Amplified Spontaneous Emission and Optical Gain in Organic Single Crystal Quinquethiophene. - Zeb, Muhammad; Tahir, Muhammad; Muhammad, Fida; Mohd Said, Suhana; Mohd Sabri, Mohd Faizul; R. Sarker, Mahidur; Hamid Md Ali, Sawal; Wahab, Fazal (Crystals (2073-4352), 2019)