PHOTOELECTRIC DEVICES USING NEGATIVE RESISTANCE DIODES

摘要

PURPOSE: Photoelectric devices using negative resistance diodes are provided to perform a function of an all-optical oscillator by tying two diodes with a direct metal line without an external electrical source, and to exchange an electro-optical signal and to process a wire/wireless signal by exchanging a binary optical signal, modulating optical input with regular intensity and an electro-circuit self vibrating signal from the negative resistance of an optical composition as an electro-optical oscillator. CONSTITUTION: Photoelectronic devices using diodes in negative resistance comprises a semi-insulation compound semiconductor substrate(10), a semiconductor mirror(20), two-Positive Intrinsic Negative(PIN) diodes. The semiconductor mirror has a hetero semiconductor layer which is repeatedly stacked thereon to raise optical-absorption of an optical PIN diode on the substrate. Opposite polarity of the two PIN diodes is formed in parallel for an external electrical source on the same area of the semiconductor mirror. The PIN diodes induce N-shaped negative resistance characteristics by two exposure beams from outside, and output the exposure beams as optical-modulation which reversed the exposure beams by an electric vibrating signal, which the external electrical source is applied and induced when inducing the negative resistance characteristics.