Details

Autor(en) / Beteiligte

• Minardi, S
• Cheng, G
• D'Amico, C
• Stoian, R

Titel

Low-power-threshold photonic saturable absorber in nonlinear chalcogenide glass

Ist Teil von

• Optics letters, 2015-01, Vol.40 (2), p.257-259

Ort / Verlag

United States: Optical Society of America - OSA Publishing

Erscheinungsjahr

2015

Quelle

OSA_美国光学学会数据库1

Beschreibungen/Notizen

• We experimentally demonstrate controllable nonlinear modulation of optical guiding in ultrafast laser-written evanescently coupled waveguide arrays in bulk gallium lanthanum sulfide chalcogenide glass. The intensity-dependent response is validated by simulating light propagation in waveguide arrays with instantaneous Kerr nonlinearity using a discrete-continuous spatiotemporal unidirectional Maxwell equation model. The intensity-driven modulation of transmission in multicore structures acts as a potential saturable absorber at kilowatt threshold levels.