Mid-range coherent optical frequency domain reflectometry with a DFB laser diode coupled to an external cavity
- 1 May 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 13 (5), 954-960
- https://doi.org/10.1109/50.387813
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
This publication has 16 references indexed in Scilit:
- Experimental and theoretical investigations of coherent OFDR with semiconductor laser sourcesJournal of Lightwave Technology, 1994
- Chirp and feedback control in semiconductor pigtailed DFB lasers without integrated isolatorElectronics Letters, 1993
- Optical coherence domain reflectometry by synthesis of coherence function with nonlinearity compensation in frequency modulation of a laser diodeJournal of Lightwave Technology, 1993
- Mode hopping noise in coherent FMCW reflectometryElectronics Letters, 1992
- The mechanism of mode selection for an external cavity laserIEEE Photonics Technology Letters, 1990
- Submillimeter optical reflectometryJournal of Lightwave Technology, 1989
- Linewidth determination from self-heterodyne measurements with subcoherence delay timesIEEE Journal of Quantum Electronics, 1986
- Regimes of feedback effects in 1.5-µm distributed feedback lasersJournal of Lightwave Technology, 1986
- Nonlinear dynamics and spectral behavior for an external cavity laserIEEE Journal of Quantum Electronics, 1986
- Optical frequency domain reflectometry in single-mode fiberApplied Physics Letters, 1981