Rof-SOA npauj npaim semiconductor optical amplifier (SOA) yog tsuas yog siv rau 1550nm wavelength optical amplification, siv kaw inorganic npauj npaim ntaus ntawv ntim tshuab, tag nrho cov txheej txheem ntawm domestic autonomous tswj, nrog siab nce, tsawg zog noj, tsawg polarization cuam tshuam poob, siab extinction. piv thiab lwm yam ntxwv, txhawb kev ntsuas kub thiab TEC thermoelectric tswj, los xyuas kom meej qhov ruaj khov ntawm tag nrho cov kub.