Slavery in the Early Modern Ottoman Empire (1400-1800): Systems, Forms, and Comparisons

How did slavery function in the early modern Ottoman Empire (1400-1800)? What were the different forms of slavery present in the Ottoman Empire between 1400-1800? How does the Ottoman experience of slavery compare to the system of slavery that arose in the Americas between 1600 and 1850? Does the experience of Osman of Timisoara as a slave to various Habsburg soldiers fit into these models of slavery?