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SUMMARY:Diamond Nanophotonics
DTSTART:20160527T151500
DTSTAMP:20260407T095609Z
UID:1b3f97596a7487e5830a93462d01d67b8c50e1127deceda04c356f6a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Marko Loncar\nJohn A. Paulson School of Engineering and 
 Applied Science\, Harvard University\nDiamond possesses remarkable physica
 l and chemical properties\, and in many ways is the ultimate engineering m
 aterial. For example\, it is transparent from the ultra-violet to infrared
 \, has a high refractive index (n = 2.4)\, strong optical nonlinearity (Ke
 rr and Raman) and a wide variety of light-emitting defects. These properti
 es make diamond a highly desirable material for many applications\, includ
 ing those in quantum and nonlinear photonics\, high power optics and optom
 echanics.\nIn my talk\, I will review the advances in nanotechnology that 
 have enabled fabrication of nanoscale optical devices and chip-scale syste
 ms in diamond [1\, 2]. Using these approaches we were able to demonstrate 
 high-Q factor diamond photonic crystal cavities [3]\, frequency combs [4]\
 , and Raman lasers [5]. In my talk\, I will discuss our ongoing efforts ai
 med at realization of on-chip frequency combs operating in visible wavelen
 gth range. Another exciting application of diamond is in the field of quan
 tum information science and technology. At the heart of these applications
  are diamond’s luminescent defects—color centers—and the nitrogen-va
 cancy (NV) and silicon-vacancy (SiV) color center in particular. These ato
 mic systems in the solid-state possesses all the essential elements for qu
 antum technology\, including storage\, logic\, and communication of quantu
 m information. Recent efforts aimed at coupling of NV [6] and SiV [7] colo
 r centers to photonic crystal cavities will be presented. Our ongoing effo
 rts towards achieving strong spin-strain interaction between color centers
  embedded inside diamond NEMS [8\,9] and optomechanical crystals [10] will
  also be reviewed. \nReferences:\n[1]       B. J. M. Hausmann\, et 
 al\, "Integrated Diamond Networks for Quantum Nanophotonics"\, Nano Letter
 s\, 12\, 1578 (2012)\n[2]       M.J. Burek\, et al\, “Free-standin
 g mechanical and photonic nanostructures in single-crystal diamond”\, Na
 no Lett.\, 12\, 6084 (2012)\n[3]       M. Burek\, Y. Chu\, M. Liddy\
 , P. Patel\, J. Rochman\, W. Hong\, Q. Quan\, M. D. Lukin\, M. Loncar\, 
 “High-Q optical nanocavities in bulk single-crystal diamond”\, Nat. Co
 mm.\, 5\, 5718 (2014)\n[4]       B. J. M. Hausmann et al\, "Diamond 
 Nonlinear Photonics"\, Nature Photonics\, 8\, 369 (2014)\n[5]       
 P. Latawiec et al\, “On-Chip Diamond Raman Laser” to appear in Optica 
 (arXiv: 1509.00373\n[6]       B. J. M. Hausmann\, et al\, “Couplin
 g of NV centers to photonic crystal nanobeams in diamond”\, Nano letters
 \, 13\, 5791-5796 (2013)\n[7]       A. Sipahigil et al\, “Quantum 
 optical switch controlled by a color center in a diamond nanocavity”\, s
 ubmitted\;\n[8]       Y. I. Sohn et al\, “Dynamic Actuation of Sin
 gle-Crystal Diamond Nanobeams.” Applied Physics Letters\, 107\, 243106 (
 2015).\n[9]       S. Meesala et al\, “Enhanced strain coupling of 
 nitrogen vacancy spins to nanoscale diamond cantilevers.” Phys. Rev. App
 lied\, 5\, 034010 (2016)\n[10]     M. J. Burek\, et al\, “Diamond op
 tomechanical crystals.” arXiv:1512.04166 (2015)
LOCATION:The Aquarium (CE5) 
STATUS:CONFIRMED
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