Kedu ihe bụ ụkpụrụ nhazi nke sistemụ multiplexing nkewa wavelength?

Mgbakwunye nkewa nkewa nke optical wavelength bụ teknụzụ nke na-ebufe akara ngosi anya dị iche iche n'otu eriri optical. Isi ihe dị mkpa bụ ijikọta akara ngosi anya (multiplex) nke ogologo ebili dị iche iche na njedebe nnyefe, jikọta ha na otu eriri optical na ahịrị eriri optical maka nnyefe, ma kewapụ (demultiplex) akara ngosi anya nke ogologo ebili jikọtara ọnụ na njedebe nnata. , ma hazie ya nke ọma, a na-enweta akara ngosi mbụ ma ziga ya na ọdụ dị iche iche.

Mgbakwunye nkewa nkewa WDM abụghị echiche ọhụrụ. Ná mmalite nke ngosipụta nke nkwukọrịta eriri optical, ndị mmadụ ghọtara na enwere ike iji nnukwu bandwit nke eriri optical maka nnyefe ọtụtụ wavelength, mana tupu afọ 1990, enweghị nnukwu ọganihu na teknụzụ a. Mmepe ngwa ngwa Site na 155Mbit/s ruo 622Mbit/s ruo 2.5Gbit/s Sistemụ TDM ọnụego TDM anọwo na-amụba okpukpu anọ n'ime afọ ole na ole gara aga Ndị mmadụ anaghị etinye uche na teknụzụ ọzọ mgbe otu teknụzụ na-aga ngwa ngwa Ihe dị ka afọ 1995 Ihe dị mkpa kpatara mgbanwe na mmepe nke sistemụ WDM bụ na ndị mmadụ zutere ihe ndọghachi azụ na teknụzụ TDM 10Gbit/s n'oge ahụ, ọtụtụ anya lekwasịrị anya na multiplexing na nhazi nke akara optical. Ọ bụ mgbe ahụ ka sistemụ WDM nwere ọtụtụ ngwa gburugburu ụwa.