Conference papers and presentations

  1. B. Sumpf, M. Tawfieq, L. S. Theurer, A. Müller, T. N. Vu, and M. Maiwald, "Tuneable Y-branch dual-wavelength diode lasers in the VIS and NIR range for sensor applications," Proc. SPIE 10939, Novel In-Plane Semiconductor Lasers XVIII, 10939-33, San Francisco, USA, Feb. 2019

     

  2. A. Barh, M. Tawfieq, B. Sumpf, C. Pedersen and P. Tidemand-Lichtenberg, "Upconversion on Demand using a 2-D Quasi Phase Matching Crystal", International Conference on Fiber Optics and Photonics - PHOTONICS 2018, New Delhi, India, Dec. 2018.

  3. M. Hermes, S. Junaid, S. Chaitanya Kumar, M. Mathez, N. Stone, M. Ebrahim-Zadeh, P. Tidemand-Lichtenberg, and C. Pedersen, “Emerging imaging technologies for rapid high-resolution mid-IR spectral histopathology ScieX Conference,” Atlanta, USA, 2 October 2018 (Invited talk)

     

  4. C. F. O'Donnell, S. Chaitanya Kumar, T. Paoletta, and M. Ebrahim-Zadeh, “Soliton fibre-feedback femtosecond optical parametric oscillator,” 8th EPS-QEOD Europhoton Conference, Paper: WeM. 2.1, Barcelona, Spain, September 2018.

  5. K. Devi, A. Padhye, S. Sukeert, and M. Ebrahim-Zadeh, “Widely tunable, green-pumped, visible and near-infrared continuous-wave optical parametric oscillator based on fan-out-grating PPKTP,” 8th EPS-QEOD Europhoton Conference, Paper: WeM. 2.2, Barcelona, Spain, September 2018.

  6. C. F. O'Donnell, S. Chaitanya Kumar, and M. Ebrahim-Zadeh, “Broadband mid-IR femtosecond optical parametric oscillator exploiting zero-group-velocity mismatch in MgO:PPLN,” 8th EPS-QEOD Europhoton Conference, Paper: WeP. 27, Barcelona, Spain, September 2018.

  7. V. Sharma, S. Chaitanya Kumar, A. Aadhi, H. Ye, G. K. Samanta, and M. Ebrahim-Zadeh, “Generation of vector vortex beam from a doubly-resonant pulsed nanosecond optical parametric oscillator,” 8th EPS-QEOD Europhoton Conference, Paper: WeP. 23, Barcelona, Spain, September 2018.

  8. B. K. Nandy, S. Chaitanya Kumar, C. F. O'Donnell, and M. Ebrahim-Zadeh, “Compact, stable, high-average-power, integrated-mirror-fiber-feedback picosecond optical parametric oscillator for the near- and mid-infrared,” 8th EPS-QEOD Europhoton Conference, Paper: WeP. 20, Barcelona, Spain, September 2018.

  9. M. Tawfieq, H. Wenzel, O. Brox, P. Della Casa, A. Knigge, M. Weyers, B. Sumpf, and G. Tränkle, “Widely tunable high power sampled-grating MOPA system emitting around 970 nm”, CLEO Pacific RIM 2018, China, Hong Kong, August 2018.

  10. K. Devi, A. Padhye, P. G. Schunemann, M. Ebrahim-Zadeh, “Continuous-wave, multi-milliwatt, tunable difference-frequency generation across 4608-4694 nm in orientation-patterned GaP,” Proc. SPIE 10684, 1068410 (2018).
    https://doi.org/10.1117/12.2306858

  11. C. F. O'Donnell,S. Chaitanya Kumar, T. Paoletta,M. Ebrahim-Zadeh, “Compact fibre-integrated femtosecond optical parametric oscillator,” Proc. SPIE 10684, 106840I (2018).
    https://doi.org/10.1117/12.2309649

  12. Y. Matsuoka, S. Peters, M. P. Semtsiv, and W. T. Masselink, "Tunable external cavity quantum cascade laser using intra-cavity out-coupling," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optical Society of America, 2018), paper JTu2A.18.
    https://www.osapublishing.org/abstract.cfm?uri=cleo_si-2018-JTu2A.18&origin=search

  13. P. Bouzy, Y-P. Tseng, C. Pedersen, P. Tidemand-Lichtenberg, H. Madupali, M. M. J. Tecklenburg, F. Palombo, and N. Stone, “Novel Spectroscopic Tools for Analysis of Breast Cancer associated Microcalcifications,” Poster presentation (78) at 10th conference SPEC 2018, Glasgow, Scotland, 10-15 June 2018.

  14. M. Hermes, N. Stone, “Discrete Frequency IR imaging - Does sampling geometry hamper classifcation?”, SPEC Conference, Glasgow, UK, June 2018. (Oral presentation)

     

  15. H. Ye, S. Chaitanya Kumar, J. Wei, P.G. Schunemann, and M. Ebrahim-Zadeh, “Pulsed optical parametric generation and oscillation in orientation-patterned gallium phosphide,” CLEO, Paper: STh4F.6, San Jose, USA, May 2018.
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_SI-2018-STh4F.6

  16. B. Nandy, H. Ye, S. C. Kumar, and M. Ebrahim-Zadeh, "Stable, high-average-power, narrow-linewidth source at 2.1 µm pumped at 1.064 μm," CLEO, Paper: JTu2A.60, San Jose, USA, May 2018. (Poster presentation).

  17. C. F. O'Donnell, S. Chaitanya Kumar, K. Zawilski, P. G. Schunemann, and M. Ebrahim-Zadeh, “Critically Phase-Matched Deep-Infrared Femtosecond Optical Parametric Oscillator Based on CdSiP2," CLEO, Paper: STh4F.7, San Jose, USA, May 2018.
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_SI-2018-STh4F.7

  18. C. F. O'Donnell, S. Chaitanya Kumar, T. Paoletta, and M. Ebrahim-Zadeh, “Compact femtosecond optical parametric oscillator based on an integrated fibre retroreflector,” CLEO, Paper: JTu2A.61, San Jose, USA, May 2018. (Poster presentation)
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_SI-2018-JTu2A.61

  19. V. Sharma, S. Chaitanya Kumar, A. Aadhi, H. Ye, G. K. Samanta, and M. Ebrahim-Zadeh, “Generation of Vector Vortex Beam From Doubly-Resonant Nanosecond Optical Parametric Oscillator,” CLEO, Paper: FTh3E.8, San Jose, USA, May 2018.
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_QELS-2018-FTh3E.8

  20. K. Devi, A. Padhye, P. G. Schunemann, and M. Ebrahim-Zadeh, “Tunable, multi-milliwatt, continuous-wave difference-frequency-generation across 4.6-4.7 μm based on orientation-patterned GaP,” CLEO, Paper: JTu2A.67, San Jose, USA, May 2018. (Poster presentation)
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_AT-2018-JTu2A.67

  21. H. Ye, S. Chaitanya Kumar, J. Wei, P. G. Schunemann, and M. Ebrahim-Zadeh, “1 μm-pumped optical parametric generator and oscillator based on orientation-patterned gallium phosphide,” SPIE Photonics Europe, Paper:10684-71, Strasbourg, France, April 2018. (Poster presentation)

  22. M. Hermes, N. Stone, “Hyperspectral Imaging - Machine Learning und seine Grenzen,” Analytica Conference, Munich, Germany, April 2018. (Invited talk)

     

  23. C. F. O'Donnell, S. Chaitanya Kumar, T. Paoletta, and M. Ebrahim-Zadeh, “Compact fibre-integrated femtosecond optical parametric oscillator,” SPIE Photonics Europe, Paper:10684-17, Strasbourg, France, April 2018.

  24. C. F. O' Donnell, S. Chaitanya Kumar, K. T. Zawilski, P. G. Schunemann, and M. Ebrahim-Zadeh, “High-average-power, deep-infrared, Ti:sapphire-pumped femtosecond optical parametric oscillator based on CdSiP2,” Mid-Infrared Coherent Sources, MICS-2018, Paper: MW1C.5, Strasbourg, France, March 2018.
    https://www.osapublishing.org/abstract.cfm?uri=MICS-2018-MW1C.5

  25. H. Ye, S. Chaitanya Kumar, J. Wei, P. G. Schunemann, and M. Ebrahim-Zadeh, “Singly-resonant optical parametric oscillator based on orientation-patterned gallium phosphide,” Mid-Infrared Coherent Sources, MICS-2018, Paper: MW2C.5, Strasbourg, France, March 2018.
    https://www.osapublishing.org/abstract.cfm?uri=MICS-2018-MW2C.5

  26. K. Devi, A. Padhye, P.G. Schunemann, and M. Ebrahim-Zadeh, “Tunable, continuous-wave, multi-milliwatt mid-infrared source across 4.6-4.7 μm based on orientation-patterned GaP,” Mid-Infrared Coherent Sources, MICS-2018, Paper: MW1C.2, Strasbourg, France, March 2018.
    https://www.osapublishing.org/abstract.cfm?uri=MICS-2018-MW1C.2

  27. H. Ye, B. Nandy, S. Chaitanya Kumar, and M. Ebrahim-Zadeh, “Stable, High-average-power, degenerate optical parametric oscillator at 2.1 μm,” Mid-Infrared Coherent Sources, MICS-2018, Paper: JT5A.17, Strasbourg, France, March 2018. (Poster presentation)

  28. M. Tawfieq, A. Müller, J. Fricke, P. Della Casa, P. Ressel, A. Ginolas, D. Feise, B. Sumpf, and G. Tränkle, "High power Y-branch MOPA-system with 9.7 nm wavelength tunability for IR up-conversion detection," in Mid-Infrared Coherent Sources, MICS-2018, Paper: MT1C.6, Strasbourg, France, March 2018.
    https://doi.org/10.1364/MICS.2018.MT1C.6 

  29. P. Bouzy, Y-P. Tseng, C. Pedersen, P. Tidemand-Lichtenberg, F. Palombo, and N. Stone, “Advances in Mid-Infrared Spectroscopic Imaging for Analysis of Breast Cancer Associated Microcalcifications,” Oral presentation (MT3C.8) at High-brightness Sources and Light-driven Interactions Congress (MICS), Strasbourg, France, 26–28 March 2018.
      

  30. L. Huot, P. M. Moselund, P. Tidemand-Lichtenberg, C. Pedersen, “Characterization of infrared pulses using upconversion,” Oral presentation (MT1C.3) at High-brightness Sources and Light-driven Interactions Congress (MICS), Strasbourg, France, 26–28 March 2018.

  31. L. Meng, L. Høgstedt P. Tidemand-Lichtenberg, C. Pedersen, and P. J. Rodrigo, “S/N Ratio of an Upconversion Detector Dominated by Upconverted Spontaneous Parametric Down-conversion Noise,”  Oral presentation (MM4C.5) at High-brightness Sources and Light-driven Interactions Congress (MICS), Strasbourg, France, 26–28 March 2018.

  32. S. Junaid, P. J. Rodrigo, P. Tidemand-Lichtenberg, and C. Pedersen, “Point-Spread Function Engineering in Upconversion Imaging,” Oral presentation (MM4C.4) at High-brightness Sources and Light-driven Interactions Congress (MICS), Strasbourg, France, 26–28 March 2018.

  33. Y-P. Tseng, C. Pedersen, and P. Tidemand-Lichtenberg, “Long-wave Infrared Upconverter”, Accepted for oral presentation (MM4C.2) at High-brightness Sources and Light-driven Interactions Congress (MICS), Strasbourg, France, 26–28 March 2018.

  34. Y.  Matsuoka, S. Mathonnière, M.P. Semtsiv, W.T. Masselink, "Angled facet waveguide quantum cascade laser for external cavity system", Proc. SPIE 10553, Novel In-Plane Semiconductor Lasers XVII, 105531L, 19 February 2018.
    https://doi.org/10.1117/12.2290149

  35. C. Pedersen, A. Barh, L. Meng, and P. Tidemand-Lichtenberg, “Low noise, room temperature, upconversion of infrared light and applications,” Oral presentation at Quantum & Nonlinear Optics, Kuala Lumpur, Malaysia, 2–5 February 2018.

  36. Y.-P. Tseng, P. Bouzy, N. Stone, C. Pedersen, P. Tidemand-Lichtenberg, “Long wavelength identification of microcalcifications in breast cancer tissue using a quantum cascade laser and upconversion detection,” Biomedical Vibrational Spectroscopy 2018: Advances in Research and Industry, 12, SPIE, San Francisco, 2018.

    http://dx.doi.org/10.1117/12.2290928

     

  37. P. M. Moselund, P. Bowen, L. Huot, J. Carthy, R. Powell, L. Hooper, "Compact low-power mid-IR supercontinuum for sensing applications," Proc. SPIE 10540, Quantum Sensing and Nano Electronics and Photonics XV, 105402I, 26 January 2018.
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10540/2290447/Compact-low-power-mid-IR-supercontinuum-for-sensing-applications/10.1117/12.2290447.full

     

  38. C. F. O'Donnell, S. Chaitanya Kumar, K. T. Zawilski, P. G. Schunemann, and M. Ebrahim-Zadeh, “Femtosecond deep-infrared optical parametric oscillator pumped directly by a Ti:sapphire laser,” SPIE Photonics West, Paper: 10516-35, San Francisco, USA, January 2018.
    https://doi.org/10.1117/12.2287559

  39. J.Wei, S. Chaitanya Kumar, H. Ye, P. G. Schunemannc, and M. Ebrahim-Zadeh,” Performance characterization of mid-infrared difference frequency generation in orientation-patterned gallium phosphide,” SPIE Photonics West, Paper: 10516-30, San Francisco, USA, January 2018.
    https://doi.org/10.1117/12.2287670

  40. M. Tawfieq, A. Müller; J. Fricke, P. Della Casa, P. Ressel, A. Ginolas, D. Feise, B. Sumpf, and G. Tränkle, “5.5nm wavelength-tunable high-power MOPA diode laser system at 971 nm,“ Photonics West 2018. (Presentation and SPIE proceeding paper)
    https://doi.org/10.1117/12.2289521

  41. O. Brox, H. Wenzel, P. Della Casa, M. Tawfieq, B. Sumpf, M. Weyers, A. Knigge, “Reflectors and tuning elements for widely-tunable GaAs-based sampled grating DBR lasers,” Photonics West 2018. (Presentation and SPIE proceeding paper)
    https://doi.org/10.1117/12.2287413

  42. L. Meng, A. Fix, L. Høgstedt, P. Tidemand-Lichtenberg, C. Pedersen, and P. J. Rodrigo, “Upconversion Detector for Methane Atmospheric Sensor,” Oral presentation (EW4B.2), Optics and Photonics for Energy & the Environment (E2), Boulder, CO, USA, 6–9 November 2017

  43. C. F. O' Donnell, S. Chaitanya Kumar, K. T. Zawilski, P. G. Schunemann, and M. Ebrahim-Zadeh, “Single-stage Ti:sapphire-pumped deep-infrared femtosecond optical parametric oscillator based on CdSiP2,” Advanced Solid State Lasers (ASSL), Paper: AM4A.5, Nagoya, Japan, October 2017.
    https://www.osapublishing.org/abstract.cfm?uri=assl-2017-AM4A.5 

  44. M. Hermes, N. Stone, “Advancing mid infrared imaging technology: The Mid-TECH Project,” FTIR-Workshop, Robert-Koch-Institut, Berlin, Germany, October 2017. (Invited talk)

     

  45. A. Barh, Y-P. Tseng, C. Pedersen, and P. Tidemand-Lichtenberg, “Inherent limitations in mid-wave and long-wave-IR upconversion Detector,” Poster presentation (JTu3A.38) in OSA Frontiers in Optics & Laser Science APS/DLS, Washington DC, USA, 17–21 September 2017.

  46. J. Wei, S. Chaitanya Kumar, H. Ye, K. Devi, P. G. Schunemann, and M. Ebrahim-Zadeh, “Midinfrared difference-frequency-generation in orientation-patterned gallium phosphide,” The 24th Congress of the International Commission for Optics, Paper: Tu1D-05, Tokyo, Japan, August 2017. 

  47. M. Tawfieq, A. Müller, J. Fricke, P. Della Casa, P. Ressel, A. Ginolas, D. Feise, B. Sumpf, and G. Tränkle “972 nm Diode Laser MOPA System with 6.2 W Output Power and a Tuning Range of 5.5 nm,“ The 24th Congress of the International Commission for Optics, Tokyo, Japan, August 2017.
     

  48. H. Ye, S. Chaitanya Kumar, J.Wei, P. G. Schunemann, and M. Ebrahim-Zadeh, “Optical parametric generator based on orientation-patterned gallium phosphide,” CLEO/Europe-EQEC, Paper: CD-10.3, Munich, Germany, June 2017.
    https://www.osapublishing.org/abstract.cfm?uri=CLEO_Europe-2017-CD_10_3

  49. Y. Matsuoka, J. F. Kischkat, M. P. Semtsiv, and W. T. Masselink, "Broadly tunable external cavity quantum cascade laser for medical hyperspectral imaging at 11 μm wavelength region," 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, June 2017.
    https://doi.org/10.1109/CLEOE-EQEC.2017.8087794

     

  50. M. Tawfieq, H. Wenzel, O. Brox, P. Della Casa, A. Knigge, M. Weyers, B. Sumpf, G. Tränkle, “Design and realization of a widely tunable sampled-grating distributed-Bragg reflector (SG DBR) laser emitting at 976 nm”, CLEO Europe 2017, Munich, Germany. (Poster presentation)
    https://doi.org/10.1109/CLEOE-EQEC.2017.8086389

  51. L. Meng, L. Høgstedt, P. Tidemand-Lichtenberg, C. Pedersen, and P. J. Rodrigo, “Intracavity Upconversion for IR Absorption Lidar: Comparison of Linear and Ring Cavity Designs,” Poster presentation (CD-P.35), CLEO Europe 2017, Munich, Germany, 25–29 June 2017.

  52. J. Tomko, S. Junaid, P. Tidemand-Lichtenberg, and W. T. Masselink, “Novel Mid-Infrared Imaging System Based on Single-Mode Quantum Cascade Laser Illumination and Upconversion,” Poster presentation (CD-P.3), CLEO Europe 2017, Munich, Germany, 25–29 June 2017.

  53. S. Junaid, P. Tidemand-Lichtenberg, and C. Pedersen, “Upconversion based MIR Hyperspectral Imaging,” Oral presentation (CD-13.2), CLEO Europe 2017, Munich, Germany, 25–29 June 2017.

  54. M. Hermes, J. Nallala, L. Huot, S. Junaid, J. Tomko, P. Tidemand-Lichtenberg, C. Pedersen, and N. Stone, “Towards Rapid high-resolution mid-IR imaging for molecular spectral histopathological diagnosis of oesophageal cancers,” Oral presentation (JSIII-2.6), CLEO Europe 2017, Munich, Germany, 25–29 June 2017.

  55. M. Hermes, N. Stone, “Towards Rapid high-resolution mid-IR imaging for molecular spectral histopathological diagnosis of oesophageal cancers,” CRUK International Symposium on Oesophageal Cancer, Cambridge, UK, April 2017. (Poster presentation)

  56. P. Della Casa, O. Brox, A. Knigge, B. Sumpf, M. Tawfieq, H. Wenzel, M. Weyers, and G. Tränkle, “Integration of active, passive and buried-grating sections for a GaAs-based, widely tunable laser with sampled grating Bragg reflectors,” Compound Semiconductor Week 2017, Berlin, Germany.

  57. S. Junaid, P. Tidemand-Lichtenberg, and C. Pedersen, “Upconversion based spectral imaging in 6 to 8µm spectral regime,” Photonics West 2017. (Presentation and SPIE proceeding paper)
    http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.2250538

     

  58. L. Huot, C. Pedersen, P. Tidemand-Lichtenberg, P. M. Moselund, L. Leick, “Broadband upconversion imaging around 4 µm using an all-fiber supercontinuum source,” Photonics West 2017. (Presentation and SPIE proceeding paper)
    http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.2251805

     

  59. S. Mathonnière, M. P. Semtsiv, and W. Ted Masselink: "Thermal Annealing of Lattice-Matched InGaAs/InAlAs Quantum Cascade Laser", 19th International Conference on Molecular-Beam Epitaxy, Montpelier, France, 4-9 September 2016. (Poster presentation)

  60. M Tawfieq: “Concept and numerical simulations of a 17 nm tunable sampled-grating distributed-Bragg reflector (SG DBR) laser emitting at 976 nm,” Semiconductor and Integrated Optoelectronics Conference: SIOE’16, Cardiff University, Cardiff, Wales, 5 April 2016.  (Poster presentation)

  61. YP. Tseng, N. Hamburger, H. Hansen, F. Bak, M. Terkelsen, M. Christophersen, L. Bennedsen, P. TidemandLichtenberg, and C. Pedersen, “Development and test of optical sensor for real time measurement of volatile organic contaminants in air,” 10th international conference on remediation of chlorinated and recalcitrant compounds, Palm Springs, California, 22-26 May 2016. (Poster presentation)

  62. P. Moselund, L. Huot, and C. Brooks: “All-Fiber Mid-IR Supercontinuum: a Powerful New Tool for IR-Spectroscopy,” Proceedings of Spie – the International Society for Optical Engineering 9703. SPIE-INT SOC OPTICAL ENGINEERING: 97030B (6 pp.), 97030B (6 pp.), 2016.

  63. I. D. Lindsay, S. Valle, J. Ward, G. Stevens, M. Farries, L. Huot, C. Brooks, et al: “Towards Supercontinuum-Driven Hyperspectral Microscopy in the Mid-Infrared”, Proceedings of Spie--the International Society for Optical Engineering 9703. SPIE-INT SOC OPTICAL ENGINEERING: 970304 (9 pp.), 970304 (9 pp.), 2016.

  64. L. Huot, C. Pedersen, P. Tidemand-Lichtenberg, J. Seidelin Dam, P. Moselund and C. Brooks, “Upconversion imaging using an all-fiber supercontinuum source”, Photonics West 2016.

  65. M. Hermes, J. Nallala, N.Stone: “Comparison of processing techniques for FTIR images of tissue sections”, Chemometrics in analytical chemistry (CAC), Barcelona, Spain, June 2016. (Poster presentation)

 

http://www.midtech-itn.eu/dissemination/conference-papers-and-presentations
12 DECEMBER 2018