Browsing by Author "WELDON, VINCENT"
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Mode referencing of an external cavity diode laser for continuous frequency stabilization
WELDON, VINCENT; DONEGAN, JOHN (2008)The output of an external cavity diode laser (ECDL) is frequency stabilized to a water (H2O) vapor absorption line at 935 nm using wavelength modulation spectroscopy (WMS) by means of a dual-feedback locking loop. A novel ... -
Non-resonant wavelength modulation saturation spectroscopy in acetylene-filled hollow-core photonic bandgap fibres applied to modulationfree laser diode stabilisation
WELDON, VINCENT; DONEGAN, JOHN (2009)In this paper the application of Wavelength Modulation (WM) techniques to non-resonant saturation spectroscopy in acetylene-filled Hollow-Core Photonic Bandgap Fibres (HC-PBFs) and m odulation-free Laser Diode (LD) ... -
Single mode lasers based on slots suitable for photonic integration
DONEGAN, JOHN; WELDON, VINCENT; LU, QIAOYIN (2011)The re-growth free single mode lasers based on etched slots suitable for photonic integration are presented in this paper. The fabricated 650?m long laser exhibits a threshold current and a slope efficiency of about 32mA ...