Fiber chromatic dispersion measurement with improved measurement range based on chirped intensity modulation

Shangjian Zhang; Xinhai Zou; Heng Wang; Yali Zhang; Heping Li; and Yong Liu

doi:10.1364/PRJ.2.000B26

Photonics Research, Volume. 2, Issue 4, B26(2014)

Fiber chromatic dispersion measurement with improved measurement range based on chirped intensity modulation

Shangjian Zhang^*, Xinhai Zou, Heng Wang, Yali Zhang, Heping Li, and and Yong Liu

State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science & Technology of China, Chengdu 610054, China

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Figures & Tables(7)

Fig. 1. Schematic diagram of the proposed method. Vb, bias voltage; TLD, wavelength tunable laser diode; PC, polarization controller; IM, intensity modulator; DUT, device under test; PD, photodiode.

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Fig. 2. Minimum measurable dispersion as a function of the chirp parameter (a) for the normal dispersion case and (b) for the anomalous dispersion case.

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Fig. 3. Measured transfer function for a 25.4 km long SMF at different bias voltages (Vb) of the intensity modulator.

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Fig. 4. Measured transfer function of a 6.1 km long SMF at different bias voltages (Vb) of the intensity modulator.

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Fig. 5. Measured chromatic dispersion of a 81.5 km long SMF at different operating wavelengths.

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Fig. 6. Error transfer factor at the associated frequency as a function of chirp parameter.

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Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Function^a

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Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Function^a

					$D_{T} (ps / n m)$
Fiber Length (km)	$V_{b}$ (V)	$α$	$f_{h}$ (GHz)	$f_{1}$ (GHz)	Fitted	Measured	Maximum Uncertainty
25.4	$- 1.4$	2.31	4.394	6.215	419.7	420.06	2.37%
25.4	$- 2.2$	0.98	6.127	8.665	420.3	419.19	2.47%
6.1	$- 1.8$	1.84	10.02	14.168	99.55	98.54	2.38%
6.1	$- 2.1$	1.05	12.385	17.518	99.83	98.6	2.45%

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Shangjian Zhang, Xinhai Zou, Heng Wang, Yali Zhang, Heping Li, and Yong Liu. Fiber chromatic dispersion measurement with improved measurement range based on chirped intensity modulation[J]. Photonics Research, 2014, 2(4): B26

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Paper Information

Special Issue: MICROWAVE PHOTONICS

Received: Mar. 17, 2014

Accepted: May. 6, 2014

Published Online: Sep. 15, 2014

The Author Email: Shangjian Zhang (sjzhang@uestc.edu.cn)

DOI:10.1364/PRJ.2.000B26

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Functiona

Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Functiona

Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Function^a

Table 1. Uncertainty of the Fiber Dispersion Resulting from the Measured Transfer Function^a