Title :
High speed optical mixer for distribution of 16 QAM or QPSK data signals over 38 GHz
Author :
Mathoorasing, D. ; Tanguy, D. ; Legaud, P. ; Penard, E. ; Bouchoule, Sophie ; Kazmierski, C. ; Dueme, Philippe ; Nicole, Pierre ; Schaller, M. ; Bois, J.R. ; Dravet, A.
Author_Institution :
Lab. de Bagneux, CNET, Bagneux
fDate :
4/10/1997 12:00:00 AM
Abstract :
The authors demonstrate that an optoelectronic millimetre-wave (MM-wave) laser mixer operating at 38 GHz is capable of managing different modulation formats at different rates with the same identical operating conditions. This mixer is a relatively simple and compact optical source which integrates a wideband distributed transimpedance amplifier with a fast MQW VUG DFB laser. The mixer is fed with an electrical power of only 3 dBm at 7.6 or 9.5 GHz to provide the 38 GHz carrier. The device is capable of handling generated harmonics with either 16 QAM at 5 Mbits/s, QPSK at 60 Mbits/s or NRZ at 622 Mbits/s signals over 15 km fibre-fed MM-wave radio systems without optical amplification
Keywords :
data communication equipment; digital communication; distributed feedback lasers; integrated optoelectronics; laser beam applications; microwave links; millimetre wave mixers; optical communication equipment; optical fibre communication; quadrature amplitude modulation; quadrature phase shift keying; quantum well lasers; 15 km; 16 QAM data signals; 38 GHz; 5 to 622 Mbit/s; 7.6 GHz; 9.5 GHz; EHF; NRZ format; QPSK data signals; compact optical source; fast MQW VUG DFB laser; fibre-fed MM-wave radio systems; high speed optical mixer; modulation formats; optoelectronic MM-wave laser mixer; wideband distributed transimpedance amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970480
