Details
All-Optical Noninvasive Delayed Feedback Control of Semiconductor Lasers
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53,49 € |
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| Verlag: | Spektrum Akademischer Verlag bei Elsevier |
| Format: | |
| Veröffentl.: | 15.03.2013 |
| ISBN/EAN: | 9783658015404 |
| Sprache: | englisch |
| Anzahl Seiten: | 118 |
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Beschreibungen
The stabilization of unstable states hidden in the dynamics of a system, in particular the control of chaos, received much attention in the last years. In this work, a well-known control method called delayed feedback control is applied for the first time entirely in the all-optical domain. A multisection semiconductor laser receives optical feedback from an external Fabry-Perot interferometer. The control signal is a phase-tunable superposition of the laser signal, and provokes the laser to operate in an otherwise unstable periodic state with a period equal to the time delay. The control is noninvasive, because the reflected signal tends to zero when the target state is reached.
All-Optical Control Setup.- Stable States with Resonant Fabry-Perot Feedback.- Control of an Unstable Stationary State.- Control of Unstable Self-Pulsations.- Controlling Chaos.- Control of a Torsionfree Orbit.
<p>Dr. Sylvia Schikora completed her doctoral thesis on ultrafast noninvasive control of semiconductor lasers at the Department of Physics, Humboldt University of Berlin. She currently works at Humboldt University as a postdoctoral researcher with a focus on optical metrology.</p>
<p>The stabilization of unstable states hidden in the dynamics of a system, in particular the control of chaos, has received much attention in the last years. Sylvia Schikora for the first time applies a well-known control method called delayed feedback control entirely in the all-optical domain. A multisection semiconductor laser receives optical feedback from an external Fabry-Perot interferometer. The control signal is a phase-tunable superposition of the laser signal and provokes the laser to operate in an otherwise unstable periodic state with a period equal to the time delay. The control is noninvasive, because the reflected signal tends to zero when the target state is reached.</p><p> </p><p>The work has been awarded the Carl-Ramsauer-Prize 2012.</p><p> </p><b><br></b><p><b>Contents</b></p><p>· All-Optical Control Setup</p><p>· Stable States with Resonant Fabry-Perot Feedback</p><p>· Control of an Unstable Stationary State and of Unstable Selfpulsations</p><p>· Controlling Chaos</p><p>· Control of a Torsionfree Orbit</p><p><b> </b></p><p><b>Target Groups</b></p><p><b> </b></p><p>· Researchers and students of nonlinear dynamics or semiconductor laser technology, interested in the application of control synchronization in the GHz range </p><p>· Practitioners in the field of optical telecommunication</p><p> </p><p> </p><p><b>The author</b></p><p>Dr. Sylvia Schikora completed her doctoral thesis on ultrafast noninvasive control of semiconductor lasers at the Department of Physics, Humboldt University of Berlin. She currently works at Humboldt University as a postdoctoral researcher with a focus on optical metrology.</p>
Publication in the field of natural sciences
<p>The stabilization of unstable states hidden in the dynamics of a system, in particular the control of chaos, has received much attention in the last years. Sylvia Schikora for the first time applies a well-known control method called delayed feedback control entirely in the all-optical domain. A multisection semiconductor laser receives optical feedback from an external Fabry-Perot interferometer. The control signal is a phase-tunable superposition of the laser signal and provokes the laser to operate in an otherwise unstable periodic state with a period equal to the time delay. The control is noninvasive, because the reflected signal tends to zero when the target state is reached.</p>
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