Unified approach to Čerenkov second harmonic generation

Vito Roppo; Ksawery Kalinowski; Yan Sheng; Wieslaw Krolikowski; Crina Cojocaru; Jose Trull

doi:10.1364/OE.21.025715

Unified approach to Čerenkov second harmonic generation

Vito Roppo, Ksawery Kalinowski, Yan Sheng, Wieslaw Krolikowski, Crina Cojocaru, Jose Trull

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

We discuss the effect of second harmonic generation via the Čerenkov-like process in nonlinear bulk media and waveguides. We show that in both schemes the Čerenkov harmonic emission represents in fact a nonlinear Bragg diffraction process. It is therefore possible, for the first time, to describe the bulk and waveguide Čerenkov emission uniformly by considering the spatial modulation of the second-order nonlinear polarization. This is also experimentally illustrated by studying the Čerenkov second harmonic generation at the boundary of a nonlinear quadratic medium via the total internal reflection inside the nonlinear crystal.

Original language	English
Pages (from-to)	25715-25726
Number of pages	12
Journal	Optics Express
Volume	21
Issue number	22
DOIs	https://doi.org/10.1364/OE.21.025715
Publication status	Published - 4 Nov 2013

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10.1364/OE.21.025715

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title = "Unified approach to {\v C}erenkov second harmonic generation",

abstract = "We discuss the effect of second harmonic generation via the {\v C}erenkov-like process in nonlinear bulk media and waveguides. We show that in both schemes the {\v C}erenkov harmonic emission represents in fact a nonlinear Bragg diffraction process. It is therefore possible, for the first time, to describe the bulk and waveguide {\v C}erenkov emission uniformly by considering the spatial modulation of the second-order nonlinear polarization. This is also experimentally illustrated by studying the {\v C}erenkov second harmonic generation at the boundary of a nonlinear quadratic medium via the total internal reflection inside the nonlinear crystal.",

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T1 - Unified approach to Čerenkov second harmonic generation

AU - Roppo, Vito

AU - Kalinowski, Ksawery

AU - Sheng, Yan

AU - Krolikowski, Wieslaw

AU - Cojocaru, Crina

AU - Trull, Jose

PY - 2013/11/4

Y1 - 2013/11/4

N2 - We discuss the effect of second harmonic generation via the Čerenkov-like process in nonlinear bulk media and waveguides. We show that in both schemes the Čerenkov harmonic emission represents in fact a nonlinear Bragg diffraction process. It is therefore possible, for the first time, to describe the bulk and waveguide Čerenkov emission uniformly by considering the spatial modulation of the second-order nonlinear polarization. This is also experimentally illustrated by studying the Čerenkov second harmonic generation at the boundary of a nonlinear quadratic medium via the total internal reflection inside the nonlinear crystal.

AB - We discuss the effect of second harmonic generation via the Čerenkov-like process in nonlinear bulk media and waveguides. We show that in both schemes the Čerenkov harmonic emission represents in fact a nonlinear Bragg diffraction process. It is therefore possible, for the first time, to describe the bulk and waveguide Čerenkov emission uniformly by considering the spatial modulation of the second-order nonlinear polarization. This is also experimentally illustrated by studying the Čerenkov second harmonic generation at the boundary of a nonlinear quadratic medium via the total internal reflection inside the nonlinear crystal.

UR - https://www.scopus.com/pages/publications/84887444659

U2 - 10.1364/OE.21.025715

DO - 10.1364/OE.21.025715

M3 - Article

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VL - 21

SP - 25715

EP - 25726

JO - Optics Express

JF - Optics Express

IS - 22

ER -

Unified approach to Čerenkov second harmonic generation

Abstract

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