1996
DOI: 10.1109/50.511599
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Design and realization of polarization independent phased array wavelength demultiplexers using different array orders for TE and TM

Abstract: Abstract-A method for designing polarization independent phased-array wavelength demultiplexers, using different array orders for TE and TM, is described and analyzed with respect to fabrication variations. Flattening of the wavelength response is shown to improve fabrication tolerances. A four channel phased-array wavelength demultiplexer with at least 0.2 nm of polarization independent flattened response for each channel (spacing 1 nm) bas been made with an insertion loss of 1.5-3 dB and a crosstalk of -17 t… Show more

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Cited by 39 publications
(15 citation statements)
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“…In [8], the principle of a simple grating device is shown allowing wavelength multiplexing and demultiplexing. Progress for integrated wavelength demultiplexers based on waveguide arrays was announced recently for example in [19] and [21]. Moreover, there is no signal splitting amongst multiple links and therefore the power degradation is less than in the case of passive broadcast star couplers.…”
Section: Network Architecturementioning
confidence: 99%
“…In [8], the principle of a simple grating device is shown allowing wavelength multiplexing and demultiplexing. Progress for integrated wavelength demultiplexers based on waveguide arrays was announced recently for example in [19] and [21]. Moreover, there is no signal splitting amongst multiple links and therefore the power degradation is less than in the case of passive broadcast star couplers.…”
Section: Network Architecturementioning
confidence: 99%
“…Spiekman et al 1996). Nowadays, polarization effects are largely understood and compensated for in AWG design (Okamoto 2006), and in the case of multimode devices are likely to be negligible (McMullin et al 2002).…”
Section: Remaining Issuesmentioning
confidence: 99%
“…Although polarization dependence is minimized in conventional AWG [41], in the IC-AWG is engineered for the device to act as a polarization diversity component. Through Eq.…”
Section: Modeling Polarization Dependencementioning
confidence: 99%
“…The distance between TE and TM polarization focusing points, at a given ν, depends on the spacing, length and effective index of the AWs and length of the FPR. The frequency shift corresponding to the aforementioned distances, which in the literature is known as Polarization Dependent Wavelength Shift (PDWS) [41], is given by:…”
Section: Modeling Polarization Dependencementioning
confidence: 99%
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