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3.8-THz wavelength conversion of picosecond pulses using a semiconductor delayed-interference signal-wavelength converter (DISC)

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4 Author(s)
Ueno, Y. ; Labs. of Optoelectron. & High Frequency Device Res., NEC Corp., Ibaraki, Japan ; Nakamura, S. ; Tajima, K. ; Kitamura, S.

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.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 3 )