V. V. Dyudelev, D. A. Mikhailov, D. V. Chistyakov, E. A. Kognovitskaya, A. V. Lyutetskiy, S. O. Slipchenko, N. A. Pikhtin, A. G. Gladyshev, D. V. Denisov, K. O. Voropaev, A. S. Ionov, A. V. Babichev, I. I. Novikov, L. Ya. Karachinsky, V. I. Kuchinskii, A. Yu. Egorov, G. S. Sokolovskii, “High-coupling distributed feedback lasers for the 1.55 μm spectral region”, Kvantovaya Elektronika, 2019, Volume 49, Number 9,Pages <nobr>801

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Letters

High-coupling distributed feedback lasers for the 1.55 μm spectral region

V. V. Dyudelev^a, D. A. Mikhailov^b, D. V. Chistyakov^c, E. A. Kognovitskaya^ab, A. V. Lyutetskiy^a, S. O. Slipchenko^a, N. A. Pikhtin^a, A. G. Gladyshev^d, D. V. Denisov^b, K. O. Voropaev^ef, A. S. Ionov^e, A. V. Babichev^cd, I. I. Novikov^acd, L. Ya. Karachinsky^acd, V. I. Kuchinskii^a, A. Yu. Egorov^c, G. S. Sokolovskii^a

^a Ioffe Institute, St. Petersburg
^b St. Petersburg Electrotechnical University
^c St. Petersburg State University of Information Technologies, Mechanics and Optics
^d Connector Optics LLC, St. Petersburg
^e JSC OKB-Planeta, Velikii Novgorod, Russia
^f Yaroslav-the-Wise Novgorod State University

Abstract: A technique for the development of high-coupling distributed-feedback (DFB) lasers for the 1.55 μm spectral region is described. The lasers demonstrate stable single-frequency generation in a broad temperature range with a maximum side-mode suppression ratio of more than 30 dB.

Keywords: distributed feedback, single-frequency lasing, side-mode suppression ratio, semiconductor laser.

Received: 25.07.2019