3.8-THz wavelength conversion of picosecond pulses using asemiconductor delayed-interference signal-wavelength converter (DISC) |
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| Authors: | Ueno Y. Nakamura S. Tajima K. Kitamura S. |
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| Affiliation: | Labs. of Optoelectron. & High Frequency Device Res., NEC Corp., Ibaraki; |
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| Abstract: | A new all-optical semiconductor-band-filling-based wavelength converter, named delayed-interference signal-wavelength converter (DISC), is proposed. Its speed is not restricted by the carrier lifetime and its structure is very simple: it consists of only two essential components, namely, a semiconductor optical amplifier and a passive split-delay. Using this converter, 3.8-THz-shifted (from 1530 to 1560-nm) 14-ps-long pulses are generated from 1530-nm 140-fJ 0.7-ps pulses with high-conversion efficiency |
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