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T:sapphire channel waveguide lasers produced by femtosecond and picosecond laser writing

T:sapphire channel waveguide lasers produced by femtosecond and picosecond laser writing
T:sapphire channel waveguide lasers produced by femtosecond and picosecond laser writing
Ultra-short pulse laser writing is a widely adopted method for rapid prototyping of channel waveguide lasers and amplifiers in the bulk of different types of transparent glasses, crystals and ceramic materials [1, 2]. The writing process in laser crystals relies on engineering either depressed-cladding structures or two parallel tracks to confine the mode in the spacing in-between, by stress-induced increases in the refractive index. Ti:sapphire (a-Al2O3:Ti3+) with its broad emission bandwidth (650-1100 nm) is a benchmark solid-state gain medium for ultrashort laser pulse generation and broadly tuneable lasers. Here, we report on the continuous wave (cw) laser operation of Ti:sapphire channel waveguides fabricated by fs- and picosecond (ps) laser writing.
Grivas, C.
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Corbari, C.
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Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf
Grivas, C.
7f564818-0ac0-4127-82a7-22e87ac35f1a
Corbari, C.
273904e8-5f90-4110-bc17-3d3f2c27d461
Brambilla, G.
815d9712-62c7-47d1-8860-9451a363a6c8
Lagoudakis, P.G.
ea50c228-f006-4edf-8459-60015d961bbf

Grivas, C., Corbari, C., Brambilla, G. and Lagoudakis, P.G. (2012) T:sapphire channel waveguide lasers produced by femtosecond and picosecond laser writing. 5th EPS-QEOD Europhoton '12, Sweden. 26 - 31 Aug 2012. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Ultra-short pulse laser writing is a widely adopted method for rapid prototyping of channel waveguide lasers and amplifiers in the bulk of different types of transparent glasses, crystals and ceramic materials [1, 2]. The writing process in laser crystals relies on engineering either depressed-cladding structures or two parallel tracks to confine the mode in the spacing in-between, by stress-induced increases in the refractive index. Ti:sapphire (a-Al2O3:Ti3+) with its broad emission bandwidth (650-1100 nm) is a benchmark solid-state gain medium for ultrashort laser pulse generation and broadly tuneable lasers. Here, we report on the continuous wave (cw) laser operation of Ti:sapphire channel waveguides fabricated by fs- and picosecond (ps) laser writing.

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More information

e-pub ahead of print date: August 2012
Additional Information: FrB.3
Venue - Dates: 5th EPS-QEOD Europhoton '12, Sweden, 2012-08-26 - 2012-08-31
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 368426
URI: http://eprints.soton.ac.uk/id/eprint/368426
PURE UUID: 30275701-3f10-4ca4-a2bd-7eea2623eb18

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Date deposited: 18 Sep 2014 09:34
Last modified: 10 Apr 2020 16:37

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