In this article. we explore perfect and quasi-perfect codes for the Bosonic channel. where information is generated by a laser and conveyed in the form of coherent states. In particular. https://www.roneverhart.com/HGST-Ultrastar-7K6000-HUS726040ALS214-4TB-7-2K-RPM-SAS-12Gb-s-512n-128MB-3-5-SE-Hard-Drive/