Optical characterization of directly deposited graphene on a dielectric substrate

Tommi Kaplas, Lasse Karvonen, Sepehr Ahmadi, Babak Amirsolaimani, Soroush Mehravar, Nasser Peyghambarian, Khanh Kieu, Seppo Honkanen, Harri Lipsanen, Yuri Svirko

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


By using scanning multiphoton microscopy we compare the nonlinear optical properties of the directly deposited and transferred to the dielectric substrate graphene. The direct deposition of graphene on oxidized silicon wafer was done by utilizing sacrificial copper catalyst film. We demonstrate that the directly deposited graphene and bi-layered transferred graphene produce comparable third harmonic signals and have almost the same damage thresholds. Therefore, we believe directly deposited graphene is suitable for the use of e.g. nanofabricated optical setups.

Original languageEnglish (US)
Pages (from-to)2965-2970
Number of pages6
JournalOptics Express
Issue number3
StatePublished - Feb 8 2016

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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