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