INTUITIVE MODEL TO INCLUDE THE EFFECT OF FREE-CARRIER ABSORPTION IN CALCULATING THE 2-PHOTON ABSORPTION-COEFFICIENT

被引:21
作者
LAUGHTON, FR [1 ]
MARSH, JH [1 ]
ROBERTS, JS [1 ]
机构
[1] UNIV SHEFFIELD,DEPT ELECTR & ELECT ENGN,SHEFFIELD S1 3JD,S YORKSHIRE,ENGLAND
关键词
D O I
10.1063/1.106980
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report a simple model to include the effect of free-carrier absorption (FCA) in calculating the two-photon absorption (TPA) coefficient, beta, and demonstrate its use in evaluating beta from nonlinear transmission experiments. When only linear absorption and TPA are considered and the experimental analysis is carried out in the usual way, beta is calculated to be 2.0 and 2.7 X 10(-10) m W-1 for TM and TE polarizations, respectively. Including the effect of FCA in the waveguide, the model predicts beta to be 1.5 and 2.0 X 10(-10) m W-1 for TM and TE polarizations, respectively.
引用
收藏
页码:166 / 168
页数:3
相关论文
共 7 条
  • [1] ROLE OF 2-PHOTON ABSORPTION IN ULTRAFAST SEMICONDUCTOR OPTICAL SWITCHING DEVICES
    AITCHISON, JS
    OLIVER, MK
    KAPON, E
    COLAS, E
    SMITH, PWE
    [J]. APPLIED PHYSICS LETTERS, 1990, 56 (14) : 1305 - 1307
  • [2] 2-PHOTON ABSORPTION IN SEMICONDUCTORS WITH PICOSECOND LASER-PULSES
    BECHTEL, JH
    SMITH, WL
    [J]. PHYSICAL REVIEW B, 1976, 13 (08) : 3515 - 3522
  • [3] LIMITATIONS TO ALL-OPTICAL SWITCHING USING NONLINEAR COUPLERS IN THE PRESENCE OF LINEAR AND NONLINEAR ABSORPTION AND SATURATION
    CAGLIOTI, E
    TRILLO, S
    WABNITZ, S
    STEGEMAN, GI
    [J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1988, 5 (02) : 472 - 482
  • [4] MEASUREMENT OF THE 2-PHOTON ABSORPTION-COEFFICIENT IN A GAAS/ALGAAS QUANTUM-WELL LASER
    LE, HQ
    CHOI, HK
    WANG, CA
    [J]. APPLIED PHYSICS LETTERS, 1990, 57 (03) : 212 - 214
  • [5] 2-PHOTON ABSORPTION AS A LIMITATION TO ALL-OPTICAL SWITCHING
    MIZRAHI, V
    DELONG, KW
    STEGEMAN, GI
    SAIFI, MA
    ANDREJCO, MJ
    [J]. OPTICS LETTERS, 1989, 14 (20) : 1140 - 1142
  • [6] 2 PHOTON-ABSORPTION, NONLINEAR REFRACTION, AND OPTICAL LIMITING IN SEMICONDUCTORS
    VANSTRYLAND, EW
    VANHERZEELE, H
    WOODALL, MA
    SOILEAU, MJ
    SMIRL, AL
    GUHA, S
    BOGGESS, TF
    [J]. OPTICAL ENGINEERING, 1985, 24 (04) : 613 - 623
  • [7] 2-PHOTON ABSORPTION IN IN1-X-YGAXALYAS INP WAVE-GUIDES AT COMMUNICATIONS WAVELENGTHS
    VILLENEUVE, A
    SUNDHEIMER, M
    FINLAYSON, N
    STEGEMAN, GI
    MORASCA, S
    RIGO, C
    CALVANI, R
    DEBERNARDI, C
    [J]. APPLIED PHYSICS LETTERS, 1990, 56 (19) : 1865 - 1867