© The Institution of Engineering and Technology
Simultaneously generating two independently tunable chirped microwave waveforms based on optical spectral shaping and wavelength-to-time mapping with an arrayed waveguide Sagnac interferometer that incorporates linearly chirped fibre Bragg gratings are demonstrated.
References
-
-
1)
-
2. Chen, L.R.: ‘Photonic generation of chirped microwave and millimeter wave pulses based on optical spectral shaping and wavelength-to-time mapping in silicon photonics’, Opt. Commun., 2016, 373, pp. 70–81 (doi: 10.1016/j.optcom.2015.04.023).
-
2)
-
7. Shu, X., Yu, L., Zhao, D., et al: ‘Transmission characteristics of Sagnac interferometers based on fiber Bragg gratings’, J. Opt. Soc. Am., 2002, 19, (11), pp. 2770–2780 (doi: 10.1364/JOSAB.19.002770).
-
3)
-
1. Peng, H., Liu, D.C.: ‘Enhanced ultrasound strain imaging using chirp-coded pulse excitation’, Biomed. Signal Proc. Control, 2013, 8, (2), pp. 130–141 (doi: 10.1016/j.bspc.2012.09.002).
-
4)
-
5. Wang, C., Yao, J.: ‘Chirped microwave pulse generation based on optical spectral shaping and wavelength-to-time mapping using a Sagnac loop mirror incorporating a chirped fiber Bragg grating’, J. Lightwave Technol., 2009, 27, (16), pp. 3336–3341 (doi: 10.1109/JLT.2008.2010561).
-
5)
-
6. Capmany, J., Muñoz, P., Sales, S., et al: ‘Arrayed waveguide Sagnac interferometer’, Opt. Lett., 2003, 28, (3), pp. 197–199 (doi: 10.1364/OL.28.000197).
-
6)
-
8. Shahoei, H., Li, M., Yao, J.: ‘Continuously tunable time delay using an optically pumped linear chirped fiber Bragg grating’, J. Lightwave Technol., 2011, 29, (10), pp. 1465–1472 (doi: 10.1109/JLT.2011.2132754).
-
7)
-
3. Yao, J.: ‘Photonic generation of microwave arbitrary waveforms’, Opt. Commun., 2011, 284, (15), pp. 3723–3736 (doi: 10.1016/j.optcom.2011.02.069).
-
8)
-
4. Torres-Company, V., Metcalf, A.J., Leaird, D.E., et al: ‘Multichannel radio-frequency arbitrary waveform generation based on multiwavelength comb switching and 2-D line-by-line pulse shaping’, Photonics Technol. Lett., 2012, 24, (11), pp. 891–893 (doi: 10.1109/LPT.2012.2190054).
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.2452
Related content
content/journals/10.1049/el.2017.2452
pub_keyword,iet_inspecKeyword,pub_concept
6
6
Correspondence
This article has following corresponding article(s):
in brief