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Date: 2016
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/1198135
Description: Tightly focused femtosecond laser pulses can be used to alter the refractive index of virtually all optical glasses. As the laser-induced modification is spatially limited to the focal volume of the w ... More
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Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1062168
Description: We demonstrate the increasing applicability of compact ultra-fast laser inscribed glass guided-wave lasers and report the highest-power glass waveguide laser with over 1.1 W of output power in monolit ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1057329
Description: The fabrication of arrayed waveguide gratings (AWGs) using the femtosecond laser direct-write technique is investigated. We successfully demonstrate the fabrication of large planar waveguides that act ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1066346
Description: Since the discovery that tightly focused femtosecond laser pulses can induce a highly localised and permanent refractive index modification in a large number of transparent dielectrics, the technique ... More
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Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/333224
Description: We consider the process of Faraday rotation in femtosecond laser direct-write waveguides. The birefringence commonly associated with such waveguides may be expected to impact the observable Faraday ro ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/327020
Description: Over the last couple of years there has been increased interest in single-mode spectrographs, such as bulk optics-based single mode spectro- graphs and integrated photonic spectrographs. Such instrume ... More
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/308622
Description: By tightly focussing a femtosecond laser beam inside the bulk of a transparent dielectric, a highly localised and permanent change of the material's refractive index can be induced. This provides the ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/308229
Description: We report a passively Q-switched 1.9 μm thulium ZBLAN waveguide laser based on an extended cavity containing a flake-graphene saturable absorber film. The 790nm diode-laserpumped laser produces up to ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/328196
Description: The challenges encountered by 3D laser written integrated photonics are both cultural and technical in nature. In this talk we will comment on the former, review the latter and highlight new 3D enable ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/321371
Description: We report widely tunable (≈260 nm) Tm³⁺ and Ho³⁺ doped fluorozirconate (ZBLAN) glass waveguide extended cavity lasers with close to diffraction limited beam quality (M²≈1.3). The waveguides are based ... More
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Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/283642
Description: We report a study of ultrafast laser waveguide inscription in two magneto-optical glasses. Two types of femtosecond laser systems operating in kHz and MHz repetition rate regimes are used for waveguid ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/285073
Description: A photonic bandgap is a property of some 2D and 3D periodic dielectric structures, where light of certain frequencies is forbidden to propagate. In the form of an optical fibre, such bandgaps can be c ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/285140
Description: Waveguide lasers offer efficient and stable laser operation and their inherent properties enable low-loss fiber coupling. Hence they are promising radiation sources for on-chip integration in photonic ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/285161
Description: We present a novel way to fabricate low bend loss femtosecond-laser written optical waveguides [1] via a two-step process: We first fabricate large-diameter waveguides which are multimode at 1550 nm a ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/278194
Description: Since the discovery, that a tightly focused femtosecond laser beam can induce a highly localized and permanent refractive index change in a wide range of dielectrics, ultrafast laser inscription has f ... More
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Reviewed: Reviewed