Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene

Daohong Song; Sheng Liu; Vassilis Paltoglou; Daniel Gallardo; Liqin Tang; Jingjun Xu; Nikolaos K. Efremidis; Zhigang Chen

doi:10.1364/CLEO_QELS.2015.FTh3D.6

Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene

Daohong Song, Sheng Liu, Vassilis Paltoglou, Daniel Gallardo, Liqin Tang, Jingjun Xu, Nikolaos K. Efremidis, Zhigang Chen

School of Physical Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We demonstrate asymmetric conical diffraction accompanied by pseudospin-mediated non-integer phase singularities when two sublattices of photonic graphene are equally excited near the Dirac points. Experimental and numerical results agree with analysis of the Dirac equation.

Original language	English
Title of host publication	CLEO
Subtitle of host publication	QELS - Fundamental Science, CLEO_QELS 2015
Publisher	Optical Society of America
Pages	1551p
ISBN (Electronic)	9781557529688
DOIs	https://doi.org/10.1364/CLEO_QELS.2015.FTh3D.6
State	Published - 4 May 2015
Event	CLEO: QELS - Fundamental Science, CLEO_QELS 2015 - San Jose, United States Duration: 10 May 2015 → 15 May 2015

Publication series

Name	CLEO: QELS - Fundamental Science, CLEO_QELS 2015

Conference

Conference	CLEO: QELS - Fundamental Science, CLEO_QELS 2015
Country/Territory	United States
City	San Jose
Period	10/05/15 → 15/05/15

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10.1364/CLEO_QELS.2015.FTh3D.6

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Song, D., Liu, S., Paltoglou, V., Gallardo, D., Tang, L., Xu, J., Efremidis, N. K., & Chen, Z. (2015). Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene. In CLEO: QELS - Fundamental Science, CLEO_QELS 2015 (pp. 1551p). (CLEO: QELS - Fundamental Science, CLEO_QELS 2015). Optical Society of America. https://doi.org/10.1364/CLEO_QELS.2015.FTh3D.6

@inproceedings{094b40ce9d2d40aab252d99c13cf963d,

title = "Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene",

abstract = "We demonstrate asymmetric conical diffraction accompanied by pseudospin-mediated non-integer phase singularities when two sublattices of photonic graphene are equally excited near the Dirac points. Experimental and numerical results agree with analysis of the Dirac equation.",

author = "Daohong Song and Sheng Liu and Vassilis Paltoglou and Daniel Gallardo and Liqin Tang and Jingjun Xu and Efremidis, {Nikolaos K.} and Zhigang Chen",

year = "2015",

month = may,

day = "4",

doi = "10.1364/CLEO_QELS.2015.FTh3D.6",

language = "英语",

series = "CLEO: QELS - Fundamental Science, CLEO_QELS 2015",

publisher = "Optical Society of America",

pages = "1551p",

booktitle = "CLEO",

note = "CLEO: QELS - Fundamental Science, CLEO_QELS 2015 ; Conference date: 10-05-2015 Through 15-05-2015",

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Song, D, Liu, S, Paltoglou, V, Gallardo, D, Tang, L, Xu, J, Efremidis, NK & Chen, Z 2015, Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene. in CLEO: QELS - Fundamental Science, CLEO_QELS 2015. CLEO: QELS - Fundamental Science, CLEO_QELS 2015, Optical Society of America, pp. 1551p, CLEO: QELS - Fundamental Science, CLEO_QELS 2015, San Jose, United States, 10/05/15. https://doi.org/10.1364/CLEO_QELS.2015.FTh3D.6

Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene. / Song, Daohong; Liu, Sheng; Paltoglou, Vassilis et al.
CLEO: QELS - Fundamental Science, CLEO_QELS 2015. Optical Society of America, 2015. p. 1551p (CLEO: QELS - Fundamental Science, CLEO_QELS 2015).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene

AU - Song, Daohong

AU - Liu, Sheng

AU - Paltoglou, Vassilis

AU - Gallardo, Daniel

AU - Tang, Liqin

AU - Xu, Jingjun

AU - Efremidis, Nikolaos K.

AU - Chen, Zhigang

PY - 2015/5/4

Y1 - 2015/5/4

N2 - We demonstrate asymmetric conical diffraction accompanied by pseudospin-mediated non-integer phase singularities when two sublattices of photonic graphene are equally excited near the Dirac points. Experimental and numerical results agree with analysis of the Dirac equation.

AB - We demonstrate asymmetric conical diffraction accompanied by pseudospin-mediated non-integer phase singularities when two sublattices of photonic graphene are equally excited near the Dirac points. Experimental and numerical results agree with analysis of the Dirac equation.

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DO - 10.1364/CLEO_QELS.2015.FTh3D.6

M3 - 会议稿件

AN - SCOPUS:84935056165

T3 - CLEO: QELS - Fundamental Science, CLEO_QELS 2015

SP - 1551p

BT - CLEO

PB - Optical Society of America

T2 - CLEO: QELS - Fundamental Science, CLEO_QELS 2015

Y2 - 10 May 2015 through 15 May 2015

ER -

Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene

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