Title :
Highly efficient optical coupling of laser diode array to single-mode fiber array with heat-treated hemispherical microlens
Author :
Honmou, H. ; Itoh, M.
Author_Institution :
Functional Devices Res. Labs., NEC Corp., Kawasaki, Japan
Abstract :
Low-loss coupling has been achieved between a laser diode array and a single-mode fiber array. The single-mode fiber array is tipped with a newly developed heat-treated hemispherical microlens. Average array coupling loss was as low as 3.9±0.4 dB
Keywords :
heat treatment; lenses; optical fabrication; optical fibre couplers; optical interconnections; optical losses; packaging; semiconductor laser arrays; 3.9 dB; average array coupling loss; heat-treated hemispherical microlens; highly efficient optical coupling; laser diode array; lenses; optical fabrication; optical fiber coupling; optical interconnections; packaging; single-mode fiber array; Diode lasers; Etching; Heat treatment; Lenses; Microoptics; Optical arrays; Optical coupling; Optical devices; Optical fiber devices; Semiconductor laser arrays;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1993. LEOS '93 Conference Proceedings. IEEE
Conference_Location :
San Jose, CA
Print_ISBN :
0-7803-1263-5
DOI :
10.1109/LEOS.1993.379267