Optical Locking of Two Semiconductor Lasers through High-
Order Brillouin Stokes Components in Optical Fiber¹

V. V. Spirin^a, M. Castro^a, C. A. López-Mercado^a, P. Mégret^b, and A. A. Fotiadi^{b, c, d,} *

^a Scientific Research and Advanced Studies Center of Ensenada (CICESE), Carretera Ensenada-Tijuana no. 3918,
Zona Playitas, 22860 Ensenada, B.C., Mexico

^b University of Mons, Electromagnetism and Telecommunication Department, 31 Boulevard Dolez, B-7000 Mons, Belgium

^c Ioffe Physico-Technical Institute of the RAS, ul. Polytekhnicheskaya 26, St. Petersburg, 194021 Russia

^d Ulyanovsk State University, ul. Lva Tolstogo 42, Ulyanovsk, 432970 Russia

*e-mail: Andrei.Fotiadi@umons.ac.be

Received September 1, 2011; in final form, November 10, 2011; published online March 6, 2012

Abstract—A novel technique for optical injection locking of two semiconductor lasers through high-order
Brillouin Stokes components in optical fiber is proposed and experimentally demonstrated. The configuration
potentially provides microwave signals generation at manifold Brillouin frequency without high-frequency
external modulator and generator. Significant narrowing of the locked slave semiconductor laser linewidth was
recorded.

DOI: 10.1134/S1054660X12040214

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