From Single Atoms to Engineered “Super-Atoms”: Interfacing Photons and Atoms in Free Space

<div>A blue <svg height="11.4629pt" id="M416" style="vertical-align:-0.2130003pt" version="1.1" viewbox="-0.0498162 -11.2499 14.0974 11.4629" width="14.0974pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z" id="g113-240"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="565" vert-adv-y="565"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,7.657,-5.984)"><path d="M556 236V289H337V504H275V289H56V236H275V-4H337V236H556Z" id="g54-36"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="611" vert-adv-y="611"></glyph.data></g></svg>-polarized laser beam at 475 nm in combination with a <svg height="6.42315pt" id="M417" style="vertical-align:-0.2129903pt" version="1.1" viewbox="-0.0498162 -6.21016 8.13662 6.42315" width="8.13662pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M574 449L545 460C526 432 516 430 487 430C404 430 311 435 226 435C104 435 56 379 25 341L43 318C81 354 121 372 181 372C161 246 87 53 23 3L30 -12C48 -12 88 -4 113 11C157 75 207 248 232 371L386 367L326 109C321 86 318 66 318 50C318 4 339 -12 366 -12C410 -12 461 21 505 69L492 96C467 79 434 60 418 60C406 60 400 78 411 147C422 217 439 300 457 366C487 366 524 367 536 370C547 385 558 408 574 449Z" id="g113-238"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="591" vert-adv-y="591"></glyph.data></g></svg>-polarized infrared laser beam at 795 nm is used to drive a two-photon transition to a Rydberg state.</div>

Advances in Optics

fig14

Figure 14

Figure 14: From Single Atoms to Engineered “Super-Atoms”: Interfacing Photons and Atoms in Free Space 