Title :
Analysis of terahertz optical asymmetric demultiplexers subject to picosecond control and signal optical pulses
Author :
Tang, J.M. ; Shore, K.A.
Author_Institution :
Sch. of Electron. Eng. & Comput. Sci., Univ. of Wales, Bangor, UK
Abstract :
A numerical treatment is undertaken to investigate the operating characteristics of TOAD devices subject to frequency detuned signal and control pulses. In comparison with positive detuning, it is shown that negative detuning can greatly enhance the output power in the switched region causing a lower threshold energy and can decrease the width of the switching window. The results suggests that negative frequency detuning should be adopted for separating pulses by wavelength. This is consistent with available experimental results
Keywords :
demultiplexing equipment; electro-optical switches; laser tuning; mirrors; semiconductor device models; semiconductor optical amplifiers; submillimetre wave devices; TOAD devices; control pulses; frequency detuned signal pulses; lower threshold energy; negative detuning; negative frequency detuning; numerical treatment; operating characteristics; output power; picosecond control; separating pulses; signal optical pulses; switched region; switching window; terahertz optical asymmetric demultiplexer analysis; Counting circuits; Frequency; Optical control; Optical pulses; Optical refraction; Optical saturation; Optical variables control; Optimized production technology; Semiconductor optical amplifiers; Signal analysis;
Conference_Titel :
Terahertz Electronics Proceedings, 1998. THz Ninety Eight. 1998 IEEE Sixth International Conference on
Conference_Location :
Leeds
Print_ISBN :
0-7803-4903-2
DOI :
10.1109/THZ.1998.731715
