Proper spoke tension when dishing to the side of the hub
1600N is a lot. Check your rim’s specification, most rims are limited to 1200N. You can go slightly above the 1200N, especially since pressurizing the tyres will de-load the spokes by 50N or so.
The non-drive side will end up somewhere around 700–800N.
The most important thing is that you don’t have single spokes with very low or very high tension. In an asymmetric wheel ideally you’d have all spokes on each side at the same tension.
Using longer or shorter spokes won’t really change anything of this. The problem is simply that the spoke angle on the drive-side is steeper to make space for the cassette sprockets while keeping the rim centered.