@DEV ID (BSHOM)

• Number the Hong-Ou-Mandel (HOM) interferometer in the system. If @BSHOM_NUM is larger then one, set 1,2,3,...
• Is store as dev_ID in the fortran code.

example

@DEV_ID
1

Which mean the system has one Hong-Ou-Mandel (HOM) interferometer, and its ID is 1.