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Coherent High-Speed Signal Transmission in Passive Optical Networks

Cherutoi, Henry; Waswa, David; Choge, Dismas (Journal of Research in Engineering and Computer Sciences, 2023-11)

A comparative study of digital M-ary Quadrature Amplitude Modulation (16-QAM) and QPSK modulationformats for high-speed transmission is presented. Based on VPI optical simulation software. This paper builds ...

The Comparison between Inquiry-Based and Traditional Learning Approaches on the Student Performance in Physics in Kesses Sub- County, Kenya

Kimiru, Kinyanjui Godfrey; . Samikwo, Dinah C.; Choge, Dismas (International Journal of Research Publication and Reviews, 2025-09)

Physics is one of the science subjects offered in the Kenyan secondary school curriculum. Despite attracting few learners over a long period of time, its performance has been poor as indicated in the Kenya National ...