Research Institute. CIP-DATA LIBRARY TECHNISCHE UNIVERSITEIT EINDHOVEN (2008)
Yong Liu, Prof. Dr. D. Lenstra, Liu Yong
ter verkrijging van de graad van doctor aan de
Multi-state Optical Flip-flop Memory Based on Cascaded Lasers (2008)
S. Zhang, D. Owens, Y. Liu, M. T. Hill, D. Lenstra, G. D. Khoe, ...
A multi-state optical flip-flop memory based on cascaded lasers is presented. We show that only one of the lasers can lase at a time, thus the state of the optical memory is determined by the...
Bifurcation analysis of a spatially extended laser with optical feedback (2008)
Green, K, Krauskopf, B, Marten, FB, Lenstra, D
Vertical cavity surface emitting lasers (VCSELs) are a new type of semiconductor laser, characterized by the spatial extent of their disk-shaped output apertures. As a result, a VCSEL supports...
Self-Pulsating Semiconductor Lasers: Theory and Experiment (2007)
C. R. Mirasso, E. Hernández-García, D. Lenstra, S. Lynch, P. Landais, ...
We report detailed measurements of the pump--current dependency of the self-pulsating frequency of semiconductor CD lasers. A distinct kink in this dependence is found and explained using...
Erzgraber, H, Lenstra, D, Krauskopf, B, Fischer, APA, Vemuri, G
We investigate experimentally and theoretically the dynamics of a semiconductor laser subject to filtered optical feedback. Depending on the feedback strength we find dynamical regimes with different...
External cavity mode structure of a two-mode VCSEL subject to optical feedback (2007)
Green, K, Krauskopf, B, Lenstra, D
Preprint submitted to Elsevier Science
Mode structure of a vertical-cavity surface-emitting laser subject to optical feedback (2006)
Green, K, Krauskopf, B, Lenstra, D
We present an analysis of the external cavity mode (ECM) structure of a vertical-cavity surface-emitting laser subject to optical feedback. We consider a model in which two transverse optical modes...
Feedback phase sensitivity of a semiconductor laser subject to filtered optical feedback (2006)
Erzgraber, H, Krauskopf, B, Lenstra, D, Fischer, APA, Vemuri, G
Filtered optical feedback (FOF) can be used to stabilize a semiconductor laser but also to generate chaotic laser emission that may find applications in chaos communication schemes. We study...
Bifurcation analysis of a semiconductor laser with filtered optical feedback (2006)
Erzgraber, H, Krauskopf, B, Lenstra, D
We study the dynamics and bifurcations of a semiconductor laser with delayed filtered feedback, where a part of the output of the laser re-enters after spectral filtering. This type of coherent...
Stability of locking in mutually delay-coupled semiconductor lasers (2006)
Erzgraber, H, Lenstra, D, Krauskopf, B
Preprint of a paper to be presented at Photonics Europe 2006, 3-7 April 2006, Strasbourg, France. Conference organised by SPIE Europe.
Dynamics of semiconductor lasers with filtered optical feedback (2006)
Krauskopf, B, Erzgraber, H, Lenstra, D
Preprint of a paper to be presented at Photonics Europe 2006, 3-7 April 2006, Strasbourg, France. Conference organised by SPIE Europe.
Influence of current noise on the relaxation oscillation dynamics of semiconductor lasers (2006)
Soriano, MC, Yousefi, M, Peeters, M, Danckaert, J, Verschaffelt, G, ...
We find experimentally that the relaxation oscillation peak in the relative intensity noise spectrum of a semiconductor laser has a higher damping and lower frequency when we add low frequency noise...
Plasmon-assisted two-slit transmission: young's experiment revisited (2005)
Schouten, H.F., Kuzmin, N., Dubois, G., Visser, T.D., Gbur, G., Alkemade, P.F.A., ...
Tunable integrated pulse shaping devices (2005)
Heck, MJR, Munoz, P, Bente, EAJM, Barbarin, Y, Oei, YS, Nötzel, R, ...
Mode structure of delay-coupled semiconductor lasers : influence of the pump current (2005)
Erzgräber, H, Krauskopf, B, Lenstra, D
Preprint of a paper later published by IOP Publishing (2005), Journal of Optics B, 7(11), pp.361-371, ISSN 1464-4266
Pure frequency oscillations of semiconductor lasers with filtered optical feedback (2005)
Erzgräber, H, Lenstra, D, Krauskopf, B
A semiconductor laser subject to delayed filtered optical feedback can show pure frequency oscillations with a period of the order to the delay time, while the power remains practically constant....
Erzgräber, H, Krauskopf, B, Lenstra, D, Fischer, APA, Vemuri, G
We investigate the dynamics of a semiconductor laser subject to coherent, delayed filtered optical feedback. This system produces multi-stable continuous wave, relaxation and pure frequency...
Multi-state Optical Memory Based on Serially Interconnected Lasers (2005)
S. Zhang, Zhang Owens Liu, Y. Liu, M. T. Hill, D. Lenstra, A. Tzanakaki, ...
A five-state optical flip-flop memory based on serially interconnected lasers is experimentally demonstrated. The contrast ratio between different states is over 30 dB. More state operation can be...
All-Optical Logic Gates Using a Semiconductor Optical Amplifier Assisted by an Optical Filter (2005)
Z. Li, Y. Liu, S. Zhang, H. Ju, H. De Waardt, G.D. Khoe, ...
A simple all-optical logic device, composed of an SOA and an optical filter, is proposed. By utilizing optical filtering, multi-logic functions (AND, OR and XOR) are demonstrated at 10 Gb/s using the...
All-Optical Logic Gates Based on an SOA and an Optical Filter (2005)
Li Liu Zhang, Z. Li, Y. Liu, S. Zhang, H. Ju, H. De Waardt, ...
A novel all-optical logic device, composed of an SOA and an optical filter, is demonstrated for AND, OR and XOR gates at 10 Gb/s. Simulation indicates the device can operate at much higher bit rate.
Simulation of Mode-Locking by Nonlinear (2005)
Polarization Rotation In, Z. Li, X. Yang, E. Tangdiongga, H. Ju, ...
We present a theoretical investigation of a mode locked laser that has a semiconductor optical amplifier (SOA) in its ring cavity. A mode-locked train of narrow pulses is obtained by combining...
Connection between phase singularities and the radiation pattern of a slit in a metal plate (2004)
Schouten, H.F., Visser, T.D., Gbur, G., Lenstra, D., Blok, H.
Mutually delay-coupled semiconductor lasers: mode bifurcation scenarios (2004)
Erzgraber, H, Lenstra, D, Krauskopf, B, Wille, E, Peil, M, Fischer, I, ...
Preprint submitted to Elsevier Science
Dynamical properties of mutually delayed coupled semiconductor lasers (2004)
Erzgraber, H, Lenstra, D, Krauskopf, B, Fischer, I
We theoretically investigate the dynamical properties of a system of two semiconductor lasers (SLs) that are mutually coupled via their optical fields. An intrinsic feature of the coupling is its...
Compound laser modes of mutually delay-coupled lasers (2004)
Erzgraber, H, Lenstra, D, Krauskopf, B
We consider a model of two mutually delay-coupled semiconductor lasers in a face to face configuration. The lasers are coherently coupled via their optical fields, where the time delay arises from...
Erzgraber, H, Krauskopf, B, Lenstra, D
A system of two mutually delay-coupled semiconductor lasers with a small delay of 170 ps in the coupling is studied. Apart from a possible difference in their optical frequencies, we consider two...
Bifurcation analysis of coupled laser modes in mutually delay coupled lasers (2004)
Krauskopf, B, Erzgräber, H, Lenstra, D
This paper considers a system of two semiconductor lasers that are mutually coupled face to face, so that they receive each other's light after a fixed delay time. The lasers are assumed to be...
Dynamics and bifurcations of a semiconductor laser with short external cavity (2004)
Krauskopf, B, Green, K, Erzgräber, H, Lenstra, D
We present a theoretical study into the dynamics and bifurcations of a semiconductor laser subject to delayed optical feedback, as modelled by the Lang-Kobayashi equations. For the case of a short...
The diffraction of light by narrow slits in plates of different materials (2004)
Schouten, H.F., Visser, T.D., Gbur, G., Lenstra, D., Blok, H.
Sub-Picosecond All-Optical Switch Using a (2004)
X. Yang, A. K. Mishra, D. Lenstra, F. M. Huijskens, H. De Waardt, ...
We investigate an all-optical switch that is operated by the nonlinear phase-shift introduced by optical pulses with duration of 200 fs in a semiconductor optical amplifier (SOAs). The gate is made...
Optical shift register based on an optical flip-flop with a single active element (2004)
S. Zhang, Z. Li, Y. Liu, R. Geldenhuys, H. Ju, D. Lenstra, ...
Abstract We present an optical shift register consisting of two serially connected optical flip-flop memories. The concept is demonstrated experimentally using fiber pig-tailed components.
Understanding the twin stripe diode lasers: a multimode perspective (2003)
Barsella, Alberto, YOUSEFI, M, MCMURTRY, S, Morthier, Geert, LENSTRA, D, VILCOT, J, ...
Understanding the twin stripe diode laser: A multimode perspective (2003)
Barsella, Alberto, YOUSEFI, M, MCMURTRY, S, Morthier, Geert, LENSTRA, D, VILCOT, J, ...
Multi-longitudinal mode rate equation model for diode lasers. (2003)
YOUSEFI, M, Barsella, Alberto, LENSTRA, D, Morthier, Geert, Baets, Roel, MCMURTRY, S, ...
Three-State All-Optical Memory Based on Coupled Polarization Switches (2003)
Y. Liu, M. T. Hill, D. Lenstra, N. Calabretta, H. De Waardt, G. D. Khoe, ...
We present a three-state all-optical memory that is based on coupled polarization switches. It is demonstrated experimentally that a contrast ratio > 20 dB between output states of the memory can...
Ultrafast Refractive-Index Dynamics in a Multiquantum-Well Semiconductor Optical Amplifier (2003)
X. Yang, D. Lenstra, H. De Waardt, G. D. Khoe, T. Simoyama, ...
We investigate ultrafast refractive index dynamics in a multiquantum-well InGaAsP--InGaAs semiconductor optical amplifier that is operated in the gain regime by using a pump-andprobe approach. The...
Entangled Photons from Small Quantum Dots (2002)
Visser, P. M., Allaart, K., Lenstra, D.
We discuss level schemes of small quantum-dot turnstiles and their applicability in the production of entanglement in two-photon emission. Due to the large energy splitting of the single-electron...
Bound Modes in Dielectric Microcavities (2002)
Visser, P. M., Allaart, K., Lenstra, D.
We demonstrate how exactly bound cavity modes can be realized in dielectric structures other than 3d photonic crystals. For a microcavity consisting of crossed anisotropic layers, we derive the...
Wieczorek, Sebastian, Simpson, TB, Krauskopf, B, Lenstra, D
In this paper unprecedented agreement is reported between a theoretical two-dimensional bifurcation diagram and the corresponding experimental stability map of an optically injected semiconductor...
Bifurcation transitions in an optically injected diode laser : theory and experiment (2002)
Wieczorek, Sebastian, Simpson, TB, Krauskopf, B, Lenstra, D
Preprint of a paper later published by Elsevier Science (2003), Optics Communications, 215(1-3), pp.125-134, ISSN 0030-4018
Multipulse excitability in injected lasers (2002)
Krauskopf, B, Wieczorek, Sebastian, Lenstra, D
We show that a single-mode semiconductor laser subject to optical injection, and described by rate equations, can produce excitable multipulses, where the laser emits a certain number of pulses after...
On the role of longitudinal mode Dynamics in Laterally Coupled Lasers. (2002)
YOUSEFI, M, Barsella, Alberto, LENSTRA, D, Morthier, Geert, Baets, Roel
Unnested islands of period-doublings in an injected semiconductor laser (2001)
Wieczorek, Sebastian, Krauskopf, B, Lenstra, D
Preprint of a paper later published by the American Physical Society (2001), Physical Review E, 64(5), ISSN 1063-651X
Theoretical and experimental stability maps of optically injected semiconductor laser (2001)
Wieczorek, Sebastian, Simpson, TB, Krauskopf, B, Lenstra, D
We found very good agreement between theoretical and experimental bifurcation diagrams of an optically injected diode laser. Identifying regions of various dynamics opens new possibilities for...
Multipulse excitability (2001)
Wieczorek, Sebastian, Krauskopf, B, Lenstra, D
Preprint of a paper later published by the American Physical Society (2002), Physical Review Letters, 88(6), ISSN 0031-9007
Global quantitative predictions of complex laser dynamics (2001)
Wieczorek, Sebastian, Simpson, TB, Krauskopf, B, Lenstra, D
Preprint of a paper later published by the American Physical Society (2002), Physical Review E, 65(4), ISSN 1063-651X
Routes to chaos in an optically injected semiconductor laser (2000)
Krauskopf, B, Wieczorek, Sebastian, Lenstra, D
Chaotic dynamics have been found in a single mode semiconductor laser subject to optical injection experimentally or by numerical simulation. In this paper we study this laser system by means of rate...
Different types of chaos in optically injected semiconductor lasers (2000)
Wieczorek, Sebastian, Krauskopf, B, Lenstra, D
Preprint of a paper later published by American Institute of Physics (2000), Applied Physics Letters, 77(11), pp.1611-1613, ISSN 0003-6951
Self-Pulsating Semiconductor Lasers: Theory and Experiment (1999)
Mirasso, C. R., Hernandez-Garcia, E., Lenstra, D., Lynch, S., Landais, P., ...
We report detailed measurements of the pump-current dependency of the self-pulsating frequency of semiconductor CD lasers. A distinct kink in this dependence is found and explained using...
Giant phase-conjugate reflection with a normal mirror in front of an optical phase-conjugator (1998)
Blaauboer, M., Lenstra, D., Lodder, A.
We theoretically study reflection of light by a phase-conjugating mirror preceded by a partially reflecting normal mirror. The presence of a suitably chosen normal mirror in front of the phase...
Superluminal Optical Phase Conjugation: Pulse Reshaping and Instability (1998)
Blaauboer, M., Kofman, A. G., Kozhekin, A. E., Kurizki, G., Lenstra, D., Lodder, A.
We theoretically investigate the response of optical phase conjugators to incident probe pulses. In the stable (sub-threshold) operating regime of an optical phase conjugator it is possible to...
Superluminal pulse transmission through a phase-conjugating mirror (1997)
Blaauboer, M., Kozhekin, A. E., Kofman, A. G., Kurizki, G., Lenstra, D., Lodder, A.
We theoretically analyze wave packet transmission through a phase-conjugating mirror and show that the transmission of a suitably chosen input pulse is superluminal, i.e. the peak of the pulse...
Size-effects in the Density of States in NS and SNS junctions (1996)
Blaauboer, M., Koperdraad, R. T. W., Lodder, A., Lenstra, D.
The quasiparticle local density of states (LDOS) is studied in clean NS and SNS junctions with increasing transverse size, from quasi-one-dimensional to three-dimensional. It is shown that finite...
Confinement and modal gain in dielectric waveguides. (1996)
VISSER, TD, Demeulenaere, Bart, Haes, Jan, LENSTRA, D, Baets, Roel, BLOK, H
I. Fischer, A. M. Levine, W. Elsäßer, E. Göbel, D. Lenstra
We report the first experimental observation of irregular picosecond light pulses within the coherence collapse of a semiconductor laser subject to delayed moderate optical feedback. This pulsing...