Picosecond all-optical polarization switching in InGaAsP MQW's at 1.52 mu m

J T  Hyland; G T  Kennedy; A  Miller; C C  Button

doi:10.1109/68.720280

Picosecond all-optical polarization switching in InGaAsP MQW's at 1.52 mu m

J T Hyland, G T Kennedy, A Miller, C C Button

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

An all-optical switch operating at a wavelength of 1.52 mu m is demonstrated. The switch makes use of electron spin polarization in a multiple-quantum-well semiconductor structure. The polarization change of a signal beam was observed to recover with a time constant of 20 ps determined by the spin relaxation time.

Original language	English
Pages (from-to)	1419-1421
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	10
Issue number	10
DOIs	https://doi.org/10.1109/68.720280
Publication status	Published - Oct 1998

Keywords

excitons
optical communications
optical switches
quantum wells
ultrafast optics
QUANTUM-WELL ETALON
GATE
RELAXATION
ROTATION

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title = "Picosecond all-optical polarization switching in InGaAsP MQW's at 1.52 mu m",

abstract = "An all-optical switch operating at a wavelength of 1.52 mu m is demonstrated. The switch makes use of electron spin polarization in a multiple-quantum-well semiconductor structure. The polarization change of a signal beam was observed to recover with a time constant of 20 ps determined by the spin relaxation time.",

keywords = "excitons, optical communications, optical switches, quantum wells, ultrafast optics, QUANTUM-WELL ETALON, GATE, RELAXATION, ROTATION",

author = "Hyland, {J T} and Kennedy, {G T} and A Miller and Button, {C C}",

year = "1998",

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language = "English",

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journal = "IEEE Photonics Technology Letters",

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T1 - Picosecond all-optical polarization switching in InGaAsP MQW's at 1.52 mu m

AU - Hyland, J T

AU - Kennedy, G T

AU - Miller, A

AU - Button, C C

PY - 1998/10

Y1 - 1998/10

N2 - An all-optical switch operating at a wavelength of 1.52 mu m is demonstrated. The switch makes use of electron spin polarization in a multiple-quantum-well semiconductor structure. The polarization change of a signal beam was observed to recover with a time constant of 20 ps determined by the spin relaxation time.

AB - An all-optical switch operating at a wavelength of 1.52 mu m is demonstrated. The switch makes use of electron spin polarization in a multiple-quantum-well semiconductor structure. The polarization change of a signal beam was observed to recover with a time constant of 20 ps determined by the spin relaxation time.

KW - excitons

KW - optical communications

KW - optical switches

KW - quantum wells

KW - ultrafast optics

KW - QUANTUM-WELL ETALON

KW - GATE

KW - RELAXATION

KW - ROTATION

U2 - 10.1109/68.720280

DO - 10.1109/68.720280

M3 - Article

SN - 1041-1135

VL - 10

SP - 1419

EP - 1421

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 10

ER -

Picosecond all-optical polarization switching in InGaAsP MQW's at 1.52 mu m

Abstract

Keywords

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