Journal Article10.1364/OL.7.000337
Single-loop polarization stabilization for single-mode fiber.
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TL;DR: A simple active control system is described that maintains the output of a single-mode fiber at prescribed polarization and intensity, thus counteracting erratic birefringeance effects in the fiber that are due to temperature drift and mechanical disturbances.
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Abstract: A simple active control system is described that maintains the output of a single-mode fiber at prescribed polarization and intensity, thus counteracting erratic birefringeance effects in the fiber that are due to temperature drift and mechanical disturbances. Whereas the system of Ulrich [Appl. Phys. Lett. 35, 840 (1979)] controls two polarization parameters by means of two interdependent control loops, ours controls only one parameter and requires only a single control loop. The resulting considerable reduction of optical and electronic system complexity is realized at the expense of about 30-50% of input light intensity.
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Citations
Technique for elimination of polarisation fading in fibre interferometers
TL;DR: In this article, the optical output of an interferometer is projected onto three (or more) polarisation states, detected and combined, and the maximum variation in signal and in signal/noise ratio is 6 dB.
88
Remote polarization control for fiber-optic interferometers.
Keith H. Wanser,Nabil H. Safar +1 more
TL;DR: A simple method has been developed for control and prevention of polarization fade on a single output lead from a remotely located fiber-optic interferometer, and its application for passive, remotely located sensors is discussed.
51
Fabrication of single-polarisation single-mode-fibre couplers
TL;DR: Fused biconical taper fiber couplers have been fabricated from single-polarisation single-mode fibres as discussed by the authors, showing an extinction ratio of about −15dB.
41
Progress in monomode transmission techniques in the United Kingdom
TL;DR: In this article, experimental results obtained from experimental systems studies over monomode fiber and cable links are given for both direct detection and coherent optical systems, where the same transmitters have been used in conjunction with amplitude and phase shift key modulation techniques to obtain improved performance.
38
Patent
Fiber optic polarizer with error signal feedback
Pavlath George A
- 03 Dec 1984
TL;DR: In this paper, a lightwave of an arbitrary polarization propagating in a single mode optical fiber is converted into a wave having a single linear polarization state, and a photodetector produces an error signal responsive to light coupled from the fiber.
37
References
Polarization optics of twisted single-mode fibers
R. Ulrich,A. Simon +1 more
TL;DR: In twisted single-mode optical fibers the polarization of light is affected by an elastooptically induced optical activity and by a modification of any linear birefringence present.
822
Elasto-optic polarization measurement in optical fiber.
N Chinone,R Ulrich +1 more
TL;DR: A method is described for the nondestructive determination of the state of polarization of the guided light at an arbitrary point along a single-mode fiber using elasto-optic polarization modulation.
40
Birefringence Measurement of Fiber-Optic Devices
TL;DR: A spectrometer-polarimeter is described for the measurement of the wavelength-dependent general birefringence of single-mode optical fibers and fiber-optic devices.
10
Polarization stabilization on single‐mode fiber
TL;DR: In this article, the state of polarization at the output end of a long nominally circular single-mode optical fiber is stabilized by an active control system, which contains a polarimeter and two electromagnetic fiber squeezers which introduce variable amounts of stress birefringence directly into the fiber.