Journal ArticleDOI
Very-high-speed back-illuminated InGaAs/InP PIN punch-through photodiodes
TLDR
In this article, a longwavelength back-illuminated PIN photodiodes capable of detecting optical signals at multigigabit modulation rates have been fabricated and tested in a stripline circuit.Abstract:
Long-wavelength back-illuminated PIN photodiodes capable of detecting optical signals at multigigabit modulation rates have been fabricated and tested in a stripline circuit. A transit-time-limited response time of about 30 ps has been realised in a 25 μm-diameter diode.read more
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Journal ArticleDOI
Subcarrier multiplexing for multiple-access lightwave networks
TL;DR: In this article, the applicability of subcarrier multiplexing to light-wave multiple-access networks is discussed. But the authors focus on the application of sub-carrier MIMO to lightwave multiple access networks.
Journal ArticleDOI
Ultrafast All-Optical Synchronous Multiple Access Fiber Networks
TL;DR: Two synchronous multiple access schemes, TDMA and CDMA, are proposed for fiber optic networks using optical signal processing, using a central modelocked laser which also serves as the source for each station.
Journal ArticleDOI
High-frequency characteristics of directly modulated InGaAsP ridge waveguide and buried heterostructure lasers
Rodney S. Tucker,Ivan P. Kaminow +1 more
TL;DR: In this paper, the high-frequency modulation characteristics of InGaAsP ridge waveguide and etched mesa buried heterostructure (EMBH) laser at 1.55 μm and 1.3 μm are investigated.
Journal ArticleDOI
Modulation induced transient chirping in single frequency lasers
TL;DR: In this article, the authors show that wavelength excursions with magnitudes as large as 6 A are seen to occur in single frequency lasers (both C3and DFB) during a transition from one power level to another.
Journal ArticleDOI
Spontaneous Brillouin scattering for single-mode optical-fibre characterisation
TL;DR: In this paper, spontaneous backward Brillouin scattering is demonstrated to be a sensitive probe of fibre characteristics using a heterodyne detection technique and relative differences in GeO2 concentration from fibre to fibre as small as 0.01% can be detected.