Monolithic integration of a spot size transformer with a planar buried heterostructure InGaAsP/InP-laser using the shadow masked growth technique

Moerman, I., D'Hondt, M., Vanderbauwhede, W. , Coudenys, G., Haes, J., de Dobbelaere, P., Baets, R., van Daele, P. and Demeester, P. (1994) Monolithic integration of a spot size transformer with a planar buried heterostructure InGaAsP/InP-laser using the shadow masked growth technique. IEEE Photonics Technology Letters, 6(8), pp. 888-890. (doi: 10.1109/68.313042)

Abstract

We present a vertically tapered InGaAsP/InP planar buried heterostructure (PBB) laser for low loss coupling to single-mode fibers. To achieve the vertical tapering we make use of the shadow masked growth technique. Tapered lasers with beam divergences of 15° in both lateral and transverse directions were realized. In comparison with untapered lasers, the coupling losses to cleaved single-mode fibers could be reduced by 4.8 dB down to 5.8 dB.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Vanderbauwhede, Professor Wim
• Authors: Moerman, I., D'Hondt, M., Vanderbauwhede, W., Coudenys, G., Haes, J., de Dobbelaere, P., Baets, R., van Daele, P., and Demeester, P.
• Subjects: T Technology > T Technology (General)
• College/School: College of Science and Engineering > School of Computing Science
• Journal Name: IEEE Photonics Technology Letters
• ISSN: 1041-1135
• ISSN (Online): 1941-0174