scholarly journals Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

2014 ◽  
Vol E97.C (7) ◽  
pp. 736-743
Author(s):  
Kaori WARABI ◽  
Rai KOU ◽  
Shinichi TANABE ◽  
Tai TSUCHIZAWA ◽  
Satoru SUZUKI ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Single Layer ◽  
Polarization Dependence ◽  
Single Layer Graphene ◽  
Silicon Waveguide ◽  
Layer Graphene ◽  
Absorption Characteristics

Characterization of Optical Absorption and Polarization Dependence of Single-Layer Graphene Integrated on a Silicon Wire Waveguide

2013 ◽  
Vol 52 (6R) ◽  
pp. 060203 ◽  
Author(s):  
Rai Kou ◽  
Shinichi Tanabe ◽  
Tai Tsuchizawa ◽  
Kaori Warabi ◽  
Satoru Suzuki ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Single Layer ◽  
Polarization Dependence ◽  
Single Layer Graphene ◽  
Layer Graphene

Giant optical absorption and low dark current characteristics in wrinkled single layer graphene/bismuth nanorods heterostructures

Carbon ◽  
2018 ◽  
Vol 127 ◽  
pp. 596-601 ◽  
Author(s):  
Lichuan Jin ◽  
Yong Xiao ◽  
Dainan Zhang ◽  
Huaiwu Zhang ◽  
Xiaoli Tang ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Dark Current ◽  
Single Layer ◽  
Single Layer Graphene ◽  
Layer Graphene ◽  
Current Characteristics

Comparative study of electron transfer on various graphene-metallic contacts

2019 ◽  
Vol 33 (31) ◽  
pp. 1950384
Author(s):  
Di Lu ◽  
Yu-E Yang ◽  
Weichun Zhang ◽  
Caixia Wang ◽  
Jining Fang ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Single Layer ◽  
Annealing Treatment ◽  
Single Layer Graphene ◽  
Strain Effect ◽  
Graphene Surface ◽  
Layer Graphene ◽  
Metallic Contacts ◽  
Nonuniform Strain ◽  
Main Factor

We have investigated Raman spectra of the G and 2D lines of a single-layer graphene (SLG) with metallic contacts. The shift of the G and 2D lines is correlated to two different factors. Before performing annealing treatment or annealing under low temperature, the electron transfer on graphene surface is dominated by nonuniform strain effect. As the annealing treatment is enhanced, however, a suitable annealing treatment can eliminate the nonuniform strain effect where the relative work function (WF) between graphene and metal becomes a main factor to determine electronic transfer. Moreover, it is confirmed that the optimized annealing treatment can also decrease effectively the structural defect and induced disorder in graphene due to metallic contacts.

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