Mode-coupling Cerenkov sum-frequency-generation in a multimode planar waveguide

We present experimental and theoretical studies of the mode-coupling Cerenkov sum-frequency radiations in a multimode LiNbO3 planar waveguide. The radiations result from the coupling of different guided modes of the fundamental wave, which have the same optical frequencies but different propagation...

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Veröffentlicht in:	Applied physics letters 2010-10, Vol.97 (16)
Hauptverfasser:	Chen, Changdong, Su, Jie, Zhang, Yong, Xu, Ping, Hu, Xiaopeng, Zhao, Gang, Liu, Yanhua, Lv, Xinjie, Zhu, Shining
Format:	Artikel
Sprache:	eng
Schlagworte:	ALKALI METAL COMPOUNDS CHERENKOV RADIATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS CONVERSION COUPLING ELECTROMAGNETIC RADIATION LITHIUM COMPOUNDS NIOBATES NIOBIUM COMPOUNDS OXYGEN COMPOUNDS RADIATIONS REFRACTORY METAL COMPOUNDS SCATTERING TRANSITION ELEMENT COMPOUNDS WAVE PROPAGATION WAVEGUIDES
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Beschreibung
Zusammenfassung:	We present experimental and theoretical studies of the mode-coupling Cerenkov sum-frequency radiations in a multimode LiNbO3 planar waveguide. The radiations result from the coupling of different guided modes of the fundamental wave, which have the same optical frequencies but different propagation constants. At the same time, scattering-involved Cerenkov sum-frequency-generation was also observed and discussed. Our theoretical predictions are in well accordance with the experimental results.
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.3505359