Line-of-sight data transmission system based on Mid IR quantum cascade laser - art. no. 68770F

• Presented at: Conference on Free-Space Laser Communication Technologies XX, San Jose, CA, Jan 24, 2008
• Published in: Free-Space Laser Communication Technologies Xx (ISBN: 978-0-8194-7052-2), vol. 6877, p. F8770-F8770
• Series: Proceedings Of The Society Of Photo-Optical Instrumentation Engineers (Spie)
• Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa, 2008

We report on an application of a pulsed distributed feedback quantum cascade laser (QCL) for an open path data transmission. A pulse QCL in the 1046 cm(-1) range (28.7 THz) is used as a carrier signal source. The QCL is modulated with 50 ns pulses at repetition rate of 100 kHz, used as a sub-carrier. This sub-carrier is frequency modulated with a low frequency signal with bandwidth of 20 kHz (high quality sound signal).

Keywords: optical communications ; open path laser communications ; line of sight communications ; free space optics ; Space ; Operation

Reference

• EPFL-CONF-160991
• View record in Web of Science

Record created on 2010-11-30, modified on 2016-08-09