
r, and Opti Physics nagnetic 186 RLE Progress Report Number 140 4 4 4 1 4 >4 44< ~ 44> ~44 >44>44~4 ~4< , 4>~4. ~ V4 <4q44A~~4> ~444>~ >4" 4 4 ~4"4w4 ~ ~>i2iIii:,i2 :~:~4~4<> 44>~44~ 4 ~4>4~>444> 4;<4 4 ~4"4~4>4 4 >4A;> 4>4A;44444i 44; '4<' 4 / 44 <~>444 4);> >> 44444444444>4~9 44444<4 44>;4~>~ 444 44444 444444<4444.. >444.4..44 >44444< 44~4.44>4> 4;4 4>44 2>:4:::: 44 44444 4;>>4 4;>'> ~ 4 444444>7>44 ~/4 >44<444 44/4>444 44 ;>.);>4444444>44>44444>4'>44>4~~44444444~>44>4~444444 4 4 44>4 44 ~ 44>444444>444>44444444.4 44444444* .444>4444>4...>44444>444444;4; 4 >~<>4>4>4 ~ 4 4 4 44444 >4 4444444;>444444~4 4444444.....4.4444444 4>4>4444 4444>44444444444> 4 4444444444 44 4444>4<444,4444.444444444444.4. >4 >44.44444>4.44444... 44 '>444>44 444>4>4 44~44.>444 44.4>4>444444444444>444>44444 >4 444 44444>4444444444>444444444 44444>4>4444>44>444 444444..444.44..4444....4444444444> 4.4444444 >44>4>44.>>44<' >44' > 444 44444>444>4.>444;4444. 44444.4.4 444<4>44~j44444;44 4., >4444444444444444444>44>4444444 44'> 444444 4444444444444>4.44>444>444>4444>44444> 444<44 4< >~< 4444 444>4<44444~>4> ..>44>,,.,,4>4> 4 444444>4>>4444444 >~44 ~44>4>,~ 444444444444 44 4>;>>44>>4 ..4.444.444.444444444>44>444>444444>4 444444 >~4>4 <~4~ 4< ~ >4444444444 4>4>44>~>~>44444444>44>44>44>444444444 .4 44>;>4g74>4 44/4 4>444444444<4>44444 4>4>444.4>4.4 44~ > .4444444.44>44 :>:~ 1443444444>4444>444>4.4>4>4 44>4 ~ <4>4444444444444444444444444444444444444>4,4444444 >444444 44>444444444.4.4444.444. 44>;4>4>4.44.444444444444444444444,444<4444>4444>4,44>4444444 44>4>4444 444 >4>4 444444444 44444<4>4>4>4j>4>4444><>4 >4>~~4<~<>4<A 4>4 444444444,444,4444> 4444<4.44444>4~4.44A4~4 444444/4444444 44444 >4 44<44444 4444444444<44444444444444444>444, 44>4>4>4>4 > 4>4444444;44>4>44;>44>~444 4>444>44444>4444444>4444.44444444'>4444,444.................444444 444>444>4444>44444444>44 4.44444>444474~44A4444 ~.~'44~:44442424444~ 4>44>4 444444444>444444 4>~ <>4x 44444444444 ~ <>444>4444>44>4.4444,444 4<>4>444 444>4>444 44>444< 444444> 44>4,444444/4444444>4~> 444,44,44>4>4444>44444444>4 44444444444444 44444444444444444444>4444 4444>444444>444444>44>4. .. 44444 44444>4>444444>444>4.44444 >4 4444 44 4>44;44444444>44>4.44j~>4444444444;:44,4>, >44> 444444>~~ 444<444444>4 >4<,~ ~:::;'> 444444> >~>~~> 4444 4444 > ~>. .>4.>4<4. .4<~4<~4><4>44444>44444444.4.444444>44444444444444 4 44444444444>4 44>4 44444444;4,44444444>444;>44.44>4.44444444> 4>44444 > >44>4>4>444>4,44,44> ">4~~ <>444 ~>:j>> 444>4 4444>4> 4444>4>4>4,4<> 444>4444>44444>44444>444<444>4>4>>> '4~2~+4~i4~ ~ ,> ~ ~ 4444/4>444< 44444444 444 444>.4>4444444>44444444~4.4444444444.4;> 444444444>444 ~>~~:4 4;> 444 ,444~,74>744444444444444 44 4444444>444>4.4> 44>4444>44 44,44>4>4>444444>4444>444444444447444444>444>4/44>444:44>444444>> 4444444444.4 4444444444>44444' 4 4 >4 .4,4444>44>44.444444 ~> ...>4444444..44.44, 444>444444444>4444 4 4 44>4444444.44.4>44444>444/44>4444444444 4>> 4<~ >~44>4 >44>4>444 444/44>44444444444 4>4>44.4>4~ ><~ /44::7>~>~44>/4~>4 4 4>, > ~ 44<444<44>44>44< >4~ >4,~>4>,, :2:2~1 ; ~4>444444'>4>4.<>>> 444444 4> > 7 4 . > ;>~;> 444 4>44444 4>44 44>4.444>44> .4.4444.44>44 444444444444 '>444 >444444>444>44>4 444444444.44 444>~I>4;.>7>~ 4; >4>444.444444.4 4 44 44 4 4 4>44 4>444444 444444444 4444< ,, 444<;;4444~44444444444444>44> ~>4~> >444 4 4 4 4 >4;> 4 44 44444>444444444444444444.444444444444>.>444444;4444..~ 4>4444>4 4 44 44>444>444 4 4 44 44<444 4 44>44 44444 44444444 4 4444.44> 4~444444444444444 44 4 44 >4444 44444>44444 44444444>4 <4>444444 4,444>444 4 4 >4444444444444>~ 4 44/444 4.44 44 44 4444 44> >4,,4~ 4 4 44>44 4>4444>4444 44 44/44>44 44 444444>44 44>4444> 44 4444 4>44~44 >4 44>4;>444>4 44 44444<444>4444 4>4444>44444>44 >4;>>~4 4 44444444444 4 444444 444.444444>4>444 ~4>4444 4'> 44 444 4> 44 44 444444 44>7~744~44 '>>>4<4>f>744~~ 4>4 4 444>4>44444444 4444 444444;4 4 44 >4444 ,4444 44444444>4>4>4 44444 >4444 4 >4 4<444 >44 444444444444444444444444444444/4444444444.44.4 ::.4:2.:j/44444/44.44444444i> 444>44444>44444 44 4444>4<44 4444444444~ 4 4 . '444.4>:444;444>;444.4444.4>4444444 444444444444444444 44>,~4444>444444444>44>4444444444444..4..4444444>4>444>44>4444444444>444444 4444>44>;> 4444> 444.44444 44>,,>><4>~ >4 44444444444444444444444>444444444>44444444444444444 44 4 >4>4>4 44444>444>444 44 44>4>44> 444>4444>44444<4444~,>4444>444444,44, 44444 444.44444444>4>4.. >44>4>44444 44444444>4 4 44>4444444>44>444444444444444>444444444>444.44444 >4444444>44444444444444444444444444444/4444./444444444444444.44>44>44444.444.4444444444 ~444444444444/44444>4>444); >444>4>. 4 4444444444444444'>... 4>4444>44444444 4444444 44>444>444444>4.444>444444 44444444/47>~>444444444I4>444~44~4,,,>/4/4444;>4,>/444>444444/44444444 4444444444444444,, 4444444>444444444 4/4>4444 4444444444444444444 7,4>44/44/44,4444444444 444444>444444444444444. 44>4444444444.44444444>44 >4>4<4..44444444/4444444>44.44>4<4>........4444444>4444/4 444444444444444444444444444 444>44444.4.4444444 4 4 4 4 ,44444444..4.44.44.44444.4 4444 44444.4444444444,44>.44444 44 ~<4>~>4>4M>4>4 4>~ ;>:44 >4>41>.4444444>444444444>4444444444444 444444444444444~4>4444444444444444444;>44444444444 44~444;;;4~4:4< ~~> ~~<> > ~,>~744.'>.444>44>4~>44444444/ 4>4 4444444444444444>4 44444444444444444444>44444444444444 4444 >444>4444 >~~ ,~; 4 >44 >;>4 444 44> 4444444~4 4444444 44444>444444444444>4444.4444>4444>444/4>44444>44>44.444>4>44>4444444444444444444444444 444444444444444444> 4444444;4.44444>/4444444'>444444444444444444444444~>4 4444>44i 4 4 4 ~444444:.>.>4> 4444,~/4~44444444444444444444 j444>>4444444 >4 4.>44444>44<>44444444>4444444444;444;444/4444444>444444 4/44.44>4444>4444~4444>4;>4>4>4.444>.4444>444. 44 >4444 4>444444>4444444j~$>44 4444444>44............ ~ 444>44444>4 4444444444444>4444>4>4>444>4>.4444444~4 44 >44 4444>4>,44~44~>~4 ~>~~ : 444 44>4~44j~4; ~> 4,4444>4> 44444444444>444 44444/44~> 444444>44444444444444444444/444>4444>444>4444444 <>444>4444>44444>4444>444444>44444 44444 >4;>44444 >4> > 4444~> 444444444>4>4>4444444>4444444>4444444>444>4444<44>4444..>44/4,44444444>44~ 4444 4jI4444444~4444r4444444>44444A444<;444444&~~ ~*44~4~4~ / 4>44444/> 4 444444444>4 ~ '>k>4444>44,4>444444>4>4>4444 188 RLE Progress Report Number 140 Chapter 1. Quantum Optics and Photonics Chapter 1. Quantum Optics and Photonics Academic and Research Staff Professor Shaoul Ezekiel, Dr. Selim M. Shahriar, Dr. Byoung S. Ham, Dr. Xiao-Wei Xia, Dr. Stephen P. Smith. Dr. Venkatapuram S. Sudarshanam Visiting Scientists and Research Affiliates Dr. M. Cronin-Golomb, Dr. Timothy T. Grove, Dr. Philip R. Hemmer, Dr. Christopher K.Y. Leung, Dr. Mara G. Prentiss, Michelle Henrion, John D. Kierstead Graduate Students Michael Bock, Jeffrey A. Bowers, John Donoghue, Niell G. Elvin, Yuli Friedman, Darren Hsiung, Jacob A. Morz- inski, Ying Tan, Lily Wong Undergraduate Students Alex Bernstein, Beng-Teck Lim 1.1 Polarization Selective Motional tems. In order to avoid absorption losses, it was nec- Holeburning for High-Efficiency, essary to operate off-resonance, thus requiring a Degenerate Optical Phase very high intensity. Conjugation in Rubidium To circumvent this problem, we previously demon- 2 strated the use of coherent population trapping Sponsors (CPT) as a mechanism for creating a large nonlinear- U.S. Air Force - Office of Scientific Research/ ity using low power. This technique allows one to AASERT obtain a suitable combination of pump power and speed. For Grant F49620-96-1-0308 example, we demonstrated in sodium vapor 3 a conjugate at the pump intensity of 1 W/cm U.S. Air Force - Research Laboratory with reflectivity greater than 50 and a response time Grant F30602-97-C-0136 of less than 1 ps. As an application, we have also Optical phase conjugation (OPC) is of interest for used this conjugator to compensate for aberrations many applications such as optical resonators, high- caused by high-speed turbulence. 4 While this conju- speed turbulence correction, and the production of gator performed well, it required a large detuning the squeezed vacuum state. In the interest of practi- between the pump and the probe beams, represent- cal implementation of OPC, a great deal of work has ing a serious impediment to extending this technique been done in the search for materials that have a fast to other resonant media. response time, high gain, and a low power require- ment. One promising candidate is an atomic vapor, To eliminate this constraint, we reproduced the CPT- because of the high degree of nonlinearity near reso- based conjugator using Zeeman sublevels of a single nance. Early efforts at performing OPC in a vapor hyperfine ground state and polarized light.' This were designed to treat the atoms as two-level sys- experiment used rubidium and matched the sodium system in performance.
Details
-
File Typepdf
-
Upload Time-
-
Content LanguagesEnglish
-
Upload UserAnonymous/Not logged-in
-
File Pages22 Page
-
File Size-