scholarly journals Amplification Properties of Femtosecond Laser-Written Er3+/Yb3+ Doped Waveguides in a Tellurium-Zinc Glass

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Massimo Olivero ◽  
Davinson Mariano da Silva ◽  
Luciana Reyes Pires Kassab ◽  
Anderson S. L. Gomes

We report on the fabrication and characterization of active waveguides in a TeO2-ZnO glass sample doped with Er3+/Yb3+ fabricated by direct laser writing with a femtosecond laser delivering 150 fs pulses at 1 kHz repetition rate. The waveguides exhibit an internal gain of 0.6 dB/cm at 1535 nm, thus demonstrating the feasibility of active photonics lightwave circuits and lossless components in such a glass composition.

2014 ◽  
Vol 23 (04) ◽  
pp. 1450048 ◽  
Author(s):  
Hongxin Zhang ◽  
Tianqing Jia ◽  
Kan Zhou ◽  
Jukun Liu ◽  
Donghai Feng ◽  
...  

In this paper, we report gold micro/nanostructures fabricated by a method called lithographically patterned nanostructure by chemical etching (LPNCE). In the LPNCE method, the photoresist layer, composed of pentaerythritol triacrylate (PETA, monomer) and isopropyl thioxanthone (ITX, photoinitiator), is dropped on gold film, and subsequently polymerized via two-photon absorption of 800 nm femtosecond laser. Micro/nanostructures are fabricated by the direct laser writing. The unpolymerized photoresist is washed by isopropanol, and the exposed gold is dissolved by KI 3 aqueous solution. Finally, polymers are removed by NaOH ethanol solution. Arbitrary 2D gold micro/nanostructures can be fabricated quickly by the direct laser writing and chemical etching method. The good electro-conductibility of these micro/nanostructures guarantees wide applications in micro-electronic devices, plasmonics and biosensors, etc.


2019 ◽  
Vol 13 ◽  
pp. 149-153
Author(s):  
Edy Yulianto ◽  
Subhashri Chatterjee ◽  
Vygantas Mizeikis

2013 ◽  
Vol 21 (22) ◽  
pp. 26244 ◽  
Author(s):  
Joachim Fischer ◽  
Jonathan B. Mueller ◽  
Johannes Kaschke ◽  
Thomas J. A. Wolf ◽  
Andreas-Neil Unterreiner ◽  
...  

2004 ◽  
Vol 85 (11) ◽  
pp. 1895-1897 ◽  
Author(s):  
Markus Deubel ◽  
Martin Wegener ◽  
Artan Kaso ◽  
Sajeev John

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