A Novel Flattened Gain RAMAN-Photonic Crystal Quantum Dot Semiconductor Hybrid Optical Amplifier in U Band for Super Dense Wavelength Division Multiplexing System. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 30, n. 6, p. 796, 2023. DOI: 10.56042/ijems.v30i6.480. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/480. Acesso em: 13 may. 2026.