1. MW 3:10 - 4:25 PMFeatheringill 300 Professor Sharon Weiss Timeline of Important Events Related to the Development of the Photonic Crystal Research Area

2. 1873 Maxwell’s electromagnetic theory published [Treatise on Electricity and Magnetism]

3. 1940s Development of multilayer filters expedited by WWII (these are first “1-D photonic crystals” although they were not named as such at the time)

4. 1977 P. Yeh published general theory of electromagnetic propagation in periodic optical structures [P. Yeh et al., J. Opt. Soc. Am. 67, 423 (1977)] 2005 Edition Book

5. 1979 “Photon energy-band structure” name first used [K. Ohtaka, Phys. Rev. B 19, 5057 (1979)]

6. 1987 E. Yablonovitch and S. John write seminal papers introducing concept of photonic band gap as it is know today [E. Yablonovitch, Phys. Rev. Lett. 58, 2059 (1987) & S. John, Phys. Rev. Lett. 58, 2486 (1987)]

7. 1991 E. Yablonovitch first demonstrates 3-D photonic crystal in microwave region [E. Yablonovitch et al., Phys. Rev. Lett. 67, 2295 (1991)]

8. 1996 First 3-D photonic crystal in GaAs with band gap near 1.5  m fabricated [C. C. Cheng et al., Physica Scripta T68, 17 (1996)]

9. 1996 First demonstration of superprism effect in photonic crystals on the millimeter scale [S.Y. Lin et al., Opt. Lett. 21, 1771 (1996)]

10. 1997 Demonstration of 1-D photonic crystal waveguide near 1.5  m [J.S. Foresi et al., Nature 390, 143 (1997)]

11. 1998 Guiding and bending of light in a 2-D photonic crystal waveguide shown experimentally on the millimeter scale [S.Y. Lin et al., Science 282, 274 (1998)]

12. 1998 Demonstration of superprism phenomenon in photonic crystals in near-IR region [H. Kosaka et al., Phys. Rev. B 58, R10096 (1998)]

13. 1999 Photonic crystal fiber formed [R.F. Cregan et al., Science 285, 1537 (1999)]

14. 1999 Demonstration of silicon-based 2-D photonic crystal near 1.5  m [S. Rowson et al., J. Lighwave Tech. 17, 1989 (1999)]

15. 1999 3-D photonic band gap shown near 1.5  m in lithographically formed silicon-based photonic crystal [S.Y. Lin and J.G. Fleming, J. Lightwave Tech. 17, 1944 (1999)]

16. 1999 Demonstration of photonic crystal laser near 1.5  m [O.J. Painter et al., J. Lightwave Tech. 17, 2082 (1999)]

17. 2000 Silicon inverse opal with a complete 3-D photonic band gap near 1.5  m synthesized [A. Blanco et al., Nature 405, 437 (2000)]

18. 2000 Waveguiding in 2-D silicon photonic crystal demonstrated near 1.5  m [Loncar et al., Appl. Phys. Lett. 77 1937 (2000)]

19. 2000 Number of publications related to photonics crystals increases dramatically

20. 2003 Photonic crystal laser s for chemical detection demonstrated [M. Loncar et al., Appl. Phys. Lett. 82, 4648 (2003]

21. 2003 Channel drop filters demonstrated in silicon-based 2-D photonic crystals [Y. Akahane et al., Appl. Phys. Lett. 83, 1512 (2003)]

22. 2005 Highest reported photonic crystal Q-factor of 6 x 10 5 achieved based on nanocavity fabricated in a silicon- based 2-D photonic crystal slab [B. S. Song et al., Nature Materials 4, 207 (2005]