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Relationship between carrier-induced index change and feedback noise in diode lasers

Journal Article · · IEEE Trans. Microwave Theory Tech.; (United States)

An improved theoretical analysis of single-mode diode laser dynamics reveals that feedback-induced intensity pulsations and frequency modulation are consequences of the carrier-dependent modal refractive index of the laser cavity. A stability criterion based on injection-locking theory indicates that gain-guided diode lasers are more likely to exhibit feedback-induced pulsations than are index-guided devices. Numerical simulation of feedback-induced noise is shown to be in excellent agreement with previously reported experimental data.

Research Organization:
GTE Lab., Waltham, MA
OSTI ID:
5990438
Journal Information:
IEEE Trans. Microwave Theory Tech.; (United States), Journal Name: IEEE Trans. Microwave Theory Tech.; (United States) Vol. MTT-30:10; ISSN IETMA
Country of Publication:
United States
Language:
English

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