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Metzger, N.K. and Leburn, C.G. and Lagatsky, A.A. and Brown, C.T.A. and Calvez, S. and Burns, D. and Sun, H.D. and Dawson, M.D. and Harmand, J.C. and Sibbett, W. (2008) Femtosecond pulse generation around 1500nm using a GaInNAsSb SESAM. Optics Express, 16 (23). pp. 18739-18744. ISSN 1094-4087

Qiu, Y.N. and Sun, H.D. and Rorison, J.M. and Calvez, S. and Dawson, M.D. and Bryce, A.C. (2008) Quantum-well intermixing influence on GaInNAs/GaAs quantum-well laser gain: theoretical study. Semiconductor Science and Technology, 23 (9). ISSN 0268-1242

Calvez, S. and Laurand, N. and Sun, H.D. and Weda, J. and Burns, D. and Dawson, M.D. and Harkonen, A. and Jouhti, T. and Pessa, M. and Hopkinson, M. and Poitras, D. and Gupta, J.A. and Leburn, C.G. and Brown, C.T.A. and Sibbett, W. (2007) GaInNAs(Sb) surface normal devices. Physics Status Solidi A, 205 (1). pp. 85-92. ISSN 1521-396X

Hopkins, J.M. and Preston, R.D. and MacLean, A.J. and Calvez, S. and Sun, H. and Ng, J. and Steer, M. and Hopkinson, M. and Burns, D. (2007) High performance 2.2um optically-pumped vertical external-cavity surface-emitting laser. Journal of Modern Optics, 54 (12). pp. 1677-1683. ISSN 1362-3044

Sun, H.D. and Calvez, S. and Dawson, M.D. and Gupta, J.A. and Aers, G.C. and Sproule, G.I. (2006) Thermal quenching mechanism of photoluminescence in 1.55 µm GaInNAsSb/Ga(N)As quantum-well structures. Applied Physics Letters, 89 (10). 101909. ISSN 0003-6951

Hopkins, J.M. and MacLean, A.J. and Burns, D. and Ng, J.S. and Hopkinson, M. and Calvez, S. and Sun, H.D. (2006) High performance 2.2um optically-pumped vertical external cavity surface emitting laser. In: Photon 06, 2006-09-04 - 2006-09-07.

Laurand, N. and Calvez, S. and Sun, H.D. and Dawson, M.D. and Gupta, J.A. and Aers, G.C. (2006) C-band emission from GaInNAsSbVCSEL on GaAS. Electronics Letters, 42 (1). pp. 29-30. ISSN 0013-5194

Kim, K.S. and Kim, T. and Park, Y.J. and Baek, S.I. and Kim, Y.W. and Sun, H.D. and Dawson, M.D. (2006) Characterization of MOVPE-grown GaInNAs quantum well with multi-barriers by Z-contrast imaging and SIMS. Journal of Crystal Growth, 287 (2). pp. 620-624. ISSN 0022-0248

Giet, S. and Sun, H.D. and Calvez, S. and Dawson, M.D. and Suomalainen, S. and Guina, M. and Okhotnikov, O. and Pessa, M. (2006) Spectral narrowing and locking of a vertical external cavity surface-emitting laser using an intracavity volume Bragg grating. IEEE Photonics Technology Letters, 18 (6). pp. 1786-1788. ISSN 1041-1135

Sun, H.D. and Calvez, S. and Dawson, M.D. and Gupta, J.A. and Sproule, G.I. and Wu, X. and Wasilewski, Z.R. (2006) Spectroscopic characterization of 1.5um GaInN(Sb)As/GaNAs quantum-well structures by molecular-beam epitaxy. In: International Conference on the Physics of Semiconductor 2006, 2006-07-01.

Qiu, Y.N. and Rorison, J.M. and Sun, H.D. and Calvez, S. and Dawson, M.D. and Bryce, A.C. (2005) Influence of composition diffusion on the band structures of InGaNAs/GaAs quantum wells investigated by the band-anticrossing model. Applied Physics Letters, 87 (23). 231112. ISSN 0003-6951

Sun, H.D. and Calvez, S. and Dawson, M.D. and Gupta, J.A. and Sproule, G.I. and Wasilewski, Z.R. and Wu, X. (2005) Role of Sb in the growth and optical properties of 1.55um GaInN(Sb)As/GaNAs quantum-well structures grown by molecular beam epitaxy. Applied Physics Letters, 87 (18). 181908. ISSN 0003-6951

Sun, H D and Clark, A H and Calvez, S and Dawson, M D and Shih, D K and Lin, H H (2005) Photoluminescence characterization of midinfrared InNxAs1-x/In0.53Ga0.47As/InP multiquantum wells with various N contents. Applied Physics Letters, 87 (8). -. 081908. ISSN 0003-6951

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Kim, K.S. and Kim, T. and Park, Y.J. (2005) Influence of strain-compensating and strain-mediating layers on the optical properties of mOVPE-grown GaInnAs single quantum-well structures. In: International Conference on Indium Phosphide and Related Materials, 2005-05-08 - 2005-05-12.

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Shih, D.K. and Lin, H.H. (2005) Photoluminescence properties of dilute nitride InNAs/InGaAs/InP multi-quantum wells for mid-infrared applications. In: International Conference on Indium Phosphide and Related Materials, 2005-05-08 - 2005-05-12.

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Qiu, Y.N. and Rorison, J.M. and Kim, K.S. and Kim, T. and Park, Y.J. (2005) Spectroscopic characterization of 1.3µm GaInNAs quantum-well structures grown by metal-organic vapor phase epitaxy. Applied Physics Letters, 86 (9). 092106. ISSN 0003-6951

Cerny, P. and Sun, H. and Burns, D. and Roy, U.N. and Burger, A.; (2005) Spectroscopic investigation and continuous-wave laser demonstration utilising single crystal cr2+:CdZnTe. In: Solid-State Photonics, Technical Digest. Optical Society of America.

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Gilet, P. and Grenouillet, L. and Million, A. (2005) Investigation of phase-separated electronic states in 1.5 mu m GaInNAs/GaAs heterostructures by optical spectroscopy. Journal of Applied Physics, 97 (3). 033517. ISSN 0021-8979

Sun, H.D. and Calvez, S. and Dawson, M.D. and Gilet, P. and Grenouillet, L. and Million, A. (2005) Photoluminescence characteristics of 1.5um Ga(1-x)InxNyAs(1-y) / GaAs structures grown by molecular beam epitaxy. Applied Physics A: Materials Science and Processing, 80 (1). pp. 9-12. ISSN 0947-8396

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Kim, K.S. and Kim, T. and Park, Y.J. (2005) Effect of multilayer barriers on the optical properties of GaInNAs single quantum-well structures grown by metalorganic vapor phase epitaxy. Applied Physics Letters, 87. pp. 1-3. 021903. ISSN 0003-6951

Hastie, J.E. and Calvez, S. and Sun, H.D. and Dawson, M.D. and Leinonen, T. and Pessa, M. (2005) High power continuous wave operation of a vertical external cavity surface emitting laser at 674nm. In: 20th Anniversary Meeting Advanced Solid-State Photonics (ASSP), 2005-02-06 - 2005-02-09.

Hastie, J.E. and Calvez, S. and Sun, H.D. and Dawson, M.D. and Leinonen, T. and Pessa, M. (2005) High power, continuous wave operation of a vertical external cavity surface emitting laser at 674nm. In: Advanced Solid-State Photonics 2005, 2005-02-06 - 2005-02-09.

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Shih, D.K. and Lin, H.H. (2005) Photoluminescence characterization of mid-infrared inNxAs1-x/In0.53Ga0.47/InP multiquantum wells with various n contents. Applied Physics Letters, 87. 081908. ISSN 0003-6951

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D.; (2005) Photoluminescence properties of dilute nitride InNAs/InGaAs/InP multi-quantum wells for mid-infrared applications. In: Proceedings of International Conference on Indium Phosphide and Related Materials, 2005. IEEE, pp. 267-268. ISBN 0-7803-8891-7

Smith, S.A. and Calvez, S. and Hopkins, J.M. and Hastie, J.E. and Kemp, A. and Sun, H.D. and Burns, D. and Dawson, M.D. (2005) Polarisation and modal characteristics of a 1.3µm diamond-microchip GaInNAs vertical external-cavity surface-emitting laser. In: Conference on Lasers and Electro-Optics Europe, 2005, 2005-06-12.

Sun, H.D. and Clark, A.H. and Liu, H.Y. and Hopkinson, M. and Calvez, S. and Dawson, M.D. (2004) Optical characteristics of 1.55µm GaInNAs multiple quantum wells. Applied Physics Letters, 85 (18). pp. 4013-4015. ISSN 0003-6951

Calvez, S. and Laurand, N. and Smith, S.A. and Clark, A.H. and Hopkins, J.M. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Kontinnen, J. and Pessa, M. (2004) 1.3-μm GaInNAs surface-normal devices. IEE Proceedings Optoelectronics, 151 (5). pp. 442-446. ISSN 1350-2433

Sun, H.D. and Macaluso, R. and Calvez, S. and Valentine, G.J. and Burns, D. and Dawson, M.D. and Gundogdu, K. and Hall, K.C. and Boggess, T.F. and Jouhti, T. and Pessa, M. (2004) Effects of rapid thermal annealing on the optical properties of low-loss 1.3um GaInNAs/GaAs saturable bragg reflectors. Journal of Applied Physics, 96 (3). pp. 1418-1424. ISSN 0021-8979

Calvez, S. and Hopkins, J.M. and Smith, S.A. and Clark, A.H. and Macaluso, R. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Pessa, M. and Gundogdu, K. and Hall, K.C. and Boggess, T.F. (2004) GaInNAs/GaAs Bragg-mirror-based structures for novel 1.3um device applications. Journal of Crystal Growth, 268 (3-4). pp. 457-465. ISSN 0022-0248

Clark, A.H. and Calvez, S. and Laurand, N. and Macaluso, R. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Kontinnen, J. and Pessa, M. (2004) Long-wavelength monolithic GaInNAs vertical-cavity optical amplifiers. IEEE Journal of Quantum Electronics, 40 (7). 878 -883. ISSN 0018-9197

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Liu, H.Y. and Hopkinson, M. and Navaretti, P. and Ng, J.S. and David, J.P.R. and Gilet, P. and Grenouillet, L. and Million, A. (2004) Investigations of 1.55µm GaInNAs/GaAs heterostructures by optical spectroscopy. IEE Proceedings Optoelectronics, 151 (5). pp. 331-334. ISSN 1350-2433

Calvez, S. and Laurand, N. and Smith, S.A. and Clark, A.H. and Hopkins, J.M. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Kontinnen, J. and Pessa, M. (2004) Novel 1.3um GaInNAs surface-normal devices. In: European Materials Research Society 2004 Spring Meeting, 2004-05-24 - 2004-05-28.

Sun, H D and Macaluso, R and Calvez, S and Dawson, M D and Robert, F and Bryce, A C and Marsh, J H and Riechert, H and Gilet, P and Grenouillet, L and Million, A (2003) Selective modification of the band gaps of GaInNas/GaAs structures by quantum well intermixing techniques. Materials Science and Engineering: C, 23 (6-8). pp. 983-987. ISSN 0928-4931

Dawson, M.D. and Calvez, S. and Pessa, M. and Sun, H.D. and Hopkins, J.M. and Smith, S.A. and Clark, A.H. and Macaluso, R. and Jouhti, T. and Gundogdu, K. and Hall, K.C. and Boggess, T.F. (2003) GaInNAs/GaAs Bragg mirror based structures for novel 1.3µm device applications. In: ICMAT 2003, Symposium H, Compound Semiconductors in Electronic an d Optoelectronic Applications, 2003-12-07 - 2003-12-12.

Sun, H.D. and Macaluso, R. and Calvez, S. and Dawson, M.D. and Robert, F. and Bryce, A.C. and Marsh, J.H. and Gilet, P. and Grenouillet, L. and Million, A. and Nam, K.B. and Lin, J.Y. and Jiang, H.X. (2003) Quantum well intermixing in GaInNAs/GaAs structures. Journal of Applied Physics, 94 (12). pp. 7581-7585. ISSN 0021-8979

Sun, H.D. and Macaluso, R. and Dawson, M.D. and Robert, F. and Bryce, A.C. and Marsh, J.H. and Riechert, H. (2003) Characterization of selective quantum well intermixing in 1.3um GaInNAs/GaAs structures. Journal of Applied Physics, 94 (3). pp. 1550-1556. ISSN 0021-8979

Valentine, G.J. and Sun, H.D. and Macaluso, R. and Calvez, S. and Burns, D. and Dawson, M.D. and Jouhti, T. and Pessa, M.; (2003) High-power picosecond quasi-CW 1.3µm ND-lasers passively modelocked using novel low-loss GaInNAs SBRs. In: Proceedings of the 2003 conference on lasers and electro-optics Europe (CLEO/Europe). IEEE, Piscataway, New Jersey, USA, p. 13. ISBN 0-7803-7734-6 (Unpublished)

Merlin, P. and Calvez, Stephane and Hopkins, John Mark and Sun, H.D. and Dawson, Martin D. and Jouhti, T. and Pessa, M. (2003) 1.3um /spl mu/m CW GaInNAs VCSEL giving 4.1mW of single transverse mode power. In: 2003 Conference on Lasers and Electro-Optics, 2003-06-22 - 2003-06-27.

Macaluso, R. and Sun, H.D. and Dawson, M.D. and Robert, F. and Bryce, A.C. and Marsh, J.H. and Riechert, H. (2003) Selective modification of band gap in GaInNAs/GaAs structures by quantum-well intermixing. Applied Physics Letters, 82 (24). pp. 4259-4261. ISSN 0003-6951

Yong, J.C.L. and Rorison, J.M. and Othman, M. and Sun, H.D. and Dawson, M.D. and Williams, K.A. (2003) Simulation of gain and modulation bandwidths of 1300nm RWG InGaAsN lasers. IEE Proceedings Optoelectronics, 150 (1). pp. 80-82. ISSN 1350-2433

Sun, H.D. and Dawson, M.D. and Othman, M. and Yong, J.C.L. and Rorison, J.M. and Gilet, P. and Grenouillet, L. and Million, A. (2003) Optical transitions in GaInNAs/GaAs multi-quantum wells with varying N content investigated by photoluminescence excitation spectroscopy. Applied Physics Letters, 82 (3). pp. 376-378. ISSN 0003-6951

Calvez, S. and Clark, A.H. and Hopkins, J.M. and Macaluso, R. and Merlin, P. and Sun, H.D. and Dawson, M.D. and Jouhti, T. IEEE, IEEE (2003) 1.3 micrometre GaInNAs monolithic vertical-cavity semiconductor optical amplifier. In: Indium Phosphide and Related Materials, 2003. International Conference on. IEEE, pp. 243-246. ISBN 0-7803-7704-4

Calvez, S. and Clark, A.H. and Hopkins, J.M. and Macaluso, R. and Merlin, P. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Pessa, M.; (2003) 1.3um GaInNAs monolithic vertical-cavity semiconductor optical amplifier. In: Proceedings of the International Conference on Indium Phosphide and Related Materials, 2003. IEEE, pp. 243-246. ISBN 0-7803-7704-4

Calvez, S. and Clark, A.H. and Hopkins, J.M. and Macaluso, R. and Merlin, P. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Pessa, M. (2003) 1.3um GaInNAs optically-pumped vertical cavity semiconductor optical amplifier. Electronics Letters, 39 (1). pp. 100-102. ISSN 0013-5194

Calvez, S. and Clark, A.H. and Hopkins, J.M. and Macaluso, R. and Merlin, P. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Pessa, M. (2003) Diode-pumped 1.3um GaInNAs vertical-cavity semiconductor optical amplifier. In: Semiconductor and integrated opto-electronics conference (SOIE), 2003-04-14 - 2003-04-16.

Sun, H.D. and Macaluso, R. and Calvez, S. and Dawson, M.D. and Robert, F. and Bryce, A.C. and Marsh, J.H. and Riechert, H. and Gilet, P. and Grenouillet, L. and Million, A. (2003) Quantum well intermixing in 1.3µm GaInNAs/GaAs structures. In: UNSPECIFIED. (Unpublished)

Calvez, S. and Clark, A.H. and Hopkins, J.M. and Merlin, P. and Sun, H.D. and Dawson, M.D. and Jouhti, T. and Pessa, M. (2002) Amplification and laser action in diode-pumped 1.3um GaInNAs vertical-cavity structures. In: 15th Annual Meeting of the IEEE-Lasers-and-Electro-Optics-Society, 2002-11-10 - 2002-11-14.

Sun, H.D. and Macaluso, R. and Calvez, S. and Valentine, G.J. and Burns, D. and Dawson, M.D. (2002) 1.3um GaInNAs/GaAs Bragg-mirror-based structures for passive mode-locking of solid-state and semiconductor lasers. In: International Workshop on the Physics and Technology of dilute Nitrides for Optical Communications, 2002-09-08 - 2002-09-12.

Sun, H.D. and Dawson, M.D. and Othman, M. and Yong, J.C.L. and Rorison, J.M. and Gilet, P. and Grenouillet, L. and Million, A. (2002) Influence of nitrogen on the electronic structure of gaInNAs/GaAs multiquantum wells: a PLE investigation. In: 26th International Conference on the Physics of Semiconductors, 2002-07-29 - 2002-08-02. (Unpublished)

Sun, H.D. and Hetterich, M. and Dawson, M.D. and Egorov, A.Y. and Bernklau, D. and Riechert, H. (2002) Optical investigations of GaInNAs/GaAs multi-quantum wells with low nitrogen content. Journal of Applied Physics, 92 (3). pp. 1380-1385. ISSN 0021-8979

Sun, H.D. and Valentine, G.J. and Macaluso, R. and Calvez, S. and Burns, D. and Dawson, M.D. and Jouhti, T. and Pessa, M. (2002) Low-loss 1.3um GaInNAs saturable bragg reflector for high-power picosecond neodymium lasers. Optics Letters, 27 (23). pp. 2124-2126. ISSN 0146-9592