COHERENT TIME-DOMAIN DATA-STORAGE WITH A SPREAD-SPECTRUM GENERATED BY RANDOM BIPHASE SHIFTING

被引：27

作者：

BAI, YS

KACHRU, R

机构：

[1] Molecular Physics Laboratory, SRI International, Menlo Park, CA

来源：

OPTICS LETTERS | 1993年 / 18卷 / 14期

关键词：

D O I：

10.1364/OL.18.001189

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report time-domain data storage of as much as 1.6 kbits at a rate of 40 Mbits/s in Eu3+:YOS. Use of a pseudorandom biphase shifting technique to spread the data spectrum proved to be of critical importance in preventing saturation of the transition by the long data pulse train. The experimentally inferred storage capacity, greater than or similar to 5 x 10(4) bits/spatial spot, plus the competitive single-channel throughput rate, demonstrate the potential of this optical memory.

引用

收藏

页码：1189 / 1191

页数：3

相关论文

共 15 条

[1] PHOTON ECHOES [J].

ABELLA, ID ;

KURNIT, NA ;

HARTMANN, SR .

PHYSICAL REVIEW, 1966, 141 (01) :391-&

[2] TIME-DOMAIN FREQUENCY-SELECTIVE OPTICAL-DATA STORAGE IN A SOLID-STATE MATERIAL [J].

BABBITT, WR ;

MOSSBERG, TW .

OPTICS COMMUNICATIONS, 1988, 65 (03) :185-188

[3] COHERENT TRANSIENT OPTICAL PULSE-SHAPE STORAGE RECALL USING FREQUENCY-SWEPT EXCITATION PULSES [J].

BAI, YS ;

BABBITT, WR ;

MOSSBERG, TW .

OPTICS LETTERS, 1986, 11 (11) :724-726

[4] NONEQUILIBRIUM RESONANT-PHONON-INDUCED EXCESS PHOTON-ECHO DEPHASING [J].

BAI, YS ;

KACHRU, R .

PHYSICAL REVIEW B, 1992, 46 (21) :13735-13738

[5]

EAVES JL, 1987, PRINCIPLES MODERN RA, pCH15

[6] SUPERRADIANT DAMPING AND ABSORPTION [J].

FRIEDBERG, R ;

HARTMANN, SR .

PHYSICS LETTERS A, 1971, A 37 (04) :285-+

[7] EXCESS DEPHASING IN PHOTON-ECHO EXPERIMENTS ARISING FROM EXCITATION-INDUCED ELECTRONIC LEVEL SHIFTS [J].

HUANG, J ;

ZHANG, JM ;

LEZAMA, A ;

MOSSBERG, TW .

PHYSICAL REVIEW LETTERS, 1989, 63 (01) :78-81

[8] BINARY 2/3 RATE CODE WITH FULL WORD LOOK-AHEAD [J].

JACOBY, GV ;

KOST, R .

IEEE TRANSACTIONS ON MAGNETICS, 1984, 20 (05) :709-714

[9] STORAGE LIMIT OF 2-PHOTON-BASED 3-DIMENSIONAL MEMORIES WITH PARALLEL ACCESS [J].

MARHIC, ME .

OPTICS LETTERS, 1991, 16 (16) :1272-1273

[10] TIME-DOMAIN AND FREQUENCY-DOMAIN HYBRID OPTICAL MEMORY - 1.6-KBIT DATA-STORAGE IN EU3+ - Y2SIO5 [J].

MITSUNAGA, M ;

YANO, R ;

UESUGI, N .

OPTICS LETTERS, 1991, 16 (23) :1890-1892