سلام نزهان احمد

سلام نزهان ولد في بعقوبة 1971 , اكمل دراسة البكالوريوس في قسم ألفيزياء كلية العلوم \ الجامعة المستنصرية في عام 1998 والماجستير في اختصاص الفيزياء الالكترونية وأشباه الموصلات في كلية العلوم \ الجامعة المستنصرية في عام 2005 . حصل على شهادة الدكتوراه في اختصاص الكهروبصريات / نبائط اشباه موصلات اليزر من كلية الهندسة/ جامعة نورثمبريا- نيوكاسل/ المملكة المتحدة في 2016.التحق في مجموعة البحث العلمي في قسم الاتصالات وخصائص الليزر في كل من جامعتي بنكرِ/ ويلزوجامعة نورثمبريا/ انكلترا في اللمملكة المتحدة اثناء فترة دراسة الدكتوراه من 2011 الى 2016. اصبح عضو في جمعية الفيزيائيين العراقية في عام 2005 وعضو في الجمعية العالمية لمهندسي الكهرباء و الالكترونيك IEEE في عام 2013. تم اختياره كمقيم علمي في مؤتمرين عالميين في الصين وماليزيا و لديه اكثر من 14 بحث علمي منشور في مجلات عالمية رصينة مثل IEEE ,IOP, J.Phys.D and AIP ومؤتمرات عالمية. لديه اكثر من سبع مشاركات في مؤتمرات عالمية في لندن , البرتغال, االجيك,و تركيامجال بحثه يتركز في دراسة خصائص ليزر اشباه الموصلات واستخداماتها في انظمة الاتصالات الضوئية وحماية نقل المعلومات.

المواد التي يقوم بتدريسه :

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الجدول الاسبوعي:

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Patent
  1. Salam Nazhan, Jamal Adeeb, Yousuf KadierEfflorescence Evaluation in Clay Bricks by manufacturing a New Electronic Device based on Electrical Conductivity concept”

 


Conferences and Workshops Attendance
Science and Information Conference 2015, London UK; 07/2015

Northumbria University Research Conference; Newcastle upon Tyne, UK, 05/2015

4th International Workshop on Optical Wireless Communication, 07-08 September 2015, Istanbul, Turkey; 09/2015

9th IEEE, IET International Symposium on COMMUNICATION SYSTEMS, NETWORKS, AND DIGITAL SIGNAL PROCESSING – 23-25 July 2014, Manchester, UK; 07/2014

7th Opticwise MC/WG Meeting & 3rd International Workshop on Optical Wireless Communications 2014, Funchal, Madeira Island, Portugal; 09/2014

Northumbria University Research Conference; Newcastle upon Tyne, UK,

20/05/2014

 


Research papers

  1. Salam Nazhan and Zabih Ghassemlooy, “Antiphase chaotic synchronization enhancement in a vertical cavity surface emitting laser Applied Optics Vol. 58, Issue 35, pp. 9491-9497 (2019),

2.Salam Nazhan and Zabih Ghassemlooy, "Polarization output power stabilization of a vertical-cavity surface-emitting laser," J. Opt. Soc. Am. B 35, 1615-1619 (2018),

3. S. Nazhan and Z. Ghassemlooy, "Polarization Switching Dependence of VCSEL on Variable Polarization Optical Feedback," in IEEE Journal of Quantum Electronics, vol. 53, no. 4, pp. 1-7, Aug. 2017.doi: 10.1109/JQE.2017.2718550

4.Nazhan, S.; Ghassemlooy, Z.; Busawon, K.: “Harmonic distortion dependent on optical feedback, temperature and injection current in a vertical cavity surface emitting laser,” J. of Physics D: Applied Physics, 49 (14), pp. 145107, 10 March 2016   

5.Nazhan, S.; Ghassemlooy, Z.; Busawon, K.; Gholami, A., "Suppressing the nonlinearity of free running VCSEL using selective-optical feedback," IEEE Photonics Technology Letters, 28 (2), pp.185-188, 15 Jan. 2016

6.Nazhan, S.; Ghassemlooy, Z.; Busawon, K., “Chaos synchronization in vertical-cavity surface-emitting laser based on rotated polarization preserved  optical feedback,” Chaos: An Interdisciplinary Journal of Nonlinear Science, 26 (1), pp.013109, 2016

7.Nazhan, S., Ghassemlooy, Z., Busawon, K., and Gholami, A.: “Investigation of polarization switching of VCSEL subject to intensity modulated and optical feedback,” Optics & Laser Technology, 75, pp. 240-245, 2015
8.S. Nazhan,"Experimental investigation of anti-phase chaotic-synchronization dynamics of the polarization modes in VCSELs," 2018 1st International Scientific Conference of Engineering Sciences - 3rd Scientific Conference of Engineering Science (ISCES), Diyala, 2018, pp. 104-107

9.S. Nazhan, Z. Ghassemlooy, K. Busawon, A. Gholami and N. A. Cholan, "Chaotic signal dynamics of VCSEL for secure optical communication," 2016 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), Prague, Czech Republic, 2016, pp. 1-6. doi: 0.1109/CSNDSP.2016.7574012

10.Nazhan, S., Ghassemlooy, Z., Busawon, K., and Perez, J.: “Polarization RIN of VCSEL subject to modulation signal with variable polarization angle of optical feedback,” 4th Intern. Workshop on Optical Wireless Communications, 7-8 Sep. 2105, Ozyegin University, Istanbul, Turkey, pp. 65-88, 2015
11.Nazhan, S., Ghassemlooy, Z., Busawon, K., and Gholami, K.: “Variable-polarization optical feedback induced high-quality polarization-resolved chaos synchronization in VCSEL,” Science and Information Conf., (SAI), 2015, pp. 1052-1055, DOI: 10.1109/SAI.2015.7237272
12.Nazhan, S., Ghassemlooy, Z., and Busawon, K.: “Chaotic regime modulation in VCSEL based on Rotated Polarization-Preserved Optical Feedback,” Photonics global conference 2015, (PGC), 28 June to 03 July, Singapore
13.Nazhan, S., Ghassemlooy, Z., and Busawon, K.: “Polarization properties of Vertical-Cavity Surface-Emitting Lasers subject to variable polarization angle of optical feedback” Second Scientific Conference, Diyala, Iraq, 16 – 17 December 2015
14.Nazhan, S., Ghassemlooy, Z., and Busawon, K. “High-quality Chaos Synchronization in VCSEL polarization modes under Optical Feedback,” Proceeding of the Northumbria Research Conference, Newcastle, UK, 21-22 May 2015
15.Nazhan, S., Ghassemlooy, Z., and Busawon, K. “Investigation of current modulation effects on threshold current of an 850nm single-mode VCSEL,” Proceeding of the Northumbria Research Conference, Newcastle, UK, 21-22 May 2014.http://soe.northumbria.ac.uk/ocr/publications.html

16.Nazhan, S., Ghassemlooy, Z., and Busawon, K. “Relative Intensity Noise of Vertical-Cavity Surface-Emitting Lasers Subject to Variable Polarization-Optical Feedback” 3rd International Workshop in Optical Wireless Communications (IWOW),978-1-4799-6676-2014 IEEE DOI:10.1109/IWOW.2014.6950769.

17.Nazhan, S., Ghassemlooy, Z., Busawon, K., and Perez, J.: “Hysteresis properties induced by variable polarization angle in the polarization switching of VCSELs,” 9th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP), 23-25 July 2014, Manchester, UK, pp. 325 - 329
18.S.Nazhan, H. Shalal “Doping Profile Extraction of P-N Junction Diod using New Method” International Engineering Conference (IntEC2009) 11-18 May 2009. Damascus, Syria
19.S.NazhanInverse Modeling of p-n Junction Using C-V Measurement” Diyala Journal of Applied Researches, 2,pp. 77-83, Diyala University, 2006

 

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