Enhanced second-harmonic generation from two-dimensional MoSe<sub>2</sub> on a silicon waveguide

Haitao Chen; Vincent Corboliou; Alexander S Solntsev; Duk-Yong Choi; Maria A Vincenti; Domenico de Ceglia; Costantino de Angelis; Yuerui Lu; Dragomir N Neshev

doi:10.1038/lsa.2017.60

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Enhanced second-harmonic generation from two-dimensional MoSe₂ on a silicon waveguide

Original Articles

- Enhanced second-harmonic generation from two-dimensional MoSe₂ on a silicon waveguide
- Light: Science & Applications Vol. 6, Issue 4, (2017)
- Affiliations：
  
  1.Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, ACT 2601, Australia
  2.Institut d'Optique Graduate School, Université Paris-Sud, Palaiseau 91127, France
  3.Laser Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, ACT 2601, Australia
  4.National Research Council, Charles M. Bowden Laboratory, Redstone Arsenal, Valhermoso Springs, AL 35898-5000, USA
  5.Department of Information Engineering and INO CNR, University of Brescia, Via Branze 38, Brescia 25123, Italy
  6.Research School of Engineering, College of Engineering and Computer Science, Australian National University, Canberra, ACT 2601, Australia
- Author bio：
  
  DN Neshev, Email: Dragomir.Neshev@anu.edu.au
- Funds：
- DOI：10.1038/lsa.2017.60
  CLC：
- Published：2017-12，
  
  Published Online：31 March 2017，
  
  Received：05 January 2017，
  
  Revised：28 March 2017，
  
  Accepted：29 March 2017
- Accepted：
Scan QR Code
Chen, H. T. et al. Enhanced second-harmonic generation from two-dimensional MoSe₂ on a silicon waveguide. Light: Science & Applications, 6, e17060 (2017).
DOI：

Chen, H. T. et al. Enhanced second-harmonic generation from two-dimensional MoSe₂ on a silicon waveguide. Light: Science & Applications, 6, e17060 (2017). DOI： 10.1038/lsa.2017.60.

摘要

Abstract

Two-dimensional transition-metal dichalcogenides (TMDCs) with intrinsically broken crystal inversion symmetry and large second-order nonlinear responses have shown great promise for future nonlinear light sources. However

the sub-nanometer monolayer thic

kness of such materials limits the length of their nonlinear interaction with light. Here

we experimentally demonstrate the enhancement of the second-harmonic generation from monolayer MoSe

by its integration onto a 220-nm-thick silicon waveguide. Such on-chip integration allows for a marked increase in the interaction length between the MoSe

and the waveguide mode

further enabling phase matching of the nonlinear process. The demonstrated TMDC–silicon photonic hybrid integration opens the door to second-order nonlinear effects within the silicon photonic platform

including efficient frequency conversion

parametric amplification and the generation of entangled photon pairs.

关键词

Keywords

2D materialMoSe2SHGwaveguide

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Enhanced second-harmonic generation from two-dimensional MoSe2 on a silicon waveguide

DOI：10.1038/lsa.2017.60

摘要

Abstract

关键词

Keywords

references

Enhanced second-harmonic generation from two-dimensional MoSe₂ on a silicon waveguide