Parameters of a Laser Diode with a Fiber Bragg Grating
at Different Fiber Lengths

V. S. Zholnerov^a, A. V. Ivanov^b, V. D. Kurnosov^b, K. V. Kurnosov^b,
V. I. Romantsevich^b, and R. V. Chernov^b

^a Russian Institute of Radionavigation and Time, pl. Rastrelli 2, St. Petersburg, 191124 Russia
^b Stel’makh Research and Development Institute Polyus, ul. Vvedenskogo 3, Moscow, 117342 Russia
e-mail: webeks@mail.ru

Received February 21, 2013; in final form, July 19, 2013

Abstract—Theoretical and experimental results are used to demonstrate that an increase in the pump current
leads to an increase in the range of continuous variation in the radiation wavelength and power of a laser diode
with a fiber Bragg grating with a decrease in the fiber length. An expression for the gain that depends on the
carrier density in the laser active area is derived. The watt–ampere and spectral characteristics that are calcu-
lated in the two cases are in reasonable agreement.

DOI: 10.1134/S106378421403030X

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