Tunable multiple-quantum-well distributed-Bragg-reflector lasers as tunable narrowband receivers

Thomas L Koch, F. S. Choa, F. Heismann, U. Koren

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

We report a tunable receiver based on a MQW-DBR laser biased just below threshold. The device simultaneously integrates the functions of a tunable filter, optical amplifier, photodetector and, if desired, an FSK discriminator. Using identical devices for a transmitter and a receiver, we demonstrate FSK transmission up to 250 Mbit/s with sensitivities in the approximately -30 dbm range for 10-9 BER. Speed is limited by the transmitter FM response, and independent speed measurements indicate a detection bandwidth of at least 1.7 GHz.

Original languageEnglish (US)
Pages (from-to)890-892
Number of pages3
JournalElectronics Letters
Volume25
Issue number14
StatePublished - Jul 6 1989
Externally publishedYes

Fingerprint

DBR lasers
Frequency shift keying
Semiconductor quantum wells
Transmitters
Light amplifiers
Discriminators
Photodetectors
Bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Tunable multiple-quantum-well distributed-Bragg-reflector lasers as tunable narrowband receivers. / Koch, Thomas L; Choa, F. S.; Heismann, F.; Koren, U.

In: Electronics Letters, Vol. 25, No. 14, 06.07.1989, p. 890-892.

Research output: Contribution to journalArticle

Koch, Thomas L ; Choa, F. S. ; Heismann, F. ; Koren, U. / Tunable multiple-quantum-well distributed-Bragg-reflector lasers as tunable narrowband receivers. In: Electronics Letters. 1989 ; Vol. 25, No. 14. pp. 890-892.
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