[Physstaff] Reminder: Colloquium 3pm 16/11/2016 "Temporal Localized Structures and Light Bullets in Passively Mode-Locked Lasers" Julian Javaloyes (Universitat de les Illes Baleares)

[Daniel Oi]

A reminder of today's colloquium at 3pm.

From: Daniel Oi
Sent: 11 November 2016 17:00
To: physstaff at phys.strath.ac.uk
Cc: Sonja Franke-Arnold <Sonja.Franke-Arnold at glasgow.ac.uk> (Sonja.Franke-Arnold at glasgow.ac.uk) <Sonja.Franke-Arnold at glasgow.ac.uk>
Subject: Colloquium: 3pm 16/11/2016 "Temporal Localized Structures and Light Bullets in Passively Mode-Locked Lasers" Julian Javaloyes (Universitat de les Illes Baleares)

Next week's John Anderson Colloquium will be presented by Julian Javaloyes. Tea/Coffee will be served afterwards as usual.

Title: Temporal Localized Structures and Light Bullets in Passively Mode-Locked Lasers
Speaker: J. Javaloyes, Departament de Fisica, Universitat de les Illes Baleares, Mallorca, Spain
Venue: John Anderson JA3.14
Time/Date: 3pm Wednesday 16th November 2016

Abstract:
Localized structures (LS) are nonlinear states of dissipative extended systems characterized by a correlation range much shorter than the size of the system, thus allowing for individual addressing. They appear ubiquitously in nature and they are very appealing in optical systems for applications to information processing, especially in semiconductor lasers which are fast, scalable and cheap devices.

We present experimental and theoretical evidences [1] regarding how the mode-locked pulses in the output intensity of a laser coupled to a saturable absorber transform into temporal lasing LS, allowing for individual addressing and arbitrary low repetition rates. These results form the basis of the recent prediction [2] of three dimensional light bullets in a similar experimental configuration. These results would pave an experimental path toward full spatio-temporal localization, which has been so far elusive in nonlinear science.

[1] Marconi, Mathias, et al. "How lasing localized structures evolve out of passive mode locking." Physical review letters 112.22 (2014): 223901.
[2] Javaloyes, J. "Cavity light bullets in passively mode-locked semiconductor lasers." Physical review letters 116.4 (2016): 043901.
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