Citation
Sulaiman, Abdul Hadi and Abu Bakar, Muhammad Hafiz and Abdul Kadir, Muhammad Zamzuri and Hitam, Salasiah and Abas, Ahmad Fauzi and Mahdi, Mohd Adzir
(2013)
Investigation of multiwavelength performance utilizing an advanced mechanism bidirectional Lyot filter.
IEEE Photonics Journal, 5 (6).
art. no. 7101008.
pp. 1-8.
ISSN 1943-0655
Abstract
We investigate the performance of multiwavelength spectrum based on an advanced mechanism of a bidirectional Lyot filter. The generation and the variation of the multiwavelength spectrum are due to the effect of intensity dependent loss, which is induced from a semiconductor optical amplifier and its combination with a polarizer. By using the bidirectional configuration, a flat spectrum of 96 number of lines within 5 dB bandwidth is generated at current setting of 350 mA. The extinction ratio of the multiwavelength spectrum is high at 15 dB even though the line spacing is 0.1 nm. Multiwavelength flatness is better using the bidirectional Lyot filter configuration due to the effect of double interference. Additionally, different intensity and polarization angle are also found to be influencing the multiwavelength spectrum.
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