MEMS Devices in Optical Systems

Journal Papers

  1. N. A. Riza, D. L. Polla, W. P. Robbins, and D. E. Glumac, “High Resolution 50 nm Linear Displacement Macroscale Meander-line PZT Actuator,” IEE Electronic Letters (U.K.), Vol.29, No.18, Sept. 02, 1993.

  2. N. A. Riza and Sarun Sumriddetchkajorn, “ Fault Tolerant Dense Multi-Wavelength Add/Drop Filter using a Two Dimensional Digital Micromirror Device, “ Applied Optics-LP, Vol. 37, Issue 27, Page 6355 (September 1998).

  3. N. A. Riza and Sarun Sumriddetchkajorn, “ Fault tolerant polarization insensitive photonic delay line architectures using Two Dimensional Digital Micromirror Devices,” Optics Communications , Vol. 160, pp.311-320, 15 Feb., 1999.

  4. N. A. Riza and Sarun Sumriddetchkajorn, “ Digitally controlled fault tolerant multiwavelength programmable fiber-optic attenuator using a two dimensional digital micromirror devices,” Optics Letters, Vol. 24, Issue 5, Page 282, March 1, 1999.

  5. N. A. Riza and S. Sumriddetchkajorn, “Small Tilt Micromirror Device-based Multiwavelength Three Dimensional 2 ´ 2 Fiber-Optic Switch Structures,” Optical Engineering, Vol.39, No.2, pp.379-386, Feb. 2000.

  6. N. A. Riza and S. Sumriddetchkajorn, “Versatile Multi-Wavelength Fiber-Optic Switch and Attenuator Structures using Mirror Manipulations,” Optics Communications, 169 (233-244), Oct.1, 1999.

  7. N. A. Riza, “Fault-tolerant high speed variable fiber-optic attenuator using micromirrors,”  Research Article Selected for the OSA Optics & Photonics News (OPN) Magazine, Optics in 1999 Special Issue, Dec., 1999.

  8. N. A. Riza and S. Sumriddetchkajorn, "Micromechanics-based wavelength-sensitive photonic beam control architectures and applications," Applied Optics, Vol. 39, No. 6, pp. 919-932,20 Feb. 2000.

  9. N. A. Riza and S. Sumriddetchkajorn, "Fault-tolerant variable fiber-optic attenuator using three dimensional beam spoiling," Optics Communications, Vo.185, 103-108, Nov.1, 2000.

  10. S. Sumriddetchkajorn and N. A. Riza, “Fault-tolerant three-port fiber-optic attenuator using small tilt micromirror device,” Optics Communications, April 2002, pp. 77-86.

  11. S. Sumriddetchkajorn and N. A. Riza, “Micro-Electro-Mechanical System-Based Digitally Controlled Optical Beam Profiler,” Applied Optics-LP, Vol. 41, Issue 18, Page 3506 (June 2002).

  12. N. A. Riza and M. J. Mughal, "Broadband optical equalizer using fault tolerant digital micromirrors," Optics Express Internet Journal,  Vol. 11, pp.1559-1565, June 30, 2003.  http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-13-1559

  13. N. A. Riza and Muzammil A. Arain, “Programmable Broadband Radio-Frequency Transversal Filter with Compact Fiber-Optics and Digital Microelectromechanical System-Based Optical Spectral Control,” Applied Optics, Vol.43, No.15, pp.3159-3165, May 2004.

  14. M. J. Mughal and N. A. Riza, “Variable fiber-optic attenuator using bulk micromachined deformable micromirror,” Optical Engineering, Vol.43, Oct.10 2004. (also on-line published in OE letters June 17, 2004. http://www.spie.org/app/Publications/journals/pdfs/OEL_04015_Online.pdf)

  15. N. A. Riza and Farzan N. Ghauri, “Hybrid Analog Digital MEMS Fiber Optic Variable Attenuator,” IEEE Photonic Technology Letters, Vol.17, No.1, pp. 124-126, Jan. 2005.

  16. N. A. Riza and Farzan N. Ghauri, “ Super resolution variable fiber-optic attenuation instrument using digital micromirror device,” AIP Review of Scientific Instruments Journal, Vol.76, No.1, 2005.

  17. N. A. Riza and Farzan N. Ghauri, “Super Resolution Hybrid Analog-Digital Optical Beam Profiler Using Digital Micro-Mirror Device,” IEEE Photon. Tech. Lett., Vol. 17, No.7, pp.1492-94, July 2005.

  18. M. A. Arain and N. A. Riza, “ Optoelectronic approach to adaptive radio frequency transversal filter implementation with negative coefficients by using optical spectrum shaping,” Applied Optics, Vol.45, No.11, 10 April 2006.

  19. S. A. Khan and N. A. Riza, “ Demonstration of a MEMS Digital Micromirror Device-based broadband reconfigurable optical add-drop filter for dense wavelength division multiplexing systems,” IEEE/OSA Journal of Lightwave Technology, to appear 2006.

  20. W. Sun, W. Noell, M. Zickar, M. J. Mughal, F. Perez, N. A. Riza and Nico F. De Rooij, “Design, Simulation, Fabrication, and Characterization of a Digital Variable Optical Attenuator,” to appear IEEE J. of MEMS, 2006.

 Patents

  1. N. A. Riza and D. L. Polla, “Micro-dynamical fiber-optic switch,” U.S.A. Patent No.5,208,880, May 4,   1993.

  2. N. A. Riza, “ Fault-tolerant fiber-optical beam control modules,” Patent No. 6,222,954, April 24, 2001.

  3. N. A. Riza, “ Multi-technology multi-beam-former platform for robust fiber-optical beam control modules,” Patent No. 6,525,863, Feb. 25, 2003.

  4. N. A. Riza, “High resolution fault-tolerant fiber-optical beam control modules,” Patent No. 6,563,974, May 13, 2003.

  5. N. A. Riza, “Digital optical beam profiler,” Patent No. 6,922,233, July 26, 2005.

  6. N. A. Riza, “Fault-tolerant fiber-optical multiwavelength processor,” Patent No. 6,859,578 B2, Feb. 22, 2005.