Title :
Internal optical couplings and functions of vertically and directly integrated device of four phototransistors and a laser diode
Author :
Noda, Susumu ; Kobayashi, Yasuhiro ; Sasaki, Akio
Author_Institution :
Dept. of Electr. Eng., Kyoto Univ., Japan
Abstract :
An optoelectronic integrated device composed of four heterojunction phototransistors and a laser diode has been developed. Optical coupling between constituent devices is investigated, and it is shown that there are three coupling modes between any two phototransistors through the laser diode. Various functions such as optical tristability, light-controlled optical bistability, and light-controlled optical thresholding are demonstrated by utilizing these optical coupling phenomena.<>
Keywords :
integrated optoelectronics; optical bistability; phototransistors; semiconductor lasers; coupling modes; laser diode; light-controlled optical bistability; light-controlled optical thresholding; optical couplings; optical tristability; optoelectronic integrated device; phototransistors; Diode lasers; Gold; Heterojunctions; Integrated optics; Optical bistability; Optical coupling; Optical devices; Optical feedback; Phototransistors; Voltage;
Journal_Title :
Photonics Technology Letters, IEEE
