Delhi College of Engineering
University of Delhi
 

Dr. R.K. Sinha





Qualifications: M.Sc, Ph.D.

Specialisation: Fibre Optics & Optical Commn.

E-Mail: rksinha@dce.ac.in

Publications:

Books/Lecture Notes authored

  1. A.K. Sharma and R.K. Sinha, “Modern Electronic Communication: Principles and Practice”, a Book, published from Dhanpat Rai publishing Company, New Delhi , 1999
  3. R.K.Sinha , “Fiber Optics & Optoelectronics”, Lecture Notes: Distance Learning Program Unit, Birla Institute of Technology and Science, Pilani in Oct.1992
    R. K. Sinha & Shalini Garg, “Electron Waveguide based Interference Filter in multiple quantum well structure” Accepted for publication as a chapter in a book “Focus on Semiconductors Research” by Nova Science Publishers, NY USA to appear in September 2005.

Papers in Conferences/Conference Proceedings

  1. “Modal Analysis of Highly Birefringent Elliptical Core PCF from Scalar and Vectorial Effective Index Method “ Paper Number 6005-22, R. K. Sinha & Anshu D. Varshney, Accepted for presentation in the session of Photonic Crystal and Photonic Crystal Fiber for Sensing Applications in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
  2. “Estimation of Confinement Factor in Hetrostructure Quantum Well Lasers”, Paper 6013-30, R. K. Sinha & J. Prince BovasAccepted for presentation in the session of Optoelectronic Devices: Physics, Fabrication and Application-II in SPIE OPTICS EAST Symposium to be held at Boston , USA during October 23-26, 2005.
  3. “A Novel design of dispersion compensating Raman/Two stage EDFA hybrid Amplifier for L-band and U-Band”, Paper no. 6012-38, R. K. Sinha & Prashant Pankaj Baveja; Accepted for presentation in the session on Optical Transmission and Switching in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
  4. “Design of ultra compact polarization splitter based on Complete Photonic Bandgap Gap”, R. K. Sinha & Yogita Kalra; Paper Number 6005-11, Accepted for presentation in the session of Photonic Crystal and Photonic Crystal Fiber for Sensing Applications in SPIE OPTICS EAST Symposium to be held at Boston, USA during October 23-26, 2005.
  5. “Highly Birefringent Elliptical Core Photonic Crystal Fiber: Scalar and Vectorial Effective Index Method: Anshu D. Varshney & R.K.Sinha, Presented in International Workshop on Photonic Crystals : Fundamentals to Devices, July 7-8, 2005, Sydney , Australia .
  6. “Ultrashort coupler based on complete photonic bandgap structures”. R. K. Sinha & Yogita Nagpal, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics-2004
  7. “Effect of ellipticity on Photnic band gap in 2D Photonic crystals” ,Yogita Nagpal & R.K.Sinha, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics- 2004.
  8. “Modal analysis of Photonic Crystal Fiber by scalar and fully vectorial effective index methods” Anshu D Varshney, S. K. Varshney and R.K.Sinha, Accepted for oral presentation in the international conference- Photonics 2004, held at Cochin, India during Dec.9-11, 2004, appeared in the proceedings of Photonics-2004.
  9. “Ellipticity induced Photonic Bandgap Engineering in 2D photonic crystals”,Yogita Nagpal & R.K.Sinha , Accepted for presentation in Asia Pacific Microwave Conference held at Delhi during December 15-18, 2004, appeared in the proceedings of APMC-2004
  10. “Analysis of Rectangular /Elliptical Core Photonic Crystal Fibers”, S. K. Varshney, T. Iwai and R. K.Sinha, Proceedings of International Symposium of Photonic and Electromagnetic Crystal Structures, March 7-11, 2004 Kyoto ( Japan ) “Spectral response of Splice Loss in Photonic Crystal Fiber”, S.K.Varhsney, R.K.Sinha and T. Iwai, IEEE-Conference on Lasers and Electro Optics (CLEO)-2003, Taiwan , December 16-18, 2003.
  11. “Dispersion Compensating Photonic Crystal Fibers”, S.K.Varhsney, R.K.Sinha and T.Iwai, Proceedings of Optics Japan held during December 08-10, 2003. “Polarization Dependent Photonic Bandgap Directional Coupler”, Yogita Nagpal & R.K.Sinha , Proceeding of National Symposium on Advances in Microwaves & Light waves (NSAML), pp. held during October11-14, 2003 at Department of Electronic Science, University of Delhi , Delhi .
  12. “Dispersion Management in Photonic Crystal Fibers”, S.K. Varshney, M.P.Singh and R.K.Sinha , International conference Photonics-2002, held at TIFR Bombay, Dec 16-18, 2002.
  13. “A multiple quantum well electron wave interference filter”, Shalini Garg, R.K.Sinha and K.L.Deori, International conference Photonics-2002, held at TIFR Bombay, Dec 16-18, 2002.
  14. “Propagation Characteristics of Photonic Crystal Fibers”, An Effective Index Model”, R.K Sinha and S.K.Varhsney, Indo-Japanese Academic and Educational Conference (Organized by AIEJ-MONBUSHO Scholars Association of India, held during November 6-8, 2002, Delhi, India.
  15. “Bend loss properties of Photonic Crystal Fibers”, Shailendra K Varshney and R.K.Sinha, Proceedings of International Conference on Photonic Crystals Under Down, Australian National University, Canberra, Australia, 18-24 August 2002, page 23
  16. “Holey Fibers: Characterization, Splicing and Future Opportunities”, Shailendra K Varshney and R.K.Sinha, presented at National Conference organized by National Academy of Sciences, India, held at University of Pune during 2-5 Oct. 2001
  17. “Propagation Characteristics of Holey Fibers”, R.K. Sinha and S. K. Varshney, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001, 174 – 178
  18. “Coupling Characteristics of Electron wave guide Couplers” Shalini Garg, R.K.Sinha and K. L. Deori, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001,63 – 65
  19. “A Novel Wavelength Migration algorithm for DQDB Networks” M. Kulkarni, Abhishek Dhamma, R.K.Sinha, Proceedings of National Conference on Computer Devices (CODEC)- 2001; held at REC Jalandhar during Feb. 21-23, 2001,63 – 65 “Implementation of Multiwavelength Optical CDMA and Hybrid CDMA Systems”, R.K.Sinha, M. Kulkarni and Sachin Gulyani, Proceedings of International Conference on Fiber Optics & Photonics, PHOTONICS 2000, held at Calcutta, DEC. 2000,672 – 674
  20. “Optical Systems adopting Higher order Dispersion Compensation”, A. K. Sharma, R.K.Sinha and R.A. Aggrawal, Proceeding of International conference on Fiber Optics & Photonics, Photonics-98, Vol.1, held at IIT Delhi during Dec. 18-20, 1998, 312 – 316
  21. “Bit-Delay compensating Algorithm for a Byte wide WDM Optical systems”, A. K. Sharma and R.K. Sinha, International conference on Computers and Devices for Communication, CODEC-98 (Allied publishers ltd.), Jan.1998, 335-337
  22. “Coupling Characteristics of Quantum Well Couplers”, R.K.Sinha , IXth International Workshop on Physics of Semiconductor Devices, Delhi , Dec.1997
  23. “Accurate Estimation of Aspect ratio of Elliptical Core Optical Fibers from Far-Field measurements: Theory and Experiment”, R.K. Sinha , IEEE/LEOS-97 Proceeding, paper WG3, Nov. 1997 (Sanfranscico), USA, 45-46
  24. “Bit-Delay analysis of Duplex Byte wide WDM Optical link in the low Loss Transmission windows”, R.K.Sinha, A.K. Sharma and R.A. Aggrawal, Proceedings of International conference on Fiber Optics & Photonics, Photonics-96 held at IIT Madras (Chennai) India, Dec. 1996, 1257-1262
  25. “ Estimation of Bit-Delay among Byte wide WDM channels of an Optical Link in the 1.3 & 1.5 m m wavelength regions”, R.K. Sinha, A.K. Sharma and R.A.Aggrawal, XXIII National symposium of the Optical Society of India on Optics & Opto- Electronics IRDE- Raipur, Dehradun, March 14-16,1996, 113-114
  26. “High order Dispersion Penality analysis for dispersion compensating device using Differential time delay”, R.K. Sinha, A.K. Sharma and R.A. Aggrawal, XXIII National symposium of the Optical Society of India on Optics & Opto-Electronics IRDE- Raipur, Dehradun, March 14-16,1996. 31
  27. “Design & Development of PC based Optical Scanner for Character Recognition”, A. K. Sharma, R.K. Sinha & J.S. Saini, Presented and appeared in XXII National Symposium on Optics and Opto-Electronic Instrumentation under the auspices of The Optical Society of India held at CSIO, Chandigarh during March 29-31,1995, IX-A5-IX-A6
  28. “Lightwave propagation through Optical Fibers”: A Perspective on Optical Communications Systems”, R.K.Sinha, Proceedings of UGC seminar on Fiber Optics Technology and applications organized by BITS Pilani during Feb. 13-15,1993, 25-51
  29. “Coupling Characteristics of eight port couplers consisting of four highly elliptical Core fibers”, R.K.Sinha, Proceedings of national Symposium on Photonics and Integrated Optics, Optical society of India , IIT Bombay ( India ), April, 1991, pp.64.
  30. “Calculation of lifetime in Quantum well structure considering spatial variation of Effective mass”, R.K.Sinha, Technical report, paper presented in Seminar Group, Kobe University , ( Japan ), March 1991,
  31. “Characterization of Single Mode Rectangular Core Waveguides from Far-Field Radiation Patterns”, Arun Kumar, R.K.Sinha and M.R.Das, Proceedings of Symposium on Fiber Optic Applications, Bangalore ( India ), March 1987 (c)

Reports /articles authored

  1. R.K.Sinha , “Studies on Broadband Optical Communication Systems”, Final project Report to AICTE, New Delhi ; supported under R & D project grant (1996-98) submitted in Dec. 1998
  2. R.K. Sinha and Amit Garg, “A report on Erbium doped optical fiber amplifier”, Submitted to University Grants Commission through BITS Pilani, 1994
  3. R.K. Sinha , “Experimental Characterization and Simulation of Optical waveguides and Devices”, Project Report submitted to UGC through BITS Pilani, 1993,
  4. R.K. Sinha , “Quantum Well Lasers and Quantum size Optoelectronics Devices; A Report”, Submitted to the Ministry of Human Resource & Development Government of India in Oct. 1991.
  5. R.K. Sinha , “Fabrication and characterization of Integrated Optical waveguides-A Lab Manual”, Prepared for Applied Photonics Lab, ECE Department, IISc, Bangalore, India in Oct. 1991.

Research Papers in Journals/SPIE proceedings

  1. Design of Ultra compact Polarization Splitter based on the complete Photonic Band gap, Yogita Kalra & R.K.Sinha, Optical & Quantum Electronics (The Netherlands), Paper Number: OQEL268R1 (Accepted for Publication)
  2. Dispersion Properties of Photonic Crystal Fiber: Comparison by Scalar and fully Vectorial Effective Index Methods ”, R. K. Sinha & Anshu D. Varshney, Accepted for publication in Optical and Quantum Electronics (The Netherlands), Paper Number OQEL-S-04-00146
  3. “Modeling of Photonic Band gap Waveguide Couplers”, Yogita Nagpal and R. K. Sinha, Microwave and Optical Technology Letters ( USA ), Vol. 43, No.1, pp 47-50,October 2004
  4. “Spectral Response of Bend Loss in Photonic Crystal Fibers”, Shailendra K. Varshney and R. K. Sinha, International Journal of Laser Physics( Russia ), Vol.14, No.5, pp756-759, 2004
  5. ” Polarization dependent analysis of photonic crystal directional coupler”, Yogita Nagpal and R.K.Sinha Journal of Microwaves and Optoelectronics ( Brazil )’, Vol.3, No.4, April 2004
  6. “Improved small signal analysis for dispersive optical fiber communication systems”, Ajay K Sharma, R.K.Sinha, Shatendra K. Sharma, Sandeep K Arya and R. S. Kaler, Accepted for publication in the J. Optical Communications (Germany), Paper no. 847 appeared in JOC online-62, Vol. 5, 2004
  7. “Performance Evaluation of an Optical CDMA communication system based on statistical model” R. K. Sinha & Shalini Garg, Paper Number -919, accepted for publication in the Journal of Optical Communication, ( Germany ).
  8. Higher Order Pulse Dispersion and transmission limit to Optical Communication System, R. K. Sinha & B. Daruka Prasad Proceedings of SPIE Vol. 5281 (Optical Transmission, Switching and Subsystems), pp56-64, 2004
  9. “Dispersion Properties in Photonic Crystal Fibers”, R. K. Sinha and S.K. Varshney, Microwave and Optical Technology Letters ( USA ), Volume 37 (2), pp. 129-132, 2003 “Propagation Characteristics of Photonic Crystal Fibers”, Shailendra K Varshney, M. P. Singh and R.K.Sinha, Journal of Optical Communication ( Germany ), Vol.24, pp. 192-198, 2003.
  10. “Design of a thin film based optical filter for broadband multichannel communication systems”, R.K.Sinha, Shalini Garg and K.L.Deori, Czechoslovak Journal of Physics, No5/03, Vol.53, pp417-424, 2003
  11. “Design parameter of a tunable multiple quantum well electron wave filter” Shalini Garg, R.K.Sinha and K. L. Deori, Semiconductor Science and Technology, IOP (UK), Vol.18, pp 292-296, 2003
  12. “ Band Structure Computation of 1D Photonic Crystal “ S. K. Varshney, M.P. Singh and R.K.Sinha, Photonic West, SPIE Conference at San Jose, CA , USA, Paper Number 5000-19, during 25-31 January 2003.
  13. “Design Parameters of Multiple Quantum Well Interference filter” Shalini Garg, R. K. Sinha & K.L.Deori, Photonic West, SPIE Conference at San Jose, CA, USA, Paper Number 4986-82, during 25-31, January.2003
  14. “Propagation Characteristics of Photonic Crystal Fibers from effective index model”, R. K. Sinha & S.K. Varshney, Nano-Optics and Nanostructures, Proc. of SPIE. Vol. 4923, pp.106-113, September 2002.
  15. “Analysis of Loss mechanisms in Photonic Crystal Fibers”, R.K.Sinha and Shailendra K Varshney, Paper No. 4876B-74, Proceedings of SPIE’s International Conference Opto-Ireland 2002, held at Ireland , Vol. 4976, pp.416-423 September 2002
  16. “Estimation of Splice loss in Photonic Crystal Fibers”, R.K.Sinha and Shailendra K Varshney, Paper No. 4655-41, Proceedings of SPIE’s International Conference Photonic West-2002, held at san Jose, California, USA, Vol.. 4655, pp.296-302, 18-25 January 2002.
  17. “Characterization of Photonic Crystal Fibers from Far field measurements”, S. K.Varshney & R.K.Sinha , Journal of Microwave and Optoelectronics, Vol.2 No.2, pp32-42, 2002
  18. “Nanostructure Devices based on Electron Waveguides”, Shalini Garg, R.K.Sinha and K. L. Deori, IETE Technical Review (India), Vol. 19, No.5, pp 275-292, September-October 2002.
  19. “Bit rate distance product enhancement by compensating higher order dispersion”, Ajay K Sharma, R.K.Sinha, R. S. Kaler, S. Arya and Vinod Kapoor, Journal of Electronics and Telecommunication, Institution of Engineers (India), Vol. 83, July 2002
  20. “Power penalty analysis for realistic weight functions using differential time delay with higher-order dispersion”, R. S. Kaler, Ajay K Sharma, R.K.Sinha and T. S. Kamal, J. Optical Fiber Technology (USA), Vol. 8, (3), pp 240-255, July 2002.
  21. “Modeling of a bistable current switch in electron waveguides”, Shalini Garg, R.K.Sinha and K. L. Deori, J. Microwave and Optoelectronics (Brazil), Vol. 2 (5), pp. 45-51, June 2002
  22. “Design of Hybrid Fiber-optic network using 3-D optical code sequences” M. Chopra, M. Bhardwaj, M. Kulkarni, A. De & R.K.Sinha, Fiber & Integrated Optics (USA), Vol. 21(4), 2002. “Switching Characteristics of Voltage Controlled Electron Waveguides” Shalini Garg and R.K.Sinha, Science Letters, Journal of National Academy of Sciences , India , Vol.25 No.1&2, pp-36-39, 2002.
  23. “Analysis of Loss Mechanism in Photonic Crystal Fibers”, R.K.Sinha and Shailendra K. Varshney, Optics and Photonics Technologies and Applications, Proc. of SPIE. Vol. 4876, pp 416-422, 2002
  24. “ BER Performance Comparison of Optical CDMA Systems with/without Turbo codes” M. Kulkarni, Virender S. Chouhan, Yashpal Dutta & R. K. Sinha, Metro and Access Networks II, Proceedings of SPIE, Vol. 4908 , pp152-161, 2002
  25. “On differential time delay technique governing higher order dispersion Compensation” Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Optik (Germany), International journal for light and Electron, Vol. 11, pp. 310 – 314, 2000
  26. “Wavelength Division Multiplexing Systems and Networks” Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, IETE Technical Review ( India ), Vol.15, No.4, 1998, 235 – 250
  27. “Higher order Dispersion compensation By Differential Time Delay” Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Optical Fiber Technology (USA), Vol. 14, 1998,135 –143
  28. “Improved analysis of Dispersion compensation using differential time delay for high speed long span optical link”, Ajay K Sharma, R.K. Sinha and R.A. Aggrawal, Journal of Fiber & Integrated Optics (USA) Vol.16, No.4, 1997,415 – 426
  29. “Coupling Characteristics of 4x4 elliptical core waveguide couplers”, R.K.Sinha, Journal of fiber & Integrated Optics (USA), Vol. 15, No.2, 1996,125 – 133
  30. “Optical Solitons-A reality in Non-linear Optical fibers”, R.K. Sinha, Quanta ( India ), 1993, 5 – 9
  31. “Coupling Characteristics of eight port couplers consisting of four highly elliptical core fibers” R.K.Sinha, Optics, Journal of Optical Society of India, 1992, pp.64
  32. “Analysis of PSK Homodyne Receiver using 4 x 4 port coupler”, P.C. Subramniam and R.K. Sinha, International Journal of Optoelectronics (UK), Vol. 15 (4), 1990,355–362
  33. “Characterization of Single Mode Asymmetric waveguide from Far-Field Measurements” R.K.Sinha & S.I. Hosain, Journal of Optical Communications (Germany), Vol. 10, No. 3, 1989, 105 – 107
  34. “Coupling Characteristics of Eight Port Coupler consisting of four waveguides arranged rectangularly”, R. K. Varshney, R.K.Sinha and Arun Kumar, Optic Communication (The Netherlands),Vol.71, No.2,46– 48
  35. “Scalar Modes and Coupling characteristics of Eight Port waveguide Couplers”, R. K. Varshney, R.K.Sinha and Arun Kumar, IEEE/OSA Journal of Lightwave Technology (USA), 1989, Vol. 7, No. 2, 293 – 296
  36. “Characterization of Single Mode channel waveguides from Far-Field Measurement” Arun Kumar and R.K.Sinha, Optics Communications (The Netherlands) 1987, No. 2, Vol. 63, 89 – 93