Prism coupling of ultrashort light pulses into waveguides
JOSA B, Vol. 23, Issue 2, pp. 353-357 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000353
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Abstract
We discuss coupling of ultrashort light pulses into waveguides by use of a prism waveguide coupler configuration. Theoretical analysis indicates that an extra loss induced by the short coherence times of ultrashort pulses, which has a strong effect on the reflected light and the optimum coupling condition, appears in the waveguide. Numerical simulations show that the reflectance strongly depends on the coherence times of ultrashort pulses. A method for realizing optimum coupling by compensating for the extra loss is proposed as well in this paper. A preliminary experiment of employing ultrashort pulses with different coherence times was carried out, and good agreement between theory and experiment was obtained.
© 2006 Optical Society of America
OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(230.7370) Optical devices : Waveguides
(320.2250) Ultrafast optics : Femtosecond phenomena
ToC Category:
Optical Devices
History
Original Manuscript: July 5, 2005
Revised Manuscript: August 31, 2005
Manuscript Accepted: September 4, 2005
Citation
Xiangmin Liu, Pengfei Zhu, Zhuangqi Cao, Qishun Shen, and Jialin Chen, "Prism coupling of ultrashort light pulses into waveguides," J. Opt. Soc. Am. B 23, 353-357 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-2-353
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