Characteristics of mode-hopping noise and its suppression with the help of electric negative feedback in semiconductor lasers
M Yamada, N Nakaya, M Funaki - IEEE journal of quantum …, 1987 - ieeexplore.ieee.org
Some detailed properties of mode-hopping noise in semiconductor injection lasers are
reported, and the validity of electric negative feedback as a method of suppressing the noise …
reported, and the validity of electric negative feedback as a method of suppressing the noise …
Resolution control of low-coherence optical time-domain reflectometer between 14 and 290 mu m
K Takada, A Himeno… - IEEE Photonics technology …, 1991 - ieeexplore.ieee.org
A low-coherence OTDR that can control spatial resolution is demonstrated through the use
of a new light source consisting of a superluminescent diode (SLD), an AR-coated LD …
of a new light source consisting of a superluminescent diode (SLD), an AR-coated LD …
Extremely low-noise facet-reflectivity-controlled InGaAsP distributed-feedback lasers
M Yano, Y Kotaki, H Ishikawa… - Journal of lightwave …, 1986 - ieeexplore.ieee.org
Extremely low-noise (relative intensity noise (RIN)<-160 dB/Hz) was attained with the facet-
reflectivity-controlled 1.3-μm wavelength InGaAsP buried-heterostructure distributed …
reflectivity-controlled 1.3-μm wavelength InGaAsP buried-heterostructure distributed …
Resolution controllable optical time domain reflectometry based on low coherence interference
K Takada, A Himeno… - Journal of lightwave …, 1991 - ieeexplore.ieee.org
A low-coherence optical time domain reflectometer (OTDR) that can control spatial
resolution is proposed to efficiently diagnose waveguides. This is achieved using a light …
resolution is proposed to efficiently diagnose waveguides. This is achieved using a light …
Broadband laser diode emitting at 1.28 μm wavelength
K Takada, J Noda - Applied physics letters, 1985 - pubs.aip.org
This letter presents a broadband laser diode (LD) emitting at the 1.28 μm wavelength
fabricated by introducing an absorption region (300 μm long) into a conventional 600‐μm …
fabricated by introducing an absorption region (300 μm long) into a conventional 600‐μm …
Noise in Interferometers Including Modal Noise and Distortions
K Petermann, K Petermann - Laser Diode Modulation and Noise, 1988 - Springer
If laser light is fed through an interferometer, as sketched in Fig. 8.1, the power transmission
from the input to the output depends on the actual optical frequency v. If a laser exhibits …
from the input to the output depends on the actual optical frequency v. If a laser exhibits …