Phase-matched second harmonic generation with on-chip GaN-on-Si microdisks.
We demonstrate phase-matched second harmonic generation in gallium nitride on silicon microdisks. The microdisks are integrated with side-coupling bus waveguides in a two-dimensional photonic circuit. The second harmonic generation is excited with a continuous wave laser in the telecom band. By fabricating a series of microdisks with diameters varying by steps of 8 nm, we obtain a tuning of the whispering gallery mode resonances for the fundamental and harmonic waves. Phase matching is obtained when both resonances are matched with modes satisfying the conservation of orbital momentum, which leads to a pronounced enhancement of frequency conversion.
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
I
I
Roland
CRHEA-CNRS, Rue Bernard Grégory, F-06560 Valbonne, France.
M
M
Gromovyi
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
Y
Y
Zeng
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
M
M
El Kurdi
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
S
S
Sauvage
Laboratoire Charles Coulomb (L2C), UMR 5221, CNRS-Université de Montpellier, F-34905 Montpellier, France.
C
C
Brimont
Laboratoire Charles Coulomb (L2C), UMR 5221, CNRS-Université de Montpellier, F-34905 Montpellier, France.
T
T
Guillet
Univ. Grenoble Alpes, F-38000 Grenoble, France.|CEA, INAC-PHELIQS, Nanophysique et semiconducteurs group, F-38000 Grenoble, France.
B
B
Gayral
CRHEA-CNRS, Rue Bernard Grégory, F-06560 Valbonne, France.
F
F
Semond
CRHEA-CNRS, Rue Bernard Grégory, F-06560 Valbonne, France.
J Y
JY
Duboz
Laboratoire de Physique de la Matière Condensée, UMR CNRS 7336, Université de Nice-Sophia Antipolis, 06108 Nice, France.
M
M
de Micheli
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
X
X
Checoury
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Université Paris-Saclay, Bâtiment 220, Rue André Ampère, F-91405 Orsay, France.
P
P
Boucaud
Opt Express. 2014 Dec 15;22(25):30924-33
25607041
Opt Lett. 2014 May 15;39(10):3062-5
24978274
Opt Express. 2011 May 23;19(11):10462-70
21643301
Opt Lett. 2011 Jun 15;36(12):2203-5
21685967
Opt Lett. 2013 Jun 15;38(12):2119-21
23938996
Phys Rev Lett. 2010 Apr 16;104(15):153901
20481990
Opt Express. 2014 Jan 13;22(1):557-62
24515016
Sci Rep. 2016 Feb 18;6:21650
26887701
Opt Express. 2011 Aug 29;19(18):16898-918
21935051
J Biomed Opt. 2001 Oct;6(4):480-4
11806348
Opt Lett. 2002 Apr 15;27(8):628-30
18007884
Opt Express. 2011 Jun 6;19(12):11415-21
21716372
Opt Lett. 2012 May 1;37(9):1586-8
22555746
Opt Express. 2016 May 2;24(9):9602-10
27137573
Opt Express. 2012 Mar 26;20(7):7526-43
22453432
Opt Express. 2009 May 25;17(11):9241-51
19466175
Opt Lett. 2012 Nov 15;37(22):4588-90
23164847
Nano Lett. 2012 Jul 11;12(7):3562-8
22663299
Opt Express. 2007 Jun 11;15(12):7303-18
19547054
Nat Commun. 2014;5:3109
24434576