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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 3 — Jan. 20, 2011
  • pp: 329–334

Bipolar tap photonic microwave notch filter using electroabsorption modulator-integrated distributed feedback laser diodes in a parallel configuration

You Min Chang, Junsu Lee, and Ju Han Lee  »View Author Affiliations


Applied Optics, Vol. 50, Issue 3, pp. 329-334 (2011)
http://dx.doi.org/10.1364/AO.50.000329


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Abstract

We propose a bipolar tap photonic microwave notch filter scheme, which can be used to realize a fully integrated, semiconductor-based notch filter. The scheme is based on two electroabsorption modu lator (EAM)-integrated distributed feedback laser diodes in a parallel configuration. We show that two filter taps with opposite polarities can be readily obtained by using the negative and positive slopes of the U-shaped electro-optic transfer functions of the EAMs under special design and operating conditions. An experiment was carried out to verify the working principle of the proposed scheme. Notch frequency tuning was also demonstrated by varying the laser wavelength spacing; the spacing was varied by changing the temperature. A frequency tuning range of 1.8 GHz with a notch depth of 40 dB was achieved.

© 2011 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(350.4010) Other areas of optics : Microwaves
(230.4205) Optical devices : Multiple quantum well (MQW) modulators
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 7, 2010
Revised Manuscript: November 24, 2010
Manuscript Accepted: November 24, 2010
Published: January 17, 2011

Citation
You Min Chang, Junsu Lee, and Ju Han Lee, "Bipolar tap photonic microwave notch filter using electroabsorption modulator-integrated distributed feedback laser diodes in a parallel configuration," Appl. Opt. 50, 329-334 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-3-329

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