Laser diode bistability as sensor of optical signals pameters

González Marcos, Ana and Martín Pereda, José Antonio and Hurtado Villavieja, Antonio (2004). Laser diode bistability as sensor of optical signals pameters. In: "Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software and lasers", 27/09/2004, Ottawa, Ontario, Canada.

Description

Title: Laser diode bistability as sensor of optical signals pameters
Author/s:
  • González Marcos, Ana
  • Martín Pereda, José Antonio
  • Hurtado Villavieja, Antonio
Item Type: Presentation at Congress or Conference (Article)
Event Title: Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software and lasers
Event Dates: 27/09/2004
Event Location: Ottawa, Ontario, Canada
Title of Book: Proceedings of SPIE
Date: 16 November 2004
Volume: 5579
Subjects:
Freetext Keywords: optical sensor, laser diode bistability, optical measurements
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Laser Diodes have been employed many times as light sources on different kinds of optical sensors. Their main function in these applications was the emission of an optical radiation impinging onto a certain object and, according to the characteristics of the reflected light, some information about this object was obtained. Laser diodes were acting, in a certain way, just as passive devices where their only function was to provide the adequate radiation to be later measured and analyzed. The objective of this paper is to report a new concept on the use of laser diodes taking into account their optical bistable properties. As it has been shown in several places, different laser diodes as, for example, DFB lasers and FP lasers, offer bistable characteristics being these characteristics a function of different parameters as wavelength, light polarization or temperature. Laser Bistability is strongly dependent on them and any small variation of above parameters gives rise to a strong change in the characteristics of its non-linear properties. These variations are analyzed and their application in sensing reported. The dependence on wavelength, spectral width, input power and phase variations, mainly for a Fabry-Perot Laser structure as basic configuration, is shown in this paper.

More information

Item ID: 29002
DC Identifier: http://oa.upm.es/29002/
OAI Identifier: oai:oa.upm.es:29002
Official URL: http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=851529
Deposited by: Biblioteca ETSI Telecomunicación
Deposited on: 04 Jun 2014 05:32
Last Modified: 22 Sep 2014 11:43
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