in self-assembled quantum dots is proposed. The multichannel property of this device stems from the localized absorption or gain change at the pump wavelength within the inhomogeneously broadened gain spectrum. The spectral width of the modulation and its time evolution was also evaluated. The result indicates the applicability of this device to multichannel operation.

Published in:

IEEE Photonics Technology Letters  (Volume:12 ,  Issue: 10 )