Observation of intensity-induced nonreciprocity in a fiber-optic gyroscope
Nonreciprocal phase shift has been predicted and observed in a fiber-optic gyroscope based on a Sagnac interferometer when the intensities of the counterpropagating beams are unequal. The magnitude of this intensity-induced phase shift is 1.4 rad/W power difference. At 1-microW power difference, thi...
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| Published in | Optics letters Vol. 7; no. 9; p. 457 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
United States
01.09.1982
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| Online Access | Get more information |
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| Abstract | Nonreciprocal phase shift has been predicted and observed in a fiber-optic gyroscope based on a Sagnac interferometer when the intensities of the counterpropagating beams are unequal. The magnitude of this intensity-induced phase shift is 1.4 rad/W power difference. At 1-microW power difference, this is equivalent to a rotation rate of 0.2 degrees /h in our 200-m-long fiber with a core radius of 2.25 microm that is wound around a spool of 19-cm diameter. The data are consistent with theoretical predictions based on four-wave mixing in the quartz fiber. |
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| AbstractList | Nonreciprocal phase shift has been predicted and observed in a fiber-optic gyroscope based on a Sagnac interferometer when the intensities of the counterpropagating beams are unequal. The magnitude of this intensity-induced phase shift is 1.4 rad/W power difference. At 1-microW power difference, this is equivalent to a rotation rate of 0.2 degrees /h in our 200-m-long fiber with a core radius of 2.25 microm that is wound around a spool of 19-cm diameter. The data are consistent with theoretical predictions based on four-wave mixing in the quartz fiber. |
| Author | Ezekiel, S Davis, J L Hellwarth, R W |
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| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/19714055$$D View this record in MEDLINE/PubMed |
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| Title | Observation of intensity-induced nonreciprocity in a fiber-optic gyroscope |
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