Saxena, Dhruv; Wang, Fan; Gao, Qian; Mokkapati, Sudha; Tan, Hoe Hark; Jagadish, Chennupati
We experimentally determine the lasing mode(s) in optically pumped semiconductor nanowire lasers. The spatially resolved and angle-resolved far-field emission profiles of single InP nanowire lasers lying horizontally on a SiO<inf>2</inf> substrate are characterized in a microphotoluminescence (μ-PL) setup. The experimentally obtained polarization dependent far-field profiles match very well with numerical simulations and enable unambiguous identification of the lasing mode(s). This technique...[Show more]
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