A microwave coherence-multiplexed optical transmission system on Ti:LiNbO3 integrated optics technology

Gutiérrez‐Martínez, C.; Porte, H.; Goedgebuer, J.-P.; Sánchez‐Rinza, B; Hauden, J.

doi:10.1002/(sici)1098-2760(199701)14:1<64::aid-mop19>3.0.co;2-c

Cited by 11 publications

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“…A very attractive feature of coherence modulation is that it allows serial or parallel multiplexing of optical delays [16] and, from this fact, multi-point sensing arrays can be proposed. Serial coherence multiplexing can be a promising technique in fibred schemes for distributed sensing arrays as several optical delays can be cascaded over a single optical channel.…”

Section: Introductionmentioning

confidence: 99%

An all-fibre and integrated optics electric field sensing scheme using matched optical delays and coherence modulation of light

Gutiérrez‐Martínez¹,

Santos-Aguilar²,

Ochoa-Valiente³

2007

Meas. Sci. Technol.

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Sensing electric fields occupying large bandwidths are interesting in practical applications related to natural phenomena and also in man-made hard electromagnetic industrial environments. In this work, an electric field sensor scheme, using coherence modulation of light, in an all-fibre configuration is described. The scheme uses lithium niobate (LiNbO3), integrated optics sensors. In a coherence modulation scheme, the LiNbO3 sensor detects the electric field and imprints it around an optical delay. The optical delay, acting as an information carrier, is transmitted through an optical fibre channel. At the receiver, light is demodulated by using a two-wave interferometer, introducing a second optical delay which is matched to the sensor's one. The demodulator can be implemented using either a second LiNbO3 crystal or an all-fibre optical retarder. Both alternatives are studied in this paper. The optical demodulator measures the optical autocorrelation around the optical delay and the electric field is recovered as a linear variation of the received optical power. Matching of the sensor and demodulator allows direct detection of the electric field, giving an unequal feature of an all-fibre scheme. The bandwidth of the sensing scheme is between 0 and 20 kHz.

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Section: Introductionmentioning

confidence: 99%

An all-fibre and integrated optics electric field sensing scheme using matched optical delays and coherence modulation of light

Gutiérrez‐Martínez¹,

Santos-Aguilar²,

Ochoa-Valiente³

2007

Meas. Sci. Technol.

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Automated system for measuring optical parameters for coherence-modulated optical links

Gutiérrez‐Martínez

Rodrı́guez-Asomoza

2000

Review of Scientific Instruments

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A computer-controlled system allowing automated measurements of coherence lengths and optical delays as starting data for designing coherence modulated optical links is described here. Modulation using optical delays as information carriers is currently known as coherence modulation. Main characteristics of coherence modulated transmissions include the need of using low-coherence optical sources and integrated optics retarders. The reported results include characterization of low-coherence semiconductor optical sources and lithium niobate (LiNbO3) integrated optics coherence modulators.

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Automated measurement of optical coherence lengths and optical delays for applications in coherence-modulated optical transmissions

Gutiérrez‐Martínez

Sánchez‐Rinza²,

Rodrı́guez-Asomoza³

et al. 2000

IEEE Trans. Instrum. Meas.

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A microwave coherence-multiplexed optical transmission system on Ti:LiNbO3 integrated optics technology

Cited by 11 publications

References 0 publications

An all-fibre and integrated optics electric field sensing scheme using matched optical delays and coherence modulation of light

An all-fibre and integrated optics electric field sensing scheme using matched optical delays and coherence modulation of light

Automated system for measuring optical parameters for coherence-modulated optical links

Automated measurement of optical coherence lengths and optical delays for applications in coherence-modulated optical transmissions

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