Title :
Mid-range coherent optical frequency domain reflectometry with a DFB laser diode coupled to an external cavity
Author :
von der Weid, J.P. ; Passy, R. ; Gisin, N.
Author_Institution :
Center for Telecomm. Studies, Pontificia Univ. Catolica do Rio de Janeiro, Brazil
fDate :
5/1/1995 12:00:00 AM
Abstract :
The optical frequency of an external double cavity coupled laser diode was controlled via the phase of the feedback light. Strong linewidth and mode hopping reductions were obtained, extending coherent reflectometry with semiconductor sources to the range of hundreds of meters
Keywords :
laser cavity resonators; laser feedback; laser modes; measurement by laser beam; optical couplers; optical fibre testing; reflectometry; semiconductor lasers; spectral line breadth; DFB laser diode; coherent reflectometry; external cavity coupled laser diode; feedback light phase; mid-range coherent optical frequency domain reflectometry; mode hopping reductions; optical fibre testing; semiconductor sources; strong linewidth; Diode lasers; Frequency domain analysis; High speed optical techniques; Optical coupling; Optical fiber LAN; Optical mixing; Optical saturation; Optical scattering; Optical sensors; Reflectometry;
Journal_Title :
Lightwave Technology, Journal of
