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- Tyndall National InstituteIE88 papers
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4 papers · 2 filters
TeraHz tuning of whispering gallery modes in a PDMS, stand-alone, stretchable microsphere
Ramgopal Madugani, Yong Yang, Jonathan M Ward +7
We report on tuning the optical whispering gallery modes in a poly dimethyl siloxane-based (PDMS) microsphere resonator by more than a THz. The PDMS microsphere system consists of…
Wavelength switching dynamics of two-colour semiconductor lasers with optical injection and feedback
Simon Osborne, Patrycja Heinricht, Nicola Brandonisio +2
The wavelength switching dynamics of two-colour semiconductor lasers with optical injection and feedback are presented. These devices incorporate slotted regions etched into the la…
Thermo-Optical Tuning of Whispering Gallery Modes in Er:Yb Doped Glass Microspheres to Arbitrary Probe Wavelengths
Amy Watkins, Jonathan Ward, Síle Nic Chormaic
We present experimental results on an all-optical, thermally-assisted technique for broad range tuning of microsphere cavity resonance modes to arbitrary probe wavelengths. An Er:Y…
Bistability and all-optical memory in dual-mode diode lasers with time-delayed optical feedback
N. Brandonisio, P. Heinricht, S. Osborne +2
A proposal for an all-optical memory based on a bistability of single-mode states in a dual-mode diode laser with time-delayed optical feedback is presented. The system is modeled…