Title :
Low-loss optical directional coupler on InP
Author :
Deri, R.J. ; Yasuoka, Nami ; Makiuchi, M. ; Kuramata, Akito ; Wada, O. ; Yamakoshi, Shigenobu
Author_Institution :
Bellcore, Red Bank, NJ, USA
Abstract :
The authors demonstrate a low-loss 3 dB directional coupler for use in balanced coherent receivers for lightwave communications. The device exhibits 1.6-1.7 dB insertion loss and better than 52:48 splitting ratio at 1.54 mu m wavelength.
Keywords :
III-V semiconductors; directional couplers; indium compounds; integrated optoelectronics; optical communication equipment; optical couplers; 1.54 micron; 1.6 to 1.7 dB; 3 dB; InP; balanced coherent receivers; insertion loss; low loss coupler, semiconductors; optical directional coupler; splitting ratio; wavelength;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890905