PLC (Planar Light wave Circuit) itandukanya ikoreshwa mugukwirakwiza cyangwa guhuza ibimenyetso bya optique.Ishingiye kuri tekinoroji yumurongo wumurongo wumurongo kandi itanga igiciro gito cyo gukwirakwiza urumuri hamwe nibintu bito kandi byizewe cyane.
1xN Ibice bya PLC ni uburyo bwo guhuza neza kugirango ugabanye icyinjijwe kimwe (optique) mubice byinshi bya optique bisohoka kimwe, mugihe 2xN PLC itandukanya igabanya ibyinjijwe bibiri (optique) mubisubizo byinshi bya optique.Imbaraga zihuza ibice bya PLC bitanga imikorere ihanitse ya optique, ihagaze neza kandi yizewe kugirango ihuze ibisabwa bitandukanye.
Amacakubiri ya PLC yambaye ubusa akoreshwa kumwanya muto ushobora gushyirwa byoroshye mumasanduku isanzwe hamwe no gufunga ibice.Kugirango byorohereze gusudira, ntibikeneye kubigenewe byumwihariko kubibanza byabitswe.
Ihuza ry'amashanyarazi ritanga ibice bitandukanye bya 1xN na 2xN PLC bitandukanya ubusa, harimo 1 × 2, 1 × 4, 1 × 8, 1 × 16,1 × 32, 1 × 64 fibre yambaye ubusa ya PLC itandukanya na 2 × 2, 2 × 4 , 2 × 8, 2 × 16, 2 × 32, 2 × 64 fibre yambaye ubusa ubwoko bwa PLC.