Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Manu P John"'
Publikováno v:
Sensors & Transducers, Vol 87, Iss 1, Pp 39-45 (2008)
The aim of this work is to study noninvasively the systolic and diastolic characteristics of the resting peripheral volume pulse using a normalized mean pulse as a function of age using an indigenously developed hardware setup. Evaluation of the mini
Externí odkaz:
https://doaj.org/article/7e65d874f65a487ea0774ef63beefd12
Publikováno v:
Pramana. 86:1021-1030
Delay identification from the chaotic intensity output of a quantum dot laser with optical feedback is done using numerical and information theoretic techniques. Four quantifiers, namely autocorrelation function, delayed mutual information, permutati
Publikováno v:
Physics Letters A. 374:1835-1842
Isochronal synchronisation between the elements of an array of three mutually coupled directly modulated semiconductor lasers is utilized for the purpose of simultaneous bidirectional secure communication. Chaotic synchronisation is achieved by addin
Publikováno v:
Pramana. 74:177-188
Chaotic synchronization of two directly modulated semiconductor lasers with negative delayed optoelectronic feedback is investigated and this scheme is found to be useful for efficient bidirectional communication between the lasers. A symmetric bidir
Publikováno v:
Chaos, Solitons & Fractals. 42:515-521
Dynamics of Nd:YAG laser with intracavity KTP crystal operating in two parallel polarized modes is investigated analytically and numerically. System equilibrium points were found out and the stability of each of them was checked using Routh–Hurwitz
Publikováno v:
Pramana. 72:495-503
We study the effect of parameter fluctuations and the resultant multiplicative noise on the synchronization of coupled chaotic systems. We introduce a new quantity, the fluctuation rate ϕ as the number of perturbations occurring to the parameter in
Publikováno v:
Physics Letters A. 373:96-101
In this Letter we numerically investigate the dynamics of a system of two coupled chaotic multimode Nd:YAG lasers with two mode and three mode outputs. Unidirectional and bidirectional coupling schemes are adopted; intensity time series plots, phase
Publikováno v:
International Conference on Fibre Optics and Photonics.
We study the control of chaos in current modulated Multiple-Quantum-well Lasers (MQWLs), with optoelectronic delay feedback. For fixed value for delay, reverse period doubling is observed for increasing feedback strengths.
The chaotic dynamics of directly modulated semiconductor lasers with delayed optoelectronic feedback is studied numerically. The effects of positive and negative delayed optoelectronic feedback in producing chaotic outputs from such lasers with nonli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::588d6bdcb0232ab04407a600e453ed85
Publikováno v:
Frontiers in Optics 2007/Laser Science XXIII/Organic Materials and Devices for Displays and Energy Conversion.
We present the work on the dynamics of directly modulated multiple quantum well lasers showing hysteresis and bistability under certain operating conditions. The results promise a better way to ensure security in optical communication channels.