115 results on '"Yamada M."'
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2. Three‐ to five‐signal LP‐mode amplification characteristics of ring‐core erbium‐doped fibre
3. Two‐dimensional encryption system for secure free‐space optical communication of time‐series data streams
4. E‐band thulium doped fibre amplifier
5. Improvement of differential modal gain in few‐mode fibre amplifier by employing ring‐core erbium‐doped fibre
6. 1.8 μm broadband light source using super luminescent diode
7. Inter‐core crosstalk measurement in multi‐core fibre amplifier using multiple intensity tones
8. Tm 3+ –Tb 3+ ‐doped tunable fibre ring laser for 1700 nm wavelength region
9. Amplification method for crosstalk reduction in multi‐core fibre amplifier
10. Light scattering characteristics of hole formed by fibre fuse
11. Broadband ASE light source for 1800 nm wavelength region
12. L-band Er3+-doped fluorophosphate glass-fibre amplifier
13. High-gain hybrid amplifier consisting of cascaded fluoride-based TDFA and silica-based EDFA in 1458–1540 nm wavelength region
14. S-band erbium-doped silica fibre amplifier with flattened-gain of over 21 dB
15. Continuous-wave operation of 1.30 [micro sign]m GaAsSb/GaAs VCSELs
16. Room temperature low-threshold CW operation of 1.23 [micro sign]m GaAsSb VCSELs on GaAs substrates
17. Room-temperature pulsed operation of GaAsSb/GaAs vertical-cavity surface-emitting lasers
18. Comparison of amplification characteristics of 1.58 and 1.55 [micro sign]m band EDFAs
19. Signal output characteristics of 1.58 [micro sign]m band gain-flattened Er3+-doped fibre amplifiers for WDM systems
20. Low-noise, broadband Er3+-doped silica fibre amplifiers
21. 1470 nm band wavelength division multiplexing transmission
22. Low noise broadband tellurite-based Er3+-doped fibre amplifiers
23. Gain-flattened broadband Er3+-doped silica fibre amplifier with low noise characteristics
24. Broadband and gain-flattened Er3+-doped tellurite fibre amplifier constructed using a gain equaliser
25. GaAsSb: A novel material for 1.3 [micro sign]m VCSELs
26. Wide wavelength band (1535–1560 nm and 1574–1600 nm), 28 × 10 Gbit/s WDM transmission over 320 km dispersion-shifted fibre
27. 1.58 [micro sign]m band fluoride-based Er3+-doped fibre amplifier for WDM transmission systems
28. Nearly transform-limited 1.4 [micro sign]m picosecond pulse generation by supercontinuum and pulse amplification in Tm-doped optical amplifier
29. Low-noise and high-gain 1.58 [micro sign]m band Er3+-doped fibre amplifiers with cascade configurations
30. Gain efficiency of PbF2/InF3-based praseodymium-doped fluoride optical fibres for 1.3 [micro sign]m optical fibre amplifiers
31. 1.3 [micro sign]m InAsP/InAlGaAs MQW lasers for high-temperature operation
32. Broadband and gain-flattened amplifier composed of a 1.55 [micro sign]m-band and a 1.58 [micro sign]m-band Er3+-doped fibre amplifier in a parallel configuration
33. Wide-bandwidth, high sensitivity, optically pre-amplified receiver for 1580 nm band 10 Gbit/s WDM signals
34. Low-noise and gain-flattened fluoride-based Er3+-doped fibre amplifier pumped by 0.97 [micro sign]m laser diode
35. 1.58 [micro sign]m band Er3+-doped fibre amplifier pumped in the 0.98 and 1.48 [micro sign]m bands
36. 1 Tbit/s (100 Gbit/s × 10 channel) OTDM/WDM transmission using a single supercontinuum WDM source
37. 2D alignment free VCSEL-array module with push/pull fibre connector
38. 100 Gbit/s × 4 ch, 100 km repeaterless TDM-WDM transmission using a single supercontinuum source
39. Er3+-doped fluorophosphate glass fibre amplifier for WDM systems
40. Low noise characteristics of an AM-VSB video signal transmission using a PDFA pumped by InGaAs semiconductor lasers through fibre Bragg gratings
41. 10 Gbit/s × 10 channel transmission experiment over 600 km with 100 km repeater spacing employing cascaded fluoride-based erbium doped fibre amplifiers
42. Low-noise Pr3+-doped fluoride fibre amplifier
43. Modulation characteristics of high-speed optical modulators with properly split asymmetry into their Mach-Zehnder arms
44. Improved performance of subcarrier multiplexed multichannel AM-VSB video signal transmission using Pr3+-doped fluoride fibre amplifier
45. Flattening the gain spectrum of an erbium-doped fibre amplifier by connecting an Er3+-doped SiO2-Al2O3 fibre and an Er3+-doped multicomponent fibre
46. Micrometre-resolution, optical imaging of objects through highly scattering media using a heterodyne detector array
47. 670 nm semiconductor laser diode pumped erbium-doped fibre amplifiers
48. One-LD-pumped Pr3+-doped fluoride fibre amplifier module with signal gain of 23 dB
49. Ultrahigh-sensitivity low coherence otdr using Er1+-doped high-power superfluorescent fibre source
50. Direct dispersion measurement of highly -erbium -doped optical amplifiers using a low coherence reflectometer coupled with dispersive Fourier spectroscopy
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