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Zero path-length difference interferometry using filter response of unbalanced interferometer to an amplified spontaneous emission beat noise spectrum |
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| Authors: | Gyeong-il Kweon Jung-ho Choi Jihoon Kang Daeyeon Kim |
| Affiliation: | (1) Optical Amplifier Laboratory, LG Cable Ltd., 1026-6, Hogye-dong, 431-080 Dongan-gu, Anyang-shi, Kyungki-do, Korea |
| Abstract: | Zero path-length difference interferometry is demonstrated using the filter response of an unbalanced interferometer to the spontaneous/spontaneous beat noise spectrum of an amplified spontaneous emission source. The method is applicable to path-length differences ranging from a few centimeters to several kilometers. |
| Keywords: | interferometry interferometer zero path-length difference optical path-length difference amplified spontaneous emission photocurrent intensity noise relative intensity noise beat noise |
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