Simultaneous spatial and temporal focusing of femtosecond laser pulses for directly writing optical waveguides in Pr3+ doped ZBLAN glass

Y. Yamanaka; Kenichi Hirosawa; F. Kannari

doi:10.1364/up.2014.10.thu.c.4

Simultaneous spatial and temporal focusing of femtosecond laser pulses for directly writing optical waveguides in Pr³⁺ doped ZBLAN glass

Y. Yamanaka, Kenichi Hirosawa, F. Kannari

Department of Electronics and Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We present characteristics of optical waveguides fabricated in Pr³⁺ doped ZrF₄-BaF₂- LaF₃-AlF₃-NaF (Pr:ZBLAN) glass using simultaneous spatial and temporal focusing (SSTF) of femtosecond laser pulses. Thanks to SSTF, the axial two-photon excitation length is confined to ~20 μm. A primitive example of waveguide shows an NA of ~0.015 and a propagation loss of 0.56dB/cm.

Original language	English
Title of host publication	19th International Conference on Ultrafast Phenomena, UP 2014
Publisher	Optical Society of America (OSA)
ISBN (Print)	1557522790, 1557522790, 9781557522795, 9781557522795
DOIs	https://doi.org/10.1364/up.2014.10.thu.c.4
Publication status	Published - 2014
Event	19th International Conference on Ultrafast Phenomena, UP 2014 - Okinawa, Japan Duration: 2014 Jul 7 → 2014 Jul 11

Publication series

Name	Optics InfoBase Conference Papers
ISSN (Electronic)	2162-2701

Other

Other	19th International Conference on Ultrafast Phenomena, UP 2014
Country/Territory	Japan
City	Okinawa
Period	14/7/7 → 14/7/11

ASJC Scopus subject areas

Instrumentation
Atomic and Molecular Physics, and Optics

Access to Document

10.1364/up.2014.10.thu.c.4

Cite this

Simultaneous spatial and temporal focusing of femtosecond laser pulses for directly writing optical waveguides in Pr³⁺ doped ZBLAN glass. / Yamanaka, Y.; Hirosawa, Kenichi; Kannari, F.
19th International Conference on Ultrafast Phenomena, UP 2014. Optical Society of America (OSA), 2014. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yamanaka, Y, Hirosawa, K & Kannari, F 2014, Simultaneous spatial and temporal focusing of femtosecond laser pulses for directly writing optical waveguides in Pr³⁺ doped ZBLAN glass. in 19th International Conference on Ultrafast Phenomena, UP 2014. Optics InfoBase Conference Papers, Optical Society of America (OSA), 19th International Conference on Ultrafast Phenomena, UP 2014, Okinawa, Japan, 14/7/7. https://doi.org/10.1364/up.2014.10.thu.c.4

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abstract = "We present characteristics of optical waveguides fabricated in Pr3+ doped ZrF4-BaF2- LaF3-AlF3-NaF (Pr:ZBLAN) glass using simultaneous spatial and temporal focusing (SSTF) of femtosecond laser pulses. Thanks to SSTF, the axial two-photon excitation length is confined to ~20 μm. A primitive example of waveguide shows an NA of ~0.015 and a propagation loss of 0.56dB/cm.",

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AB - We present characteristics of optical waveguides fabricated in Pr3+ doped ZrF4-BaF2- LaF3-AlF3-NaF (Pr:ZBLAN) glass using simultaneous spatial and temporal focusing (SSTF) of femtosecond laser pulses. Thanks to SSTF, the axial two-photon excitation length is confined to ~20 μm. A primitive example of waveguide shows an NA of ~0.015 and a propagation loss of 0.56dB/cm.

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