2.1-W picosecond passively mode-locked external-cavity semiconductor laser
Aschwanden, A, Lorenser, D, Unold, H J, Paschotta, R, Gini, E, Keller, U
Published in Optics letters (01.02.2005)
Published in Optics letters (01.02.2005)
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Journal Article
Vertical integration of ultrafast semiconductor lasers
MAAS, D. J. H. C, BELLANCOURT, A.-R, RUDIN, B, GOLLING, M, UNOLD, H. J, SUDMEYER, T, KELLER, U
Published in Applied physics. B, Lasers and optics (01.09.2007)
Published in Applied physics. B, Lasers and optics (01.09.2007)
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Journal Article
Towards wafer-scale integration of high repetition rate passively mode-locked surface-emitting semiconductor lasers
LORENSER, D, UNOLD, H. J, MAAS, D. J. H. C, ASCHWANDEN, A, GRANGE, R, PASCHOTTA, R, EBLING, D, GINI, E, KELLER, U
Published in Applied physics. B, Lasers and optics (01.12.2004)
Published in Applied physics. B, Lasers and optics (01.12.2004)
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Journal Article
Large-area single-mode VCSELs and the self-aligned surface relief
Unold, H.J., Mahmoud, S.W.Z., Jager, R., Grabherr, M., Michalzik, R., Ebeling, K.J.
Published in IEEE journal of selected topics in quantum electronics (01.03.2001)
Published in IEEE journal of selected topics in quantum electronics (01.03.2001)
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Journal Article
Picosecond pulse sources with multi-GHz repetition rates and high output power
Paschotta, R, Krainer, L, Lecomte, S, Spühler, G J, Zeller, S C, Aschwanden, A, Lorenser, D, Unold, H J, Weingarten, K J, Keller, U
Published in New journal of physics (26.11.2004)
Published in New journal of physics (26.11.2004)
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Journal Article
High-power VCSELs: single devices and densely packed 2-D-arrays
Grabherr, M., Miller, M., Jager, R., Michalzik, R., Martin, U., Unold, H.J., Ebeling, K.J.
Published in IEEE journal of selected topics in quantum electronics (01.05.1999)
Published in IEEE journal of selected topics in quantum electronics (01.05.1999)
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Journal Article
Improving single-mode VCSEL performance by introducing a long monolithic cavity
Unold, H.J., Mahmoud, S.W.Z., Jager, R., Kicherer, M., Riedl, M.C., Ebeling, K.J.
Published in IEEE photonics technology letters (01.08.2000)
Published in IEEE photonics technology letters (01.08.2000)
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Journal Article
Single-mode, single-polarization VCSELs via elliptical surface etching: experiments and theory
Debernardi, P., Unold, H.J., Maehnss, J., Michalzik, R., Gian Paolo Bava, Karl Joachim Ebeling
Published in IEEE journal of selected topics in quantum electronics (01.09.2003)
Published in IEEE journal of selected topics in quantum electronics (01.09.2003)
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Journal Article
3-Gb/s data transmission with GaAs VCSELs over PCB integrated polymer waveguides
Mederer, F., Jager, R., Unold, H.J., Michalzik, R., Ebeling, K.J., Lehmacher, S., Neyer, A., Griese, E.
Published in IEEE photonics technology letters (01.09.2001)
Published in IEEE photonics technology letters (01.09.2001)
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Journal Article
Polarisation control in VCSELs by elliptic surface etching
Unold, H.J., Riedl, M.C., Michalzik, R., Ebeling, K.J.
Published in Electronics letters (17.01.2002)
Published in Electronics letters (17.01.2002)
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Journal Article
Investigation of polarization properties of VCSELs subject to optical feedback from an extremely short external cavity-part I: theoretical analysis
Arteaga, M.A., Unold, H.J., Ostermann, J.M., Michalzik, R., Thienpont, H., Panajotov, K.
Published in IEEE journal of quantum electronics (01.02.2006)
Published in IEEE journal of quantum electronics (01.02.2006)
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Journal Article
Singlemode output power enhancement of InGaAs VSELs by reduced spatial hole burning via surface etching
Unold, H J, Golling, M, Mederer, F, Michalzik, R, Supper, D, Ebeling, K J
Published in Electronics letters (26.04.2001)
Published in Electronics letters (26.04.2001)
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Journal Article
Investigation of polarization properties of VCSELs subject to optical feedback from an extremely short external cavity-part II: experiments
Arteaga, M.A., Unold, H.J., Ostermann, J.M., Michalzik, R., Thienpont, H., Panajotov, K.
Published in IEEE journal of quantum electronics (01.02.2006)
Published in IEEE journal of quantum electronics (01.02.2006)
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Journal Article
Long monolithic cavity VCSELs for high singlemode output power
Unold, H.J., Riedl, M.C., Mahmoud, S.W.Z., Jäger, R., Ebeling, K.J.
Published in Electronics letters (01.02.2001)
Published in Electronics letters (01.02.2001)
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Journal Article
High performance selectively oxidized VCSELs and arrays for parallel high-speed optical interconnects
Mederer, F., Ecker, I., Joos, J., Kicherer, M., Unold, H.J., Ebeling, K.J., Grabherr, M., Jager, R., King, R., Wiedenmann, D.
Published in IEEE transactions on advanced packaging (01.11.2001)
Published in IEEE transactions on advanced packaging (01.11.2001)
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Journal Article
Conference Proceeding
Towards wafer-scale integration of high-repetition-rate passively mode-locked surface-emitting semiconductor lasers
Unold, H.J., Lorenser, D., Maas, D.J.H.C., Aschwanden, A., Grange, R., Paschotta, R., Keller, U., Gini, E., Ebling, D.
Published in (CLEO). Conference on Lasers and Electro-Optics, 2005 (2005)
Published in (CLEO). Conference on Lasers and Electro-Optics, 2005 (2005)
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Conference Proceeding