High-speed fabrication of optical waveguides inside glasses using a high repetition-rate fiber CPA system

Matthias Will; Jonas Burghoff; Jens Limpert; Thomas Schreiber; Stefan Nolte; Andreas Tuennermann

doi:10.1117/12.537370

15 July 2004 High-speed fabrication of optical waveguides inside glasses using a high-repetition-rate fiber CPA system

Matthias Will, Jonas Burghoff, Jens Limpert, Thomas Schreiber, Stefan Nolte, Andreas Tuennermann

Proceedings Volume 5339, Photon Processing in Microelectronics and Photonics III; (2004) https://doi.org/10.1117/12.537370
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

Using femtosecond laser pulses it is possible to produce true three-dimensional photonic structures in different glasses and crystalline media. This direct writing process offers great flexibility, however, it has the drawback of a comparatively slow processing speed. In this presentation we will demonstrate a possibility to overcome this limitation. Based on a fiber based CPA system producing 300 fs pulses with pulse energies of up to 1 μJ and repetition rates in the MHz range we fabricated low loss waveguides (propagation losses 0.5 dB/cm) inside silicate glasses at high writing speeds up to 100 mm/s, limited only by the positioning system. The achieved refractive index changes are > 0.01. The influence of the processing parameters (writing speed, pulse energy) on the induced changes and the waveguiding properties will be discussed in detail.

Citation Download Citation

Matthias Will, Jonas Burghoff, Jens Limpert, Thomas Schreiber, Stefan Nolte, and Andreas Tuennermann "High-speed fabrication of optical waveguides inside glasses using a high-repetition-rate fiber CPA system", Proc. SPIE 5339, Photon Processing in Microelectronics and Photonics III, (15 July 2004); https://doi.org/10.1117/12.537370

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