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Tapered index-coupled 1.55 µm InGaAsP/InP-BH-DFB-laser with chirped-period gratings

: Möhrle, M.; Sigmund, A.; Suna, A.; Röhle, H.; Mörl, L.; Steingrüber, R.; Fürst, W.

IEEE Communications Society; IEEE Lasers and Electro-Optics Society; Optical Society of America -OSA-, Washington/D.C.:
Optical Fiber Communications Conference, OFC 2003. Postconference digest : March 24 - 28, 2003
Washington, DC: OSA, 2003 (Trends in optics and photonics series 86)
ISBN: 1-557-52731-8
ISBN: 1-557-52746-6
S.187-188 (Vol.1)
Optical Fiber Communication Conference (OFC) <2003, Atlanta/Ga.>
Fraunhofer HHI ()

All-active tapered index coupled 1.55 µm InGaAsP-BH-DFB-lasers involving chirped gratings were realized for the first time. The laser show small far-fields, high output power and high single mode yield.