Nrog rau ntau tshaj 20 xyoo ntawm fiber ntau coupling tshuab thiab ntau tshaj 10 xyoo ntawm wavelength locking tshuab, BWT muab kev cob qha cov khoom-state laser twj tso kua mis qhov chaw rau cov neeg muas zaub nyob rau hauv thiab txawv teb chaws, npog ntau yam khoom nrog txawv specifications ntawm 808nm, 878.6nm, thiab 888m ua.